In the blower timing section above you show a photo of a digital temperature (and moisture?) Our designs focus on optimizing process control, which thereby: Worms and dirt go hand in hand, or slimy long body in hand. The blower provides direct control of the process and allows larger piles. First, the blower sends air through the manifold. If youve recently built a compost heap and youve seen clouds of white droplets rolling off it, you might be panicking, and wondering whether youve done something wrong, or if this is dangerous. The distance of the fan allows the hot vapor to cool and become liquid, while the tee is effective in trapping the moisture before it can pool in the fan. It may be in windrows, open or covered, or in closed containers. If the pressurized columns of air escaping the perforated manifold piping were to come into contact with the active material, you would risk drying out several different pockets of your composting material. Full-Time. All aeration components in contact with the composts corrosive exhaust air-stream are made from stainless steel or polymeric materials. We are seeking a candidate with experience managing all aspects of composting operations including daily processing of material . It is easily scalable in both size and technology ( Table 6.1 ). Your email address will not be published. Aerated static pile composting is an effective method to accelerate and manage the composting process with much lower risk of foul odors. The ASP concept is simple: Place perforated pipes on the ground that are connected to a blower to push (positive) or pull (negative) air through the compost. A biofiltration, or bio layer is a simple covering of mulch or finished compost surrounding the active core which protects the pile from heat loss and pests. Hi Dan, Sorry for the late response. First, youll need to decide on the type of composting that will work for you. A 15-inch squirrel-cage blower was used to force the air through 10 static piles of compost, one at a time, for 15 minute periods twice a day. Well see! The Aerated Static Pile (ASP) is the simplest and least cost approach to composting large volumes of organic waste materials. Aerated Static Piles (ASP) are a simple and efficient way to compost challenging feedstocks like food waste, biosolids and manures. It can take a year or more, it stinks, and it increases the risk of producing bacteria. And what volume of compost thats good for. Tarp systems can be used during wet weather to prevent saturation or to limit vector access to the compost. This includes all manner of organic waste and food waste that is high in nitrogen. Salinas Valley Solid Waste Authority Case Study, 5350 McDonald Avenue NE Bainbridge Island, WA 98110. Motorized dampers control airflow and direction to each pile. I am not and likely never will be a large-scale vermicomposter. Lasaridi, E.I. The systems of aeration control currently available for "Aerated Static Pile" composting are reviewed. In the end, they bring the beneficial microorganisms and the stability to the compost best regards, david. The pipes can be installed in channels, on top of a floor, or included throughout the pile during buildup. Adolescent humor alert: For those of you who are familiar with dutch ovens, the bio layer is the sheet that traps the heat and odor. Great article. Costs. SGS use of proprietary remote oxygen and temperature control system technology makes for the most cost-efficient processing. (May, 2008). Aerated static pile (ASP) composting refers to any of a number of systems used to biodegrade organic material without physical manipulation during primary composting. It can be a pretty concerning sight, especially with a large, Introduction Temperature matters a surprising amount when it comes to getting your compost heap operating efficiently, but a lot of people arent sure how hot is too hot, or whether their heap still breaks down when its cold. The active layer is comprised of whatever material youre planning to compost, whether its high-nitrogen food waste, manures, or other organic waste. Once our team has received your request, we will start working on your custom composting solution. I wondered if you knew what the airflow is for your blower. For anyone who is operating at the community composter level and below, this blower/timer combo is likely to be sufficient. Hey Robert! Air is circulated through the compost with either positive or negative air pressure, speeding up compost time by balancing the oxygen and moisture needs of the mixture. As this horse stall measures 12 x 14ft, I had to decide how I wanted to divide the space. The aeration grid is usually made of 100- to 150-mm (4- to 6-in.) In my case, there is a single manifold splitting into 3 underground manifolds, each of which can be opened or closed with a shutoff valve. It is best to buy the pipes with holes instead of wasting the time drilling holes yourself. 1. Or the bag in a bag system. 