scholarly journals Optimization of Bioethanol Production Using Whole Plant of Water Hyacinth as Substrate in Simultaneous Saccharification and Fermentation Process

2016 ◽  
Vol 6 ◽  
Author(s):  
Qiuzhuo Zhang ◽  
Chen Weng ◽  
Huiqin Huang ◽  
Varenyam Achal ◽  
Duanchao Wang
Keyword(s):  
Water Hyacinth ◽  
Fermentation Process ◽  
Simultaneous Saccharification And Fermentation ◽  
Bioethanol Production ◽  
Whole Plant ◽  
Simultaneous Saccharification

Production and optimization of cellulase from agricultural waste and its application in bioethanol production by simultaneous saccharification and fermentation

2016 ◽  
Vol 27 (1) ◽  
pp. 22-35 ◽  
Author(s):  
Elsa Cherian ◽  
M. Dharmendira Kumar ◽  
G. Baskar
Keyword(s):  
Design Methodology ◽  
Simultaneous Saccharification And Fermentation ◽  
Agricultural Waste ◽  
Cellulase Production ◽  
Reducing Sugar ◽  
Bioethanol Production ◽  
Corn Cob ◽  
Content Type ◽  
Optimized Conditions ◽  
Simultaneous Saccharification

Purpose – The purpose of this paper is to optimize production of cellulase enzyme from agricultural waste by using Aspergillus fumigatus JCF. The study also aims at the production of bioethanol using cellulase and yeast. Design/methodology/approach – Cellulase production was carried out using modified Mandel’s medium. The optimization of the cellulase production was carried out using Plackett-Burman and Response surface methodology. Bioethanol production was carried out using simultaneous saccharification and fermentation. Findings – Maximum cellulase production at optimized conditions was found to be 2.08 IU/ml. Cellulase was used for the saccharification of three different feed stocks, i.e. sugar cane leaves, corn cob and water hyacinth. Highest amount of reducing sugar was released was 29.1 gm/l from sugarcane leaves. Sugarcane leaves produced maximum bioethanol concentration of 9.43 g/l out of the three substrates studied for bioethanol production. Originality/value – The present study reveals that by using the agricultural wastes, cellulase production can be economically increased thereby bioethanol production.

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