Category: Thought Leadership

Opportunities to Transition Ethanol Facilities to Biochemical Refineries

Opportunities to Transition Ethanol Facilities to Biochemical Refineries

April 20, 2017 |

By Daniel A. Lane and Joel A. Stone, Lee Enterprises Consulting Special to The Digest The US commercial petroleum industry started with the drilling by retired railroad conductor Edwin Drake of a well near Titusville, PA in 1859. Drake’s well sparked an oil boom and over the next couple of years, and US petroleum production […]

Read More

Lignocellulosic Biomass Deconstruction

Lignocellulosic Biomass Deconstruction

April 12, 2017 |

By Dr. Bernard Cooker, Chemical Processing Solutions, Consultant with Lee Enterprises Consulting Special to The Digest 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. […]

Read More

Sustainable Polyurethanes and the Bio Economy

Sustainable Polyurethanes and the Bio Economy

April 10, 2017 |

By Lorenz Bauer, Ph.D., Lee Enterprises Consulting Special to The Digest 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 […]

Read More

Butanol vs. ethanol as a fuel component

Butanol vs. ethanol as a fuel component

April 5, 2017 |

Is your business model based on government regulations or fuel science?  By Bill Brandon, Special to The Digest In light of the recent article on Butamax, I feel a response from the perspective of automakers is appropriate.  One of the earlier articles referenced asked “ where’s butanol, or other substitutes for gasoline besides ethanol?” and went […]

Read More

Fuel Economy Rules: Someone is Listening

Fuel Economy Rules: Someone is Listening

March 27, 2017 |

by Doug Durante, Executive Director of the Clean Fuels Development Coalition Special to The Digest The recent announcement that the Trump Administration was taking another look at Corporate Average Fuel Economy (CAFE) standards was a welcome reality check for what is a complex and multi-layered issue. There was an immediate knee jerk reaction that this […]

Read More

Impeller Selection for Lignocellulosic Hydrolysis Reactors

Impeller Selection for Lignocellulosic Hydrolysis Reactors

March 16, 2017 |

By Gregory T. Benz, Lee Enterprises Consulting Special to The Digest Lignocellulosic slurries at high solids concentrations (10-30%) can be quite viscous. The author has seen some where the viscosity at a shear rate of 1/s is higher than 400,000 cP. Conventional agitator impeller selection guidelines would lead one to use helical ribbon impellers (figure […]

Read More

Viable Biomass for Hawaii

Viable Biomass for Hawaii

March 12, 2017 |

By Gretchen Miller Special to The Digest Meghan Pawlowski crawled through the tall, dense sugarcane jungle, glass vials in hand, searching for her next sample site while she kept her eye out for the scurry of cane spiders.  Up to four inches across, these usually harmless creatures are nonetheless an unpleasant one-on-one encounter while tangling in […]

Read More

Advanced Bioeconomy Conference: Some Scale-Up Successes, but Still a Shadow of Conventional Biofuels 

Advanced Bioeconomy Conference: Some Scale-Up Successes, but Still a Shadow of Conventional Biofuels 

March 9, 2017 |

These are excerpts from a complete review of ABLC by Raymond James Senior VP Pavel Molchanov, which you can read here. While the tone (on the whole) is no longer worsening, it is far from being as optimistic as it had been in the early years of this decade. This has little to do with the […]

Read More

Oil Instability Giving New Life to Biofuels?  

Oil Instability Giving New Life to Biofuels?  

March 1, 2017 |

By Douglas L. Faulkner, “The Cleantech Conservative” Special to The Digest Robert McNally, the author of the new, critically-acclaimed book, “Crude Volatility: The History and the Future of Boom-Bust Oil Prices”, believes that global oil markets are entering an epic, structural shift to a protracted new era of wildly fluctuating crude prices. The reason is […]

Read More

The sunliquid technology – a unique and validated pre-treatment approach to 2G ethanol 

The sunliquid technology – a unique and validated pre-treatment approach to 2G ethanol 

February 21, 2017 |

By Markus Rarbach, Head of Start-up Business Biofuels and Derivatives, Clariant Special to The Digest In an article published by novaCana.com on January 26th entitled; “Dilema do Etanol 2G: os desafios da matéria-prima celulósica” pre-treatment was identified as the key challenge for the six current commercial cellulosic ethanol plants worldwide. Our approach at Clariant when developing […]

Read More