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Continuous biobleaching of black liquor from the pulp and paper industry using an immobilized cell system

✍ Scribed by Satwinder S. Marwaha; Rajesh Grover; Chand Prakash; John F. Kennedy

Publisher: Wiley (John Wiley & Sons)
Year: 1998
Tongue: English
Weight: 195 KB
Volume: 73
Category: Article
ISSN: 0268-2575
DOI: 10.1002/(sici)1097-4660(1998110)73:3<292::aid-jctb950>3.0.co;2-c

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✦ Synopsis

Three di †erent support materials have been screened for immobilization of Phanerochaete chrysosporium for biobleaching of anaerobically digested black liquor. Of these, jute rope-immobilized P. chrysosporium showed better performance than cotton and wheat carriers in terms of decolorization and COD reduction. Process parameters such as temperature, mycelial load, pH, glucose concentration and retention time were optimized using jute-immobilized fungus and the optimal values recorded were 40¡C, 340 mg, 5É5, 1% (w/v) and 72 h, respectively. Continuous biobleaching of anaerobically digested black liquor using a packed bed reactor system carrying the jute-immobilized fungal biomass was successfully carried out over a period of 21 days.

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Continuous methanogenesis of black liquo

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

✍ John F Kennedy; Parmjit S Panesar; Rajesh Grover; Satwinder S Marwaha 📂 Article 📅 2006 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 114 KB

## 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