122K subscribers Static aerated composting (aka an aerated static compost pile or ASP) is a system by which the composter does not need to turn the compost, but rather uses pipes. Aerated static pile (ASP) composting, using negative aeration and simple timer motor controls, was developed by the U.S. Department of Agriculture's Beltsville Agricultural Research Center in the 1970s in support of exploring the beneficial uses of sewage sludge. Aerated static pile (ASP) composting refers to any of a number of systems used to biodegrade organic material without physical manipulation during primary composting.The blended admixture is usually placed on perforated piping, providing air circulation for controlled aeration.It may be in windrows, open or covered, or in closed containers.With regard to complexity and cost, aerated systems . Tumbler composters are another way to achieve this. Resources to learn about PFAS an their impact on compost. Various composting types, including windrow system (Chaher et al., 2021), forced aeration composting, aerated static pile (Michel et al., 2022) and in-vessel composting (Pottipati et al., 2022 . These operations tend to be larger and more advanced. Learn more below, or contact us to schedule a visit and 'smell the difference'. On a small scale, whatever floats your boat, I guess. However, aerated static pile composting requires MSW Collection Transfer Transport Treatment Steve, Your email address will not be published. At Barr-Tech, we employ Engineered Compost System's (ECS) aerated static pile (asp) composting system. that is just one reason. I was composting turning my bins every week but due to work commitments I was unable to turn them and the bins would become anaerobic. I visited this facility in early 2019.and wow! That was a very informative article Steve ! The pile is covered with a geo-textile fabric which is impermeable to water. ASP piles generally stay in place for about 14 to 28 days until temperatures drop or their moisture levels become so low as to limit effective composting. Perhaps utilizing a (raised bed) hoop house setup thats sturdy but removable? Once you understand what each part of the system does, its operation is quite intuitive. The selection of above grade versus below grade piping has long term impacts on operational efficiency as well as near term capital costs. In large-scale systems, forced aeration is accompanied with a computerized monitoring system responsible for controlling the rate and schedule of air delivery to the composting mass, although meters and manual monitoring techniques may also be used in smaller scale operations. He is simply a joy to work with. And I can tell youre passionate for the worms. Do you mix the grain and woodchips together or layer the two? This type of biodegradation system utilizes perforated piping to allow controlled aeration. The aerated static pile method takes the piped aeration system a step further, using a blower to supply air to the composting materials. GMT offers two blower control systems that automatically regulate the aeration system using temperature feedback. Pre-composting kills pathogens, releases heat, and reduces volume like normal composting. We also work to provide operator training and the automated tools to monitor key performance indicators. This happened about 7 days into the thermophilic heating period which ought to last 21 days or so. Aerated static pile composting does not require turning, so it is not as physically demanding as traditional composting for individuals. Compost Tea Brewers, Sprayers, Organic Land Care Supply, Compostwerks . No need for physical labor makes it a good option for large operations such as farms. Hi, Thanks for great article. The probe is meant more to be an air probe although temperature is temperature and it works just fine for us. Yet I just built my own ASP. The aeration system uses fans to push and/or pull air through the composting mass. Our dedication to continuous improvement has led to ASP designs that simplify construction, provide uniform distribution of air, are uniquely effective at controlling leachate, facilitate maintenance, simplify operations, and will run reliably for decades. HOW DO YOU DESIGN AN ASP SYSTEM? Windrow Aerated static pile Rotary drum compost-ing Substrates Waste was chosen for Preferable for more ho- All sorts of waste, but those with reduced mogeneous and con- suitable for readily de-odor emissions, such as sistent waste, and the graded waste . With regard to complexity and cost, aerated . Buying one of those fancy long standing beds on legs, which to be honest, is unnecessary. What is aerated static pile composting, you may ask. Aerated static pile The ASP method is a versatile approach to composting. This is counter-intuitive, but excessively dry compost will become hydrophobic and will not absorb water. Posted: over a month ago. This method is used in countries with a lot of rainfall, where it is difficult to get an aerobic compost pile going. Participants will learn more about the composting, construction, demolition, and inert recycling process . Also if I decide to compost cow or horse manure at what point would it be okay for my worm bin? In my case, because my system is indoors, I have an exhaust fan with adjustable speed and was finding that I was likely drawing too much heat away from my ASPs so I slowed down the fan speed and saw a temperature increase within 6-12 hours. Cost is one of the main factors in determining the type of compost system that is right for you or whether you