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The study deals with an industrial process for ethanol production from lignocellulosic biomasses. This includes the individual steps of steam explosion pretreatment, separation of solubilised pentoses, enzymatic hydrolysis of cellulosic residue by enzymes produced on site and alcoholic fermentation of hydrolyzate in glucose. Since the pentoses are not suitable for transformation into ethanol by an industrial fermentation process, it is necessary to optimise the pretreatment process in order to enable their specific fractionation (Phase I) and to use them as substrates for cellulase production by fermentation of Trichoderma reesei (Phase II). In addition, the enzymatic hydrolysis has been studied under conditions with high initial substrate concentrations, resulting in sugar concentrations which are consistent with conventional process needs for alcoholic fermentation (Phase III).

Additional information

Authors: POURQUIE J, GERTH, Rueil Malmaison (FR);EXCOFFIER G, GERTH, Rueil Malmaison (FR);TOUSSAINT B, GERTH, Rueil Malmaison (FR);VIGNON M, GERTH, Rueil Malmaison (FR)
Bibliographic Reference: EUR 13025 EN (1990) 30 pp., MF, ECU 4, blow-up copy ECU 5
Availability: (2)
Record Number: 199011574 / Last updated on: 1994-12-02
Original language: en
Available languages: en
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