Process for the manufacture of butanol or acetone
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United States of America
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Dec 14, 2021
Grant Date -
Jun 11, 2020
app pub date -
Feb 17, 2020
filing date -
Feb 17, 2020
priority date (Note) -
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Abstract
A process for the manufacture of butanol, acetone and/or other renewable chemicals is provided wherein the process utilises one or more of the group comprising by-products of the manufacture of malt whisky, such as draff, pot ale and/or spent lees, biomass substrates, such as paper, sludge from paper manufacture and spent grains from distillers and brewers, and diluents, such as water and spent liquid from other fermentations. The process comprises treating a substrate to hydrolyse it and fermenting the treated substrate at an initial pH in the range of 5.0 to 6.0. Also provided is a biofuel comprising butanol manufactured according to the process of the invention.
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