want to begin composting in the first place. Its not *that* loud, but could be loud enough to cause trouble if your neighbors windows are open. Very cool. Aerated static pile composting of municipal solid waste (MSW): a comparsion of positive pressure aeration with hybrid positive and negative aeration - A.A. Sesay, K.E. The parts of course have value, but being able to get in touch with the expert is also very valuable! Skip to content. To aerate the pile, layers of loosely piled bulking agents such as wood chips, shredded newspaper are added so that air can pass from the bottom to the top of the pile. Aerated Static Pile or ASP systems have been the standard for providing aeration to active compost piles for over 40 years. The CompDACS controller for PC interfaces and the WebMACS system for browser access from any web enabled device. It also reduces the escape of any foul odors that may emanate in the crucial first few days of the composting cycle. Should I keep the pile of manure at 150 degrees or so for about three days then feed it to my worms? Aerated Static Pile or ASP systems have been the standard for providing aeration to active compost piles for over 40 years. / 206.319.7102 Cheers! But if managing large amounts of waste is the goal and it sounds like its not for you then either traditional or ASP composting has to be part of the equation. I like and understand the minimalist approach to worm composting. Thankfully, we have been monitoring temperatures daily and were able to detect the collapse in temperature and add more water quickly. Worms create their own energy out of the food you provide them. With regard to complexity and cost, aerated systems are most commonly used by larger, professionally managed composting facilities, although the technique may range from very small, simple systems to very large, capital intensive, industrial installations.[1]. I would enjoy a conversation with you. What are the disadvantages of compost manure? Let me know if you can All the best, Niels Corfield, This is a very complicated question because youve got to deal with pressure, length of travel, the number of turns in the pipe which create friction, blower timing, etc. Steve. If youve got a large project in mind and a large budget then Green Mountain may be for you! So at the very least,learningabout composting was an imperative. I started a single bin with a 6 minutes on, 60 minutes off schedule, which was way too long to run the blower. Aerated Static Pile (ASP) composting, refers to any of a number of systems used to biodegrade organic material without physical manipulation during primary composting. i am with steve on this, Hi Steve, I have done a similar set up because of grass seeds going through the worm bins. Way beyond my ability though! Aerated static pile composting allows for all types of organic waste to be mixed together into one large pile. Because I live in suburban Philadelphia in Zone 7A, producing consistent output in the winter was going to be difficult. Like any pet, it can take some getting used to how to properly care for them. Also, do you find that you need to add additional ingredients/supplements to improve the compost quality? Especially poo from herbivores that then becomes worm poo. I adjusted it to 3 minutes on, 30 minutes off before actually re-reading O2s instructions which suggest 30seconds on, 30 minutes off. The raw materials consisted of agricultural wastes and animal manure in the ratio of 3:1 by volume. Damper position is automatically set by the control system. Covered and Aerated Compost Systems Covering compost piles with breathable fabrics can help reduce water needs during hot, dry weather, and may help avoid soggy, anaerobic piles during periods of heavy rain. WA CC GREENMT852CS Just because a hamburger can be made in 5 minutes doesnt mean its the best hamburger you can get. The compost in each subdivision is finished in 8-10 weeks including curing and finishing time. This is a tricky problem. In aerated static pile composting, organic waste mixed in a large pile. At the heart of Western Composting Technology (WCT) is the Geelong-based Dickens family . The blower provides direct control of the process and allows larger piles. When Should I Stop Adding To My Compost Heap? While the Micro-Bin is a one-bin system, Peter assured me that the blower would be sufficient to operate a 3-bin system, even if two bins were being aerated simultaneously by the blower. The blended admixture is usually placed on perforated piping, providing air circulation for controlled aeration. The barn is already built into the side of a hill, so we already have some geothermal effect going on. A large-scale operation with a multi-pile system can cost upwards of $100,000. Introduction If you are composting food waste and garden waste, you are probably wondering how you ensure that nothing dangerous survives the composting process. So I opted to enclose my bins and rig up flexible dryer ducting to a PVC manifold which uses a sweet little 4-in inline ducted fan made by Cloudline in order to extract the heat and moisture generated by my system and push it outdoors. It does not log any information though. However, my 1/4 HP blower is enough to run 3 ASPs simultaneously, granted