Hydrolysis of wheat straw hemicelluloses for maximum xylose extraction | Zendy

Zhaksylyk Makhatov | Zendy; Zh.R. YELEMANOVA | Zendy; Raikhan Aitkulova | Zendy; Z Narymbayeva | Zendy; A Dairabayeva | Zendy; B Doltayeva | Zendy; B Torlanova | Zendy; K. E. Arystanbaev | Zendy

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Hydrolysis of wheat straw hemicelluloses for maximum xylose extraction

Author(s) -

Zhaksylyk Makhatov,

Zh.R. YELEMANOVA,

Raikhan Aitkulova,

Z Narymbayeva,

A Dairabayeva,

B Doltayeva,

B Torlanova,

K. E. Arystanbaev

Publication year - 2021

Publication title -

iop conference series earth and environmental science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.179

H-Index - 26

eISSN - 1755-1307

pISSN - 1755-1315

DOI - 10.1088/1755-1315/939/1/012006

Subject(s) - xylose , straw , hydrolysis , sulfuric acid , cellulose , hemicellulose , chemistry , lignin , extraction (chemistry) , hydrolysate , yield (engineering) , acid hydrolysis , nuclear chemistry , chromatography , food science , organic chemistry , materials science , inorganic chemistry , fermentation , metallurgy

The aim of the study is to select reaction conditions for hydrolysis of wheat straw with dilute sulfuric acid for maximum xylose extraction under mild conditions (at atmospheric pressure and temperature of 100°C). The authors found that maximum glucose yield (72.4-77.1 weight % of the initial content of hemicelluloses in wheat straw) is achieved at a concentration of H 2 SO 4 2-3 weight % and the hydrolysis process duration of 5 hours. Analysis of the obtained hydrolysates showed that they contain cellulose (56.8-70.4 weight %), lignin (19.8-28.8 weight %) and hemicelluloses (2.8-15.3 weight %).

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