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Start up of UASB reactor with concentrated abattoir atabilization pond aludge

Tenorio, D.O. and Ho, G.E. (1993) Start up of UASB reactor with concentrated abattoir atabilization pond aludge. In: Proceedings of the 15th Federal Convention of the Australian Water and Wastewater Association, Vol.3, 18 - 23 April, Gold Coast, Qld, Australia pp. 614-620.

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Abstract

The suitability of concentrated abattoir stabilization pond sludge for the start-up of UASB reactors was studied in a continuous laboratory set-up. A mixture of volatile fatty acids (acetic, butyric and propionic) was used as substrate to establish the optimum parameters for the start-up.

The concentrated sludge had the capacity to handle a high loading condition (15 kg COD/m3 of reactorday) within 5 weeks of operation. The range of% COD reduction was 78%-94%. Different sludge concentrations gave similar VFA and COD reductions. This can be attributed to the severe washout of the sludge at the initial phase of operation and the eventual retention of similar sludge concentrations of approximately 20 kg VSS/m3 of reactor.

Publication Type: Conference Paper
Murdoch Affiliation: School of Environmental Science
Publisher: Institution of Engineers, Australia
URI: http://researchrepository.murdoch.edu.au/id/eprint/22761
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