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Continuous methanogenesis of black liquor of pulp and paper mills in an anaerobic baffled reactor using an immobilized cell system

✍ Scribed by John F Kennedy; Parmjit S Panesar; Rajesh Grover; Satwinder S Marwaha

Publisher
Wiley (John Wiley & Sons)
Year
2006
Tongue
English
Weight
114 KB
Volume
81
Category
Article
ISSN
0268-2575

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✦ Synopsis

Abstract

An anaerobic baffled reactor together with an immobilized cell system has been proposed for methanogenesis of the black liquor from pulp and paper mills in a continuous system. A maximum chemical oxygen demand reduction of 50%, and biogas generation of 10 L d^−1^, having methane content of 66% (v/v) at an organic loading rate (OLR) of 7 kg m^−3^ d^−1^ with hydraulic retention time of 2 days, were recorded. OLR values higher than 7 kg m^−3^ d^−1^ were toxic to methanogenesis and destabilized the reactor system. Copyright © 2006 Society of Chemical Industry

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## Abstract The methanogenesis of black liquor from pulp and paper mill was achieved using immobilized cell technology in a laboratory‐scale two‐stage reactor system run continuously for 340 days. The optimum organic loading rate for the anaerobic treatment of black liquor was 8.0 kgm^−3^d^−1^ at w