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Rice straw as a feedstock for biofuels: Availability, recalcitrance, and chemical properties
Author(s) -
Satlewal Alok,
Agrawal Ruchi,
Bhagia Samarthya,
Das Parthapratim,
Ragauskas Arthur J.
Publication year - 2017
Publication title -
biofuels, bioproducts and biorefining
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.931
H-Index - 83
eISSN - 1932-1031
pISSN - 1932-104X
DOI - 10.1002/bbb.1818
Subject(s) - biorefinery , straw , biofuel , raw material , agriculture , bioenergy , environmental science , rice straw , pulp and paper industry , chemical industry , agrochemical , agronomy , microbiology and biotechnology , biochemical engineering , agricultural engineering , natural resource economics , chemistry , environmental engineering , engineering , biology , economics , ecology , organic chemistry
Abstract The surplus availability of rice straw, its limited usage, and environmental pollution caused by its inefficient burning has fostered research for its valorization to biofuels. This review elucidates the current status of rice straw potential around the globe along with recent advances in revealing the critical factors responsible for its recalcitrance and chemical properties. The role and accumulation of high silica content in rice straw has been elucidated with its impact on enzymatic hydrolysis in a biorefinery environment. The correlation of different pre‐treatment approaches in modifying the physiochemical properties of rice straw and improving the enzymatic accessibility has also been discussed. This study highlights new challenges, resolutions, and opportunities for rice straw based biorefineries. © 2017 Society of Chemical Industry and John Wiley & Sons, Ltd