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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 […]

Biogas Expert

What is biogas?  Biogas is a renewable energy source that is produced by anaerobic digestion, where anaerobic organisms breakdown the organic materials, or by the fermentation of biodegradable materials. Biogas can refer to any of a wide range of gases produced from biological sources including municipal wastewater sludge, animal manures, agricultural wastes, food waste or […]

Biomass Pyrolysis Comes of Age

By Dr. Lorenz Bauer, Lee Enterprises Consulting After many years of development biomass pyrolysis is finally maturing as a commercial technology.  Pyrolysis is not incineration.  The goal is to use heat in the absence of oxygen to convert the biomass to a more useful form while preserving as much of the carbon as possible.  The water […]

The Industrial State of Biofuels Technologies

By Dr. Gerald Kutney, Lee Enterprises Consulting A myriad of biofuel technologies exist, but which ones are truly industrial processes? The question is not always easy to answer. And one must define what is meant by an industrial process. To facilitate this task, three classifications of industrial status are utilized: Established – modern facilities are numerous, […]

Creating Value from Landfill Gas

Landfills contain a toxic stew of biomass materials from old tires to food wastes to animal manure. It is literally the bottom of the rubbish barrel. The US EPA estimates that 250 million tons of municipal solid wastes are sent to landfills each year. These materials have a wide range of chemicals in them, including […]

A Short History of Biofuels

Introduction In the modern world, fuels are often equated with fossil fuels:  coal, oil and natural gas.  However, fossil fuels only came into their own during the 20th century.  From the time of the caveman until the early Industrial Revolution, biofuels – namely wood and the advanced biofuel of the day, charcoal – reigned supreme.  […]