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On-farm Anaerobic Digestion Biogas Production in Pennsylvania - 30 Years On-farm Anaerobic Digestion Biogas Production in Pennsylvania - 30 Years - Articles
The recent resurgence of digesters in early 2000 have been installed mainly for electrical power production but also brings the added benefits of manure odor reduction and pathogen destruction. More
Agricultural Anaerobic Digesters: Design and Operation Agricultural Anaerobic Digesters: Design and Operation - Articles
Renewed attention is now being directed to biogas generation as a source of fuel in the U.S.A. More
Considerations for an Anaerobic Digester for your farm Considerations for an Anaerobic Digester for your farm - Articles
If you are considering an anaerobic digester for your farm, you should ask yourself these questions. More
Sustainability in America - Waste To Energy
Sustainability in America - Waste To Energy - Articles Articles
There are many untapped potential waste streams in our state that are valuable resources for energy. More
Figure 1. Current Waste Management in the United States
Resource Recovery: Turning Waste into Energy - Articles Articles
Resource recovery can reduce the amount of low density poyethelene (LDPE) in the waste stream and gain valuable energy. More
Plug Flow Digester Vessel
Plug Flow Digester Vessel - Articles Articles
A plug flow digester vessel is a long, narrow, insulated and heated tank made of reinforced concrete, steel or fiberglass with a gas tight cover to capture the biogas. More
Lease Your Farm's Energy Resources
Lease Your Farm's Energy Resources - Articles Articles

Lease Your Farm's Energy Resources

Daniel Ciolkosz, P.E.

Don't be too quick to sign away your potentially valuable resource. If the deal sounds too good to be true, it probably is. More
Farm-Based Anaerobic Digestion Practices in the United States Farm-Based Anaerobic Digestion Practices in the United States - Articles
Although some effort has focused on the AD of caged layer poultry manures, the manures from dairy and swine operations tend to be more suitable for farm-based energy conversion. More
Digester Terminology, Abbreviations and Units Digester Terminology, Abbreviations and Units - Articles
Commonly used terminology, abbreviations, and units that you may encounter when utilizing biogas and/or anaerobic digestion. More
Earlier Anaerobic Digesters for Biogas Production Earlier Anaerobic Digesters for Biogas Production - Articles
Combustible methane gas produced from anaerobic digestion of biological material, was recognized by Von Helmont in 1630, Shirley in 1667, Volta in 1776, Priestly in 1790, and Dalton in 1804. More
Covered Lagoon
Covered Lagoon - Articles Articles
A covered lagoon digester is a large anaerobic lagoon (not a manure storage pond or basin) with a long retention time and a high dilution factor. More
Considering an Anaerobic Digester? Steps to Take and Contacts to Make Considering an Anaerobic Digester? Steps to Take and Contacts to Make - Articles
Anaerobic digestion of animal manure results in biogas and a liquefied, low-odor effluent (processed manure). More
Complete Mix
Complete Mix - Articles Articles
Complete mixed digester vessels are insulated and maintained at a constant elevated temperature, in the mesophilic or thermophilic range. More
Common Digester Misconceptions Common Digester Misconceptions - Articles
An anaerobic digester does not make manure disappear! More
Centralized Digesters Centralized Digesters - Articles
There are a variety of manures and other types of organic materials that can be successfully used in agricultural anaerobic digesters to control odor and produce biogas. More
Figure 1. The flow of non-fuel energy in animal production operations. Arrows denote a transfer of energy.
Biological Manipulation of Manure: Getting What You Want from Animal Manure - Articles Articles
The use of manure energy by microorganisms—microbial activity—is a natural process of decomposition. More
Biogas Safety
Biogas Safety - Articles Articles
Anaerobic digestion systems and associated manure storage and handling, present many safety hazards. More
Biogas from Manure
Biogas from Manure - Articles Articles
An anaerobic digester will partially convert manure to energy in the form of biogas which contains methane. More
Figure 1. A common generator setup for Pennsylvania Farms.
Biogas Digesters - Engine Lubricating Oil - Articles Articles
Proper care and maintenance of the generator engine will ensure many years of trouble free use. More
Basics of Anaerobic Digestion Basics of Anaerobic Digestion - Articles
An anaerobic digester is an air tight, oxygen-free container that is fed an organic material, such as animal manure or food scraps. More
Anaerobic Digestion: Biogas Production and Odor Reduction Anaerobic Digestion: Biogas Production and Odor Reduction - Articles
Controlled anaerobic, or oxygen-free, digestion of animal manure is a way to treat manure to prevent foul odor production while generating a usable energy product. More
Anaerobic Digestion for Odor Control Anaerobic Digestion for Odor Control - Articles
Renewed interest in anaerobic digestion as more non-farm residents move into rural areas, odor complaints are increasing. More
Waste Plastics as Fuel
Waste Plastics as Fuel - Articles Articles

Waste Plastics as Fuel

Daniel Ciolkosz, P.E.

Now is a good time to recover heat energy from dirty and nonrecycled plastics. More