Patent application number | Description | Published |
20110262984 | METHOD FOR PRODUCING ETHANOL AND CO-PRODUCTS FROM CELLULOSIC BIOMASS - The present invention generally relates to processes for production of ethanol from cellulosic biomass. The present invention also relates to production of various co-products of preparation of ethanol from cellulosic biomass. The present invention further relates to improvements in one or more aspects of preparation of ethanol from cellulosic biomass including, for example, improved methods for cleaning biomass feedstocks, improved acid impregnation, and improved steam treatment, or “steam explosion.” | 10-27-2011 |
20110271875 | Process for Recovery of Values from a Fermentation Mass Obtained in Producing Ethanol and Products Thereof - The present invention generally relates to processes for recovery of values from a fermentation mass obtained in producing ethanol. Further, the present invention relates to processes for the recovery of values from an inorganic- and lignin-containing mass. The present invention also relates to processes for the recovery of a fraction having enhanced silica content from a silica-containing mass. Still further, the present invention relates to processes for the recovery of crude ethanol from a fermentation mass. The present invention relates to various lignin-containing products and solutions and mineral-rich products. | 11-10-2011 |
20120006320 | METHOD FOR PRODUCING ETHANOL AND CO-PRODUCTS FROM CELLULOSIC BIOMASS - The present invention generally relates to processes for production of ethanol from cellulosic biomass. The present invention also relates to production of various co-products of preparation of ethanol from cellulosic biomass. The present invention further relates to improvements in one or more aspects of preparation of ethanol from cellulosic biomass including, for example, improved methods for cleaning biomass feedstocks, improved acid impregnation, and improved steam treatment, or “steam explosion.” | 01-12-2012 |
20120111321 | METHOD AND APPARATUS FOR TREATING A CELLULOSIC FEEDSTOCK - Methods and apparatus for treating, pre-treating, preparing and conveying a cellulosic feedstock, such as for ethanol production, are disclosed. More specifically, the invention relates to methods and apparatus for treating a cellulosic feedstock by mixing and heating the cellulosic feedstock and/or by moistening and heating the cellulosic feedstock. The invention also relates to a holding tank, and a method of utilizing the holding tank whereby bridging may be reduced or eliminated and may result in a product stream from autohydrolysis or hydrolysis having an improved yield. The invention further relates to methods and apparatus for obtaining and conveying a cellulosic feedstock, which may be used for the subsequent production of a fermentable sugar stream from the cellulose and hemicellulose in the cellulosic feedstock wherein the fermentable sugar stream may be used for subsequent ethanol production. The invention also relates to a method and apparatus for withdrawing one or more feedstock stream from a holding tank. | 05-10-2012 |
20140083918 | SOAK VESSELS AND METHODS FOR IMPREGNATING BIOMASS WITH LIQUID - Soak vessels for impregnating biomass with a liquid such as a dilute acid and methods for impregnating biomass are disclosed. In some embodiments, the soak vessel includes an impeller assembly with impellers that create a vortex to submerge the biomass, that agitate and separate contaminants from the biomass and that direct biomass and contaminants to separate vessel outlets. | 03-27-2014 |
20140083939 | METHODS FOR CONTROLLING PRETREATMENT OF BIOMASS - Methods for producing ethanol from cellulosic biomass and, in particular, methods for controlling steam explosion pretreatment operations are disclosed. In some particular embodiments, the total solids content of biomass entering a pretreatment digester is calculated to provide operational data and feedback control. | 03-27-2014 |
20140087432 | METHODS FOR CONDITIONING PRETREATED BIOMASS - Methods for producing ethanol from cellulosic biomass and, in particular, methods for conditioning pretreated biomass are disclosed. In some embodiments, pretreated biomass is contacted with a cooling fluid in a flash vessel to cool the biomass. The amount of alkaline solution contacted with the biomass may be based on the pH of partially hydrolyzed pretreated biomass in a liquefaction bioreactor. | 03-27-2014 |
20140315258 | METHODS FOR CONVERTING CELLULOSIC WASTE TO BIOPRODUCTS - The present invention provides processes for converting cellulosic waste, such as municipal solid waste, to bioproducts such as monosaccharides and fermentation products. | 10-23-2014 |
20140315270 | METHOD FOR ADDING ENZYMES TO OBTAIN HIGH ETHANOL YIELD FROM CEREAL MASH - The present invention generally relates to processes for production of monosaccharides and ethanol from energy crops. In some aspects, the present invention relates to improvements in ethanol production from energy crops including fractionating liquefied mash to generate a fraction enriched in complex polysaccharides such as cellulose, conversion of the cellulosic components to monosaccharides, and preparation of ethanol therefrom. | 10-23-2014 |