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Alkaline Pre-Treatment and Enzymatic Hydrolysis of Waste Papers to Fermentable Sugar
 
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1
Chemical Engineering Department, Covenant University, P.M.B 1023, Canaan Land, Ota, Ogun State, Nigeria
 
2
Department of Physics, Covenant University, P.M.B 1023, Canaan Land, Ota, Ogun State, Nigeria
 
3
Department of Food Science and Technology, Federal University of Technology, Akure, Ondo-State, Nigeria
 
 
Publication date: 2018-01-01
 
 
Corresponding author
Modupe Elizabeth Ojewumi   

Covenant University, Chemical Engineering Department, P.M.B 1023, KM 10. Idiiroko rd, Ota, 23401 Ogun, Nigeria
 
 
J. Ecol. Eng. 2018; 19(1):211-217
 
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ABSTRACT
Waste paper is known to be the major component of organic solid waste. In this research, waste paper was used as a feedstock for the production of fermentable sugar with the aid of two (2) microorganisms. The waste papers used included newspaper, officpaper and foolscap paper. Enzymatic hydrolysis was carried out on the waste papers after the alkaline treatment using Aspergillus niger and Pseudomonas aeruginosa at different temperatures of 25oC, 37oC and 42oC. The highest yield was obtained from the foolscap paper, which produced reducing sugar at a maximum concentration of 486.66 mg/L after two weeks using Pseudomonas aeruginosa at 37oC. On the other hand, hydrolysing using Aspergillus niger, produced reducing sugar at a maximum concentration of 365 mg/L at an optimum temperature of 25oC with office paper.
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