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…
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Stage Gate Approach to Project Management
A stage gate approach (also known as a phase-gate or waterfall approach) is a common project management technique in which a project is divided into phases or stages that are separated by decision making points known…
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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…
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Burning Municipal Solid Waste (MSW)
Burning municipal solid waste (MSW) or garbage in waste-to-energy plants certainly results in less waste being buried in landfills. However, burning this garbage has the potential to produce air pollution and release chemicals into the…
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Algae Energy
Algae represent a potentially promising resource for energy and food production due to their high photosynthetic efficiency. An acre of land growing algae can produce 50 tons of biomass per acre compared to 1 to…
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Liquid Biofuels: Ethanol and Biodiesel
Liquid biofuels are transportation fuels including such fuels as ethanol, biodiesel, renewable diesel, and sustainable aviation fuels. The federal government promotes biofuels as transportation fuels to help reduce oil imports and CO2 emissions. In 2007,…
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Ash Disposal in Waste-to-Energy (WTE) Plants
Ash from waste-to-energy plants often contains high concentrations of the various metals that were present in the original waste, and ash disposal is critical. As an example, textile dyes, printing inks, and ceramics may contain…
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Gasification Consultant
Gasification is a process that involves heating biomass or other organic carbonaceous feedstocks to a temperature of > 700 ₒC without combusting the feedstock by starving the material of oxygen. A gasification consultant is an…
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Renewable Energy Consulting
All renewable energy has a degree of predictability and uncertainty, and the uncertainties are where renewable energy consulting firms can help. A renewable energy consulting firm has both knowledge and experience developing and/or producing one…
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Biofuels Plant
A biofuels plant is one that produces fuel from sugar and starch crops, fiber and grass cellulosic crops, oil crops, crop residues, manures, other organic wastes, and wood products. Biofuels are a class of renewable…
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