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Renewable Natural Gas Expert

What does a renewable natural gas expert or consultant do? Renewable natural gas (RNG) also called biomethane is produced from biogas derived from renewable resources or biomass materials.  The biogas is cleaned, scrubbed and treated to remove carbon dioxide, hydrogen sulfide, and other impurities to make it suitable as a natural gas replacement that can […]

Anaerobic Digestion Expert

What does an Anaerobic Digestion expert or Anaerobic Digestion consultant do?  First, let’s define Anaerobic Digestion.   Anaerobic Digestion refers to is a series of processes in the absence of oxygen in which bacteria convert organic materials to biogas, digestate and water. An Anaerobic Digestion expert or Anaerobic Digestion consultant is someone who has significant background […]

Agricultural Biogas Expert

Biogas experts often work with dairy farms and livestock operations that are interested in adding other technologies to produce renewable energy as a supplement to their current business.  In these operations, animal manure is collected, added to other organic materials and is processed through an anaerobic digester, with the resulting biogas being utilized to produce […]

1+1=3: Vastly Improve Biogas Production With Mixed Feedstocks in Anaerobic Digesters

By John D. Forcier, P.E. Anaerobic Digesters provide an excellent baseload renewable energy source. Cow manure has been digested in the cow’s four stomachs and domestic wastewater has been digested in the human digestive system. Therefore, those materials have limited remaining energy, but they still have excellent methane producing bacteria. However, by adding select external […]

Landfill Biogas Expert

What does a landfill biogas expert or consultant do?  Landfills are locations set specifically for disposal of residential, industrial, and commercial waste.  Landfills are a very large source methane emissions. Biogas from landfills is also called landfill gas (LFG), since the digestion process takes place in the ground rather than in an anaerobic digester. There […]

That Was Then. This is Now. The New Economics of Biogas Projects.

By Scott Warfield This is the seventh in a series of articles prepared by the experts at Lee Enterprises Consulting (LEC) who will be speaking at the ABLC 2018 conference in Washington DC, February 28 to March 2. With respect to Susan E. Hinton for the great title, the economics of anaerobic digester projects to […]

Case Study: 1 MW to 3 MW Anaerobic Digester Upgrade in Only 6 Months!

By John D. Forcier, P.E. This is the second in the 8-part series, State of the Advanced Bioeconomy 2018, prepared by experts at Lee Enterprises Consulting (LEC) who will be speaking at the ABLC 2018 conference in Washington DC, February 28 to March 2. Challenges Due to the project location in central Maine, there is a […]

Decentralized Organics to Energy with Containerized Anaerobic Digestion

By John Forcier, P.E., Lee Enterprises Consulting Most trash and recycled waste materials are being processed on a regional basis to maximize the economy of scale. There have been various attempts to gather and process organic waste materials utilizing similar methods, but the challenges are far from resolved. As we transition to the bans on organic […]

Power to Save Family Farms and the Environment With Anaerobic Digestion

Farm-based anaerobic digestion systems have adapted in various regions of the world. The “European Model” relies on cash crops and manures with very high incentives and feed-in-tariffs. The “U.S. Model” is based on mostly or all cow manure from large farms (800 to 2,500 cows, or more). The “North American Model” utilizes cow manure and […]