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Addition of trace metals and vitamins for the optimisation of a pulp and paper mill activated sludge wastewater treatment plant.

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Barnett, J and Richardson, DE and Stack, KR and Lewis, T (2012) Addition of trace metals and vitamins for the optimisation of a pulp and paper mill activated sludge wastewater treatment plant. Appita Journal, 65 (3). pp. 237-243. ISSN 1038-6807

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Abstract

Generally, industrial wastewater does not contain sufficient micronutrients to support optimal bacterial growth as a number of micronutrients are essential for biological cell function and activated sludge stability. A laboratory scale activated sludge process using porous pots with a capacity of 4.5 L has been used to mimic the operation of an activated sludge plant. Water soluble B group vitamins and trace metals including calcium, cobalt, copper, iron, magnesium, molybdenum and zinc were chosen for the micronutrient addition trials. The results indicated that COD removal was significantly improved by 7 to 12% compared to a control by the addition of calcium, cobalt, copper, iron and magnesium.

Item Type: Article
Keywords: Micro-nutrients, activated sludge, wastewater treatment, porous pots, trace elements
Journal or Publication Title: Appita Journal
Page Range: pp. 237-243
ISSN: 1038-6807
Additional Information: Copyright 2012 Appita (The Australian and New Zealand pulp and paper industry)
Date Deposited: 23 Jun 2012 14:12
Last Modified: 18 Nov 2014 04:38
URI: http://eprints.utas.edu.au/id/eprint/14500
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