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Back to Basics: Effect of D/T Ratio on Agitator Power for Flow Controlled Applications

By Gregory T. Benz Introduction Many agitator applications, such as blending of miscible liquids or suspending slowly settling solids such as starch and grain slurries used in ethanol production, may be classified as flow-controlled applications. That is to say, the process result depends on creating a certain characteristic velocity, Vb, which is calculated on a […]

Water Management in Biomass Processing

By Lorenz Bauer Ph.D, Lee Enterprises Consulting “Water, water, everywhere, And all the boards did shrink; Water, water, everywhere, Nor any drop to drink.” Samuel Coleridge Managing the water in biomass processes like food production, fermentations, pyrolysis, and biodiesel production is critical to success.   There is an increasing appreciation of the value of clean water. The value of water is […]

The Expert Witness in Biofuels and Biochemicals Litigation

By Wayne Lee, CEO, Lee Enterprises Consulting. While oil prices remain relatively low, and the status of U.S. government incentives remains uncertain, the predictable downturn in biofuel and biochemical related industries brings with it increased participant discomfort. Those that have been in these “bioeconomy” industries for some time have seen their cyclical nature, but quite […]

Market Value pivoted Algae biomass productivity for oil to other high value products – is oil still on the horizon, somewhere?

By: Dr. Anju Krivov, Lee Enterprises Consulting, Inc. Neil DeGrasse Tyson’s vision of an algae oil machine fed with a bucketful of algae soup from a pond at one end spits out oil at the other – that must have amused the NOVA Science television viewers back in 2009 – sparking a thought provoking, super […]

Methanol and Bio-economy Thoughts for Now and Future

By Lorenz Bauer, Ph.D., Lee Enterprises Consulting. The methanol and bioeconomies are two of the buzz words of the last decade.  They had their origin in the “peak oil” scare and the predicted sky rocketing oil prices.  They were further boosted by environmental concerns about pollution and climate change.    Both economies are continuing to grow; […]

Analysis of the U.S. Biodiesel and Renewable Diesel Market by Genscape and Playmaker Strategies

by Susan Olson, Managing Director, Ag/Bio & Digital H2O & Larry Shafer, Principal, Playmaker Strategies There are a number of impactful events happening in the world of biodiesel and renewable diesel right now that influence the supply and demand balance, and thus, the commodity prices in 2017 and beyond. Two of these events are highlighted […]

Advanced Fermentation Agitation with Methanotrophs and Other Organisms

By Gregory T. Benz, Lee Enterprises Consulting Introduction Fermentation processes, both aerobic and anaerobic, have been successful on an industrial scale for quite a long time, producing a wide variety of products. In most of these processes, if any gas has been added, it has been either air or oxygen-enriched air. In the advanced bioeconomy, organisms […]

High Added Value Renewable Polymers

By:  Dr. Bernard Cooker,  Lee Enterprises Consulting Summary Biomass-based green polymer and monomer projects, as reported in Chemical and Engineering News and Chemical Engineering Progress in Q1, Q2 2017 are surveyed. The focus here is on combinations of low raw material cost, commercial scale operation and high added product value, to maximize the profit opportunity. Introduction […]

Make Lenders Love Your Construction Contracts

By Charles Loos, Lee Enterprises Consulting By the time a developer seeks non-recourse financing for a biomass project, the contracts for construction and major equipment procurement have usually been pre-negotiated and are on hold awaiting notice to proceed.    Prospective lenders then scour these contracts for defects, paying particular attention to inconsistencies between the various contracts.   Clean […]

Celebrating Canada’s 150th: A Short History of the Biofuel Industry in Canada

 By Dr. Gerald Kutney, Lee Enterprises Consulting The 150th anniversary of Confederation on July 1st is a time to reflect upon the country’s achievements; this article covers the evolution of the Canadian biofuel industry – including gaseous, liquid and solid biofuels, and biomass power – from 1867 to 2017. The foundations of the biofuel industry in […]