In gasification technology selection, a necessary initial step is to narrow the search down to a smaller subset of gasification technologies that best match the application and have achieved the necessary technology readiness level (TRL). …
Read More
Collection of Landfill Gas or Biogas
Biogas results from the metabolic activity of microorganisms on organic matter. It is created in the biological processes in sewage treatment plants, waste landfills, and livestock manure management systems. Landfill gas is a type of…
Read More
What Feedstock will Meet Renewable Diesel Demand?
This is a good article covering whether there is enough feedstock available to meet the increased renewable diesel demand. Pete Rocha, EVP at Lee Enterprises Consulting, shares this illuminating slide guide on how more feedstock…
Read More
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…
Read More
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…
Read More
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…
Read More
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…
Read More
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…
Read More
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,…
Read More
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…
Read More