Optimizing Cellulase Production from Municipal Solid Waste (MSW) using Solid State Fermentation (SSF)
- Corresponding Author:
- Jwan J. Abdullah
Department of Bioenergy, University of Nottingham
School of Biosciences, Sutton Bonington Campus
Loughborough, LE12 5RD, UK
E-mail: [email protected]
Received date: March 17, 2016; Accepted date: April 04, 2016; Published date: April 06, 2016
Citation: Abdullah JJ, Greetham D, Pensupa N, Tucker GA, Du C (2016) Optimizing Cellulase Production from Municipal Solid Waste (MSW) using Solid State Fermentation (SSF). J Fundam Renewable Energy Appl 6:206. doi:10.4172/2090- 4541.1000206
Copyright: © 2016 Abdullah JJ, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
This paper explores the possibility of using an industrially processed municipal solid waste (MSW) for cellulase enzyme production via solid state fermentation (SSF) by Trichoderma reesei and Aspergillus niger. Both fungi grew well on the MSW substrate and production of cellulase enzymes was optimized for temperature, moisture content, inoculation and period of incubation. The effect of additional minerals, and alternative carbon and nitrogen sources were also examined.
Following optimization a cellulase activity of 26.10 ± 3.09 FPU/g could be produced using T. reesei at 30°C with a moisture content of 60% with an inoculums of 0.5 million spores/g and incubation for 168 hours. Addition of extra nitrogen and/or carbon did not improve cellulase accumulation. Acid or alkali pretreatment of MSW led to reduced cellulase production. Crude enzymes produced from MSW by T. reesei were evaluated for their ability to release glucose from MSW. A cellulose hydrolysis yield of 24.7% was achieved, which was close to that obtained using a commercial enzyme. Results demonstrated that MSW can be used as an inexpensive lignocellulosic material for the production of cellulase enzymes.