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The Effect of Microwave-NaOH Pretreatment and Hydrolysis Enzyme Using Trichoderma reesei-Aspergillus niger on Rice Straw Bioethanol Production

Argo, Bambang Dwi and Hendrawan, Yusuf and Maharani, Dewi Maya and Putranto, Angky Wahyu and Winarsih, Sri (2016) The Effect of Microwave-NaOH Pretreatment and Hydrolysis Enzyme Using Trichoderma reesei-Aspergillus niger on Rice Straw Bioethanol Production. International Journal on Advanced Science, Engineering and Information Technology, 6 (1). pp. 20-26. ISSN 2088-5334

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Abstract

The process of bioethanol production from rice straw consists of two steps: (1) conversion of cellulose into simple sugars which is conducted by using microwave-NaOH pretreatment and straw hydrolysis using mold catalyst T.reesei and A. niger; and (2) fermentation of simple sugars into ethanol. In a microwave-NaOH pretreatment process has been obtained the best value content of cellulose in straw size of 100 mesh and a long exposure of 40 minutes for 72.70+1:10%. Crude cellulase enzyme activity of T.reesei isolation, A.niger and it mixtures were optimum at temperature of 50°C. The addition of crude enzyme from A.niger and T.reesei on a comparison of 1: 2 (v/v) was able to increase the yield of the rice straw cellulose hydrolysis which is produces sugar at 12.89 mg/ml (1.29% w/v) or 0.15% (w/v) when converted into ethanol. The glucose yield from rice straw was 25.47% with 3% ethanol.

Item Type: Article
Keywords: bioethanol, pretreatment, T.reesei, A. niger.
Subjects: S Agriculture > S Agriculture (General)
Divisions: Faculty of Agriculture and Animal Husbandry > Department of Food Technology (41203)
Depositing User: Atik Yuliawati
Date Deposited: 03 Jan 2019 04:49
Last Modified: 03 Jan 2019 04:49
URI : http://eprints.umm.ac.id/id/eprint/42823

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