with different airflow than if I were only running one ASP. The air passes through the plenum layer, diffusing it to the entire pile. Advantages such as a means of . We want to learn more about your project goals. For around $200, you can purchase everything youd need to set up your own ASP composting system at home. The manifold is the piping that takes the air from your blower to the pile and will often have several points at which it branches for the purpose of feeding several bins. Compost feeds the soil. The bio layer traps heat and odors and protects the active core from birds, rodents, and other vectors. If I wanted to have a traditional small worm bin, I could spend another 40 bucks and drill holes in a plastic bucket and keep them inside. Compost materials are piled on top of ridged or flexible perforated pipes. ASP Seems like it could be an answer. This is usually done on a schedule such as 30 seconds of air on, then 30 minutes with the air off. 5350 McDonald Avenue NE Bainbridge Island, WA 98110 The intangible part of the deal is lifetime support from Peter. I recommend his system so please let him know I sent you! In the aerated static pile method of composting, the poultry litter pile is not turned, and temperatures above 50 C can be maintained for over 290 days (4). It may be in windrows, open or covered, or in closed containers. I have to say, it wouldnt surprise me if the ambient temperature were kept high enough in the barn due to the ASPs. These pipes provide controlled aeration and allow for a slow, natural decay process. O2Compost specializes in assisting owners of existing turned windrow operations to convert over to Aerated Static Pile Composting. Once it is in operation, your ASP compost will do its job without any effort from you. The ASP System is ideally suited for facilities that manage large volumes of livestock manure, yard debris, food scrap waste and other challenging feedstock materials. The composting materials are piled on a wood chip base with perforated PVC pipe running through the base and a 1 HP air pump which works for 1-2 minutes every hour. Table 6.1. Tough call. It can withstand hot compost piles and it has Bluetooth capability. Hey Rebekah, Glad to have you get this off your chest! Large composting operations use computerized systems to monitor the temperature of the compost and to manage the airflow to the compost materials. Materials produced can be used to Build Healthy Soils and a healthy ecological environment in a variety of ways. one thing it will do for me is safely treat pig poop, as i have a piggery. I had enough space for two large bins or three smaller ones. Aerated static pile composting is good for colder climates where you might not otherwise be able to do year-round outdoor composting. Aerated Static Pile Composting. More traditional windrow or static pile compost methods by comparison may stall in cold winter temperatures. ASP is an aerobic composting technique. ASP composting is particularly effective for farms where manure has a tendency to build up. The purchase also gets you lifetime customer support from Peter! Placing an ASP indoors came with challengesand we expected them! Types of Waste and Waste Generators: Aerated static piles are suitable for a relatively homogenous mix of organic waste and work well for larger quantity generators of yard trimmings and compostable municipal solid waste (e.g., food scraps, paper products), which might include local governments, landscapers, or farms. ASP composting still requires the Carbon-to-Nitrogen ratio (C:N) of conventional thermophilic composting, right around 25-30:1. Compared to traditional backyard composting, ASP composting is a little more expensive. ASP's are simple because they don't require turning and require less than half the area of turned windrows. I feed them all kinds of crap and collect leaves during the fall for their bedding, and disperse it over the year. Because of the decreased compost cycle time, an ASP can be a space-efficient way to compost large volumes of waste fairly quickly. I hate sending to land fill. Hi Steve, Im new to all this composting stuff but you mentioned to run the timer 30 seconds on and 30 mins off. It allows the operator to set aeration rates very low (anoxic conditions) if conserving moisture and fan power is the highest process-setting priority; or higher to reduce temperature and increase drying rates. The circulation of air helps get oxygen to the aerobic bacteria that break down waste while producing carbon dioxide, heat, water, and humus. Would like to see if you have info on the amount of airflow needed for a given volume of compost. ECS offers several different below and above grade aeration floors that distribute air through the biomass and are compatible with loading and unloading using front-end loaders. HOW DO YOU CONTROL THE PROCESS? I chose the 3-bin option and with the help and guidance of my employee Mark, a retired engineer, we dug the initial trenches for the underground manifolds and poured the footers for the ASP walls. Compost Covers Covered Aerated Static Pile Composting (CASP) Micropore compost covers are specifically designed for the aerated static pile (ASP) composting technology having the right porosity (7-12 cfm/yd 2 average) to closely match the oxygen demand characteristics of the organic feedstock material. The pile is covered with a fabric which is impermeable to water. Fill out one of the forms below to give us more information on your compost site. Aerated static pile composting uses airflow to reduce the time it takes to compost large amounts of waste and lessening unpleasant odors. See some of our cold weather deployments below, and contact us to learn more. Using blowers alongside temperature, moisture, and oxygen monitors to finely tune the composting process, positive CASP systems are ideal for all types of feedstock, including food waste, green waste, biosolids, and source separated organics. This would be better on a large scale, however, again, its not green. Thanks Steve! Steve. Now, you may have put a lot into your worms in the beginning. Aerated static piles require less maintenance than Windrow composting. Napa organics undergo an aerated static pile compost process. It is a good idea to feed the material afterwards to the worms. Composting and Energy Recovery. The design can be used for over 500 kg of organic waste, with minimal leachate, to produce a soil enhancer for agricultural fields, gardens, and/or forest land. In the context of vermicomposting, home vermicomposters do not need an aerated static pile in order to produce food for their worm bin. All ASP systems work exactly the same way. It is inherently simple but readily accommodates more sophisticated techniques when warranted. Composting is or at least should be an aerobic process. ASP piles are easily monitored and the process can be managed by adjusting the blower timing to meet the needs of the large-scale vermicomposter. This method is not efficient enough to compose animal byproducts or greases. The process uses a mix of organic materials placed on perforated piping. Aerated Compost, also known as Aerated Static Pile Composting, ASP Compost, and Forced Air Compost, is a form of hot composting which requires less maintenance. These systems are fixed rate, variable rate and automated rate of aeration control. A top resource for ASP plans, training, and equipment especially for the small operator is O2 Compost, in Snohomish, WA. Aerated static piles have been used for centuries by farmers to create compost for their crops. My cost was of course higher than that, but this was the O2 Compost part of it! Ambient temperatures and weather conditions influence windrow and aerated static pile composting. just to add my 2 bits worth. That is the control unit for the AC Infinity fan that I mention in the article. There is something that the worms leave in the process of processing the organic waste that makes it infinitely better for plants to grow. But it hasnt come without some lessons learned. In an ASP operated using negative pressure, the air itself is often pumped into a biolayer as seen in the graphic below. Ok thanks kevin m new jersey. Water savings from the aerated static pile system averaged around 20 percent, and the footprint needed for the ASP system is some 55 percent smaller than that required by windrows. This is the author's latest innovation, using a bouncy house fan connected to the manifold with an innertube to provide airflow under the compost pile. But if you have more questions than answers about composting, we can help. Horse manure takes a long time to decompose because it is usually mixed with bedding materials such as shavings, giving it a carbon-to-nitrogen ratio of around 75:1. Compared to my first efforts at other endeavors, this ASP has been an unmitigated success! The compost in each subdivision is finished in 8-10 weeks including curing and finishing time. Solutions focused on highly mature final compost. Step 4: Add greens and browns. Hi Steve, What materials do you compost in your ASP system? Its not very green; its actually costing more energy to process the compost. At this point, the pipes are pulled out by a loader and the compost is cured and screened for sale. In Thailand this system has been used by 470 farmer groups. One of the most economical, time-saving composting syles is aerated static pile composting. Also reduces or eliminates need for costly, high-energy consumption biofilter. Can you share any thoughts on this unit like what it is, if you are happy with it, does it log readings that are downloadable, etc. As an affiliate, we earn from qualifying purchases. Aerated static pile composting is a form of thermophilic composting accelerated and managed through the pushing (positive pressure) or pulling (negative pressure) of air through the composting pile. Its outside, hanging out on a raised garden bed. This energy is going to cause a boost in energy expenditure, not just in the materials to buy, but to run the thing. Read the full report PDF . The piles also can be placed over a network of pipes that deliver air into or draw air out of the pile. There are 3 main types of composting:Aerobic Aerobic composting uses air to facilitate composting. Aerated static pile composting produces compost relatively quickly (within three to six months). The systems of aeration control currently available for "Aerated Static Pile" composting are reviewed. A week after this modification, so far so good! And it can do it in colder climates that might not be as conducive to year-round composting. I met the author James McSweeney at a composting conference in New York City and I have to say I think hes the Rain Man of composting! a biofiltration layer, often comprised of mulch, compost, or even very expensive Gore covers. Automated page speed optimizations for fast site performance, compost with either positive or negative air pressure, speeding up compost time, Active layer The active layer is the compost, Compost begins aerobically composting within the active, This includes all manner of organic waste and food, composting operations use computerized systems to monitor the temperature. 