Method and apparatus for treating a cellulosic feedstock

Nguyen, Quang A.; Burke, Murray J.; Hillier, Sunalie N.

Method and apparatus for treating a cellulosic feedstock

Patent · 08 September 2015

OSTI ID:1214146

Nguyen, Quang A.; Burke, Murray J.; Hillier, Sunalie N.

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.

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Research Organization:: Abengoa Bioenergy New Technologies, LLC, Chesterfield, MO (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC36-03GO13142;

Assignee:: Abengoa Bioenergy New Technologies, LLC. (Chesterfield, MO)

Patent Number(s):: 9,127,325

Application Number:: 13/014,327

OSTI ID:: 1214146

Country of Publication:: United States

Language:: English

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