Kinetic Study of Acid Hydrolysis of Rice Straw | Zendy

Nibedita Sarkar | Zendy; Kaustav Aikat | Zendy

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Kinetic Study of Acid Hydrolysis of Rice Straw

Author(s) -

Nibedita Sarkar,

Kaustav Aikat

Publication year - 2012

Publication title -

isrn biotechnology

Language(s) - English

Resource type - Journals

ISSN - 2090-9403

DOI - 10.5402/2013/170615

Subject(s) - xylose , pentose , xylitol , hydrolysis , straw , chemistry , biofuel , rice straw , yield (engineering) , pulp and paper industry , enzymatic hydrolysis , food science , fermentation , biochemistry , microbiology and biotechnology , materials science , biology , inorganic chemistry , engineering , metallurgy

Rice straw is a renewable, cheap, and abundant waste in tropical countries. The pentose content of rice straw can be used as a substrate for many types of value-added products such as xylitol and biofuel. Dilute acid hydrolysis mainly releases pentose from rice straw. The objective of the study was to determine the effect of H 2 SO 4 concentration and reaction time on the xylose production. The variation of the main product xylose with the reaction time was described by a kinetic model and kinetic parameters were calculated to describe the variation of the xylose production with time. The optimum yield (19.35 g/L) was obtained at 0.24 mol/L H 2 SO 4 and 30 minutes.

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