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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 […]

Lignocellulosic Biomass Deconstruction

By Dr. Bernard Cooker, Lee Enterprises Consulting Cheap, plentiful lignocellulosic biomass (LCB), consisting of cellulose, hemicellulose and lignin, is deconstructed to release useful chemical intermediates in the bioeconomy. These include glucose from cellulose, glucose and other sugars from hemicellulose, and oxygenated benzene derivatives (OBTX) from lignin. Reviewed here are recent published developments of note in LCB […]

Sustainable Polyurethanes and the Bio Economy

Sustainability has become a key concern in polyurethane industry.   Reducing the environmental impact of polymers by replacing fossil derived carbon, using more environmental friendly processes and reducing and recycling the carbon used either directly or indirectly is a corporate goal of many producers. The use of biomass to produce value added chemicals for polymer synthesis […]

Ionic Liquids: A Key Enabler of Biomass Processing?

By Dr. Lorenz Bauer, Lee Enterprises Consulting Potential Of Ionic Liquids For Biomass Pretreatment The explosion of interest in using biomass to produce chemicals and fuels has motivated a renewed search for improved methods for pretreatment that enable efficient conversion of the raw materials.   The molecules in cellulosic materials, and particularly lignocellulosic material, are intertwined and […]

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, […]

An Overview of the current Biochar and Activated Carbon Markets

Biochar is an emerging market; growing rapidly, still in its infancy, but with gigaton market potential when we, as in humanity, start addressing the climate crisis. Activated carbons are a mature market of about one million tons annual production, which is growing slowly. They are basically like fraternal twins; they have a lot in common, […]

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 […]

Cellulosic ethanol, what happened, what’s happening?

The story of cellulosic ethanol in the United States has had more plot twists than The Crying Game, the acclaimed Hollywood brain twister—except that this story promises to end with a predictable happy ending. I believe cellulosic ethanol is here to stay for the long haul and it is finally exhibiting real potential to establish […]

Pyrolysis Oil – Commercial Markets are a Reality

Did you know that two new commercial-scale pyrolysis oil plants have come on stream since early 2014? Did you know that customers are buying pyrolysis oil in Sweden, Finland, Netherlands and the US? Did you know that for the first time pyrolysis oil is being shipped in volume by sea? Not only that, dedicated tanks […]