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In fermentation, part of the biomass is converted into sugars using acid or enzymes. The sugar is then converted into ethanol or other chemicals with the help of yeasts. The lignin is not converted and is left either for combustion or for thermochemical conversion into chemicals.
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Biochemical conversion uses biocata- lysts, such as enzymes, in addition to heat and other chemicals, to convert the carbohydrate portion of the bio- mass ...
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The two primary approaches to using thermochemical process to convert biomass into fuels and chemicals are gasification and pyrolysis.
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Dec 20, 2018 · Biochemical Conversion involves the use of enzymes, bacteria or other microbes to break down biomass into liquids and gaseous feedstocks and ...
Sep 12, 2011 · This critical review provides a survey illustrated by recent references of different strategies to achieve a sustainable conversion of biomass ...