4220 24th Avenue West ECS strives to understand our customers target markets and stability goals to help us develop correctly sized systems. However, they are easy to assemble and offer a hands-off option for individuals as well. Alternate between layers of greens and browns, ensuring your scraps are covered well by browns to not attract pests | Learn More > Step 5: Maintain your pile. Static pile composting is a number of systems to biodegrade organic material without physical manipulation during primary composting. Youve got two different types of pipes, pvc and metal, 2x4s, 4x4s, plywood, electrical gadgets, and of course the 895 in plans. For the average composter, this ASP system is highly unrealistic. For a multi-bin or pile system, you will need some fairly expensive on/off ball valves to prevent expending airflow on piles that dont need it at the time. Our systems feature dynamically controlled aeration with a wide range of air delivery rates required to keep oxygen and temperature at Best Measurement Practice levels throughout the pile. Manifold: a pipe or chamber that has several openings to allow air/liquids to pass through it is known as manifold. To prevent this, an air plenum layer, often a simple layer of wood chips, is laid atop the perforated manifold. Rigid or flexible perforated piping, connected to fans, delivers the air. New York State Regulations Composting operations in New York State are regulated by 6 NYCRR Part 361-3.2 in one of three ways: exempt, registered or permitted. I would run the system for at least 4-5 weeks *and* until the temperatures start trending downwards. Join our newsletter to hear periodic updates on compost science and our latest projects. All process air exhausts through an ECS-designed biofilter. I purchased $40 of mixed earthworms and red wigglers to throw into my new home for them. Air enters the mixture through a series of pipes and loosely piled bulking agents. Home; Services. It is designed to achieve regulatory compliance; offers operators a broad range of process options; and provides each pile/zone with independent and automatic control for achieving process goals. While we were on the right track in installing the inline fan, we made two mistakes: we installed the fan too close to the ASP and we did not have a way to catch the condensate that formed inside the exhaust manifold. Even if the odor werent an issue, nearby neighbors might not appreciate the hourly blowing of the fan. ECS CompTroller is an automated aeration control and monitoring system that is operating at all ECS compost installations. perforated plastic pipe laid inside a 0.3-m (1-ft) plenum of wood chips. Why Are Eggshells Microwaved Before Composting? Hi Ben, I paid $795 for the plans which came with the blower, the timer, some of the needed manifold parts, a really good booklet about ASP. ASP is a hot composting method that uses the purposeful movement of air through waste materials to make them compost rapidly, even in a small space. Sizing compost systems too big or too small can cripple a projects financial returns. The most common configuration is an Aerated Static Pile (ASP), followed by In-Vessel and Aerated Turned Pile (ATP) systems. In-vessel composting can also refer to aerated static pile composting with the addition of removable covers that enclose the piles, as with the system in extensive use by farmer groups in Thailand, supported by the National Science and Technology Development Agency there. I only get bigger and poop amounts increase. I have monitored and charted temperatures in my aerated bins on many occasions. Too much aeration over-cools the pile and slows the process down. Cheers! ECS aerated static pile composting come in positive, negative, and reversing aeration systems; bunker-wall, mass-bed, and in-vessel configurations; and are sized and equipped to best fit your site, feed stocks, and economics. Solution forced air into the bins. In recent years, smaller scale in-vessel composting has been advanced. Then again, Im going to stand up for worms. Thanks for the advice I will put put it to good use. Yes, we are definitely going to tinker with that very idea. Steve, looking at your setup, I would say your startup for that is a lot more. This article outlines how to optimize your investment. However I live in an urban area (houses are touching each other) and was concerned about the noise generated by the blower, especially at night. sales@compostingtechnology.com, TEXT Green Mountain Technologies. -minimizes the footprint and associated