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Performance of a hybrid anaerobic reactor, combining a sludge blanket and a filter, treating slaughterhouse wastewater

Borja, R., Banks, C. J. and Wang, Z. (1995) Performance of a hybrid anaerobic reactor, combining a sludge blanket and a filter, treating slaughterhouse wastewater Applied Microbiology and Biotechnology, 43, (2), pp. 351-357. (doi:10.1007/BF00172838).

Record type: Article

Abstract

A column reactor, in which the bottom two-thirds were occupied by a sludge blanket and the upper one-third by submerged clay rings, was evaluated using slaughterhouse wastewater as substrate. The reactor was operated at 35°C at loading rates varying from 5 g to 45 g chemical oxygen demand (COD) 1–1 × day–1 at an influent concentration of 2450 mg COD 1–1. A maximum substrate removal rate of 32 g COD 1–1 × day–1, coupled with a methane production rate of 6.91 × 1–1 × day–1 (STP), was obtained. This removal rate is significantly higher than those previously reported. The rate of substrate utilization by the biomass was 1.22 g COD (g volatile suspended solids)–1 day–1. COD removal was over 96% with loading rates up to 25 g COD 1–1 × day–1, at higher loading rates performance decreased rapidly. It was found that the filter element of the reactor was highly efficient in retaining biomass, leading to a biomass accumulation yield coefficient of 0.029 g volatile suspended solids g–1 COD, higher than reported previously for either upflow anaerobic sludge-blanket reactors or anaerobic filters operating independently

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Published date: June 1995

Identifiers

Local EPrints ID: 75503
URI: http://eprints.soton.ac.uk/id/eprint/75503
ISSN: 0175-7598
PURE UUID: f469b5ef-0a6e-4d1f-b3b9-0681fc53674f

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:42

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Contributors

Author: R. Borja
Author: C. J. Banks
Author: Z. Wang

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