Optimizing The Effect Of Chemical Pretreatment On Lignocellulosic Properties Of Wheat Straw

Chaudhry Arslan (), Munazza Javed, Asma Sattar, Fariha Ilyas, Waheed Tariq and Syed Hamza Gillani
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Chaudhry Arslan: Department of Structures and Env. Engineering, University of Agriculture, Faisalabad, Pakistan
Munazza Javed: Department of Structures and Env. Engineering, University of Agriculture, Faisalabad, Pakistan
Asma Sattar: Department of Structures and Env. Engineering, University of Agriculture, Faisalabad, Pakistan
Fariha Ilyas: Department of Soil Science, Bahaudin Zikrya University, Multan
Waheed Tariq: Department of Structures and Env. Engineering, University of Agriculture, Faisalabad, Pakistan
Syed Hamza Gillani: Department of Structures and Env. Engineering, University of Agriculture, Faisalabad, Pakistan

Journal of Wastes and Biomass Management (JWBM), 2020, vol. 2, issue 2, 28-32Volume: 2

Abstract: The current research was postured for optimizing the pretreatment of wheat straw with three different chemicals i.e., 1% NaOH at 121°C for 1 hour, 4% lime at 80°C for 40 minutes, similarly 4% acetic acid at 121°C for 1 hour and studying their effect on lingo cellulosic structure of wheat straw. It was observed that NaOH treatment was most suitable maximum degradation of lignin and least disruption of cellulosic contents. NaOH pretreatment was optimized for three main process parameters i.e., temperature, pretreatment time and chemical concentration. It was analyzed that at same concentration by varying treatment time and temperature, hemicelluloses and lignin contents decreased with the increase of both parameters. Concentration of chemical was optimized at boiling temperature of 105°C for 10 minutes, revealed that with the increase in NaOH concentration lignin and hemicelluloses contents degrade more. Time parameter was optimized applying treatment of 2, 5 and 8 days. Lignin degradation was highest at 8% NaOH concentration for 2 days. Lignin contents increased abruptly at 8% NaOH and 8 days of treatment. Optimum conditions obtained for cellulose and hemicellulose are 2% NaOH, 105°C for 10 minutes

Keywords: Wheat Straw; Chemical Pretreatment; Lignin degradation; optimization (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbjwbm:v:2:y:2020:i:2:p:28-32

DOI: 10.26480/jwbm.02.2020.28.32

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