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Development of a Method for Biohydrogen Production from Wheat Straw by Dark Fermentation by Nima Nasirian; Morteza Almassi; Saeid Minaei; Renatus Widmann is a Engineering article available to read on EtoBox.

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Lignocellulosic biomass contains approximately 70e80% carbohydrates. If properly hydrolyzed, these carbohydrates can serve as an ideal feedstock for fermentative hydrogen production. In this research, batch tests of biohydrogen production from acid-pretreated wheat straw were conducted to analyze the effects of various associated bioprocesses. The objective of the pretreatment phase was to investigate the effects of various sulfuric acid pretreatments on the conversion of wheat straw to biohydrogen. When sulfuric acid-pretreated solids at a concentration of 2% (w/v) were placed in an oven for 90 min at 120 C, they degraded substantially to fermentative gas. Therefore, wheat straw that is pre-treated under the evaluated conditions is suitable for hydrolysis and fermentation in a batch test apparatus. Five different conditions were evaluated in the tests, which were conducted in accordance with standard batch test procedures (DIN 38414 S8): fresh straw, pre-treated straw, supernatants derived from acid hydrolyzation, Separate Hydrolysis and Fermentation (SHF) and Simultaneous Saccharification and Fermentation (SSF). The SSF method proved to be the most effective and economical way to

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Author

Nima Nasirian; Morteza Almassi; Saeid Minaei; Renatus Widmann

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0360-3199)

Published

2011

Language

EN

Field

Engineering (Physical Sciences)