costs The compost in each subdivision is finished in 8-10 weeks including curing and finishing time. Stentiford, 1998 There was no process advantage found for passively aerated static piles over static piles but costs of passive aeration for pipes and labor were higher than for static piles. We develop large compost facility projects including in-floor aeration, Turned Aerated Piles TAP, Aerated Static Piles ASP, and in . The composting materials are piled on a wood chip base with perforated PVC pipe running through the base and a 1 HP air pump which works for 1-2 minutes every hour. ECS is committed to helping our customers maximize composting stabilization while minimize capital cost. Ive been thinking a small ASP may be a starting point for a community-based precomposting for VC feedstock (much like yours but for food scraps). GMT has over 20 years of experience designing ASP controls and aeration systems and is available to help you build a successful ASP system. Many, but not all, cover systems include some form of forced aeration, using pumps to push or pull air through the pile core. Natural aeration occurs when air warmed by the composting process rises through the pile bringing in fresh air from the surroundings. Some aerated static pile composting systems operate on negative pressure, meaning air is sucked through the system. Vermicomposting This method uses worms to degrade materials. If youre interested in a mid-scale composting project or want to start a small composting business, then this book needs to be on your bookshelf! Aerated Static Pile (ASP for short) is a means of composting naturally occurring materials rapidly by introducing air flow to the compost pile. I was likely drying out the compost with excessive airflow. Composting is a great way to help the environment and produce richly fertilized soil. Green Mountain designed the 27th Ave Composting Facility in Phoenix. Great article. Seattle, Washington 98199. gauge. Required fields are marked *, Aerated Static Pile Composting: An Introduction to ASP. Aerated static pile composting is a type of composting that uses a machine to aerate the pile and keep it turning. All Rights Reserved. How long would I run the system like this for? This book has been an incredible resource for learning more about aerated static pile composting. The wood chips facilitate even distribution of air during composting and absorb moisture that may condense and drain from the pile. The aerated static pile is the simplest and most cost effective approach to composting large volumes of organic waste materials and providing the requisite environmental controls for . The major difference between the technologies is the amount of energy and labor required. No turning or agitation of the materials occurs once the pile is formed. i have and waste lots of pig poop. You can rely on ECSaerated static pile (ASP) compost systems to be an efficient tool to control odors and make great compost. There is envirwag that is doing a turning system in a cement mixer that I just discovered. ASP is a hot composting method that uses the purposeful movement of air through waste materials to make them compost rapidly, even in a small space. Steve. Here are some examples where we have helped deliver systems within customer defined budgets. But because I have had a few clients come visit Urban Worm HQ, I want to showcase what an ASP can do in terms of waste management. And the air typically delivered by perforated pipe or pipes at the bottom of the pile keeps the pile oxygenated which expedites the normal composting process. As of the date of this writing, this method of extracting humid air seems to be working well. Static pile systems require less energy but more time than windrow turned systems. Our waste treatment technologies include in-vessel (tunnel), windrow and aerated static pile composting, and anaerobic digestion (wet and dry). The CompTroller is remotely accessible via the web and is flexible, robust, and keeps your data safe. 800.610.7291 To aerate the pile, layers of loosely piled bulking agents (e.g., wood chips, shredded newspaper) are added so that air can pass from the bottom to the top of the pile. Temperature feedback is the best way to regulate an ASP system. sweet little 4-in inline ducted fan made by Cloudline, How to Measure Moisture Content in Compost and Vermicompost, Water Content of Fruits and Vegetables: Vermicomposting 101, Complete Guide to Continuous Flow Vermicomposting | Urban Worm Company, Vermicomposting: The Ultimate Guide for the Beginner and Beyond, 5 Good Reasons to Start a Commercial Worm Farm. WHAT FEEDSTOCKS COMPOST WELL WITH ASP? Just as a data point, could you share what the cost of the plans were from O2? Call or email us to get started. With that in mind, lets look at a compost temperature to kill pathogens ( Temp guide lines). After eagerly waiting for the aerated pile to cool down, we finally excavated it to an adjacent space for another round of heating before it can be screened . $80,000 to $100,000 Yearly. The manure solids are moved a static-pile composting bay where they will cure for 60 days. If were being honest, its not green, expensive, and impractical. 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