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Optimization of operating conditions of rotary drum bioreactor for lignin peroxidise production by solid state

Alam, Md. Zahangir and Muyibi, Suleyman Aremu and Al-Mamun, Abdullah and Qudsieh, Isam Y. and Suardi, M. (2007) Optimization of operating conditions of rotary drum bioreactor for lignin peroxidise production by solid state. In: World Engineering Congress, 5-9 August 2007, Penang.

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Solid state bioconversion of empty fruit bunches (EFB) for lignin peroxidase (LiP) by Phanerocheate chrysosporium through optimum operating conditions of a rotary drum bioreactor (RDB) was investigated. The study was carried out in the 50L of RDB fabricated locally for 6 days of treatment. The process conditions such as initial pH of 5.5, inoculum of 5% and moisture content of 60% obtained from previous study were applied for this study. The operating conditions i.e. aeration and agitation rate for the rotary drum bioreactor were optimized by using fractional factorial design. A regression model was developed using experimental data with the consideration of linear, quadratic and interactions effects. The maximum production of LiP was 475.8 U/L while the theoretical yield was 439.6 with the optimum aeration and agitation of 30 l/min and 15 rpm respectively using RDB by solid state bioconversion.

Item Type: Conference or Workshop Item (Full Paper)
Additional Information: ISBN 978- 983-41705-8-5 2007 FEIIC
Uncontrolled Keywords: Solid state bioconversion, lignin peroxidase, empty fruit bunches, Phanerocheat chrysosporium,solid waste management
Subjects: T Technology > TP Chemical technology
T Technology > TP Chemical technology > TP248.13 Biotechnology
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Biotechnology Engineering
Depositing User: Dr. Md. Zahangir Alam
Date Deposited: 29 Nov 2011 07:59
Last Modified: 29 Nov 2011 07:59
URI: http://irep.iium.edu.my/id/eprint/5855

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