Utilization of rice straw for parallel production of sugars rich extract and paper
Source abstract
Abstract
Abstract Complete utilization of different agricultural wastes is a great challenge before human society. The present study reports the valorization of rice straw for simultaneous production of reducing sugars and paper. The rice straw was first pre-extracted with water under different reaction conditions sequentially followed by papermaking. A maximum total reducing sugars (TRS) upto 12.38 % was extracted through aqueous pre-treatment. The pulped biomass was assessed for paper properties viz., tensile index, tear index, burst index, Kappa no. and brightness. For untreated rice straw tensile index, tear index and burst index were recorded within a range of 30.9–35.8 N m/g; 2.25–2.62 mN m2/g and 1.91–2.35 kN/g respectively where as it were ranged from 31.1 to 33.7 N m/g, 2.02–2.51 mN m2/g and 1.78–2.08 kN/g respectively for pretreated rice straw. Moreover, for untreated rice straw, kappa number and brightness were recorded in a range from 20.7 to 26.6 and 32.4 to 36.7 % ISO respectively, whereas for pre-treated rice straw it ranged from 19.1 to 26.3 and 31.6 to 35.5 % ISO respectively. High performance liquid chromatography (HPLC) analysis and field emission gun scanning electron microscopy (FESEM) were further employed during the study. In overall, extraction of underutilized sugars prior to pulping may prove as an efficient route for apt utilization of sugars followed by papermaking in near future.
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Research context
OpenAlex topics: Biofuel production and bioconversion · Rice Cultivation and Yield Improvement · Sugarcane Cultivation and Processing
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Veer Madho Singh Bhandari Uttarakhand Technical University , Dehradun , Uttarakhand , 248007 , India
Cellulose & Paper Discipline, Forest Products Division, ICFRE-Forest Research Institute , Dehradun , Uttarakhand , 248006 , India
Department of Applied Chemistry & Basic Sciences , 638869 Sardar Bhagwan Singh University , Balawala, Dehradun , Uttarakhand , 248161 , India
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