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Chlorinated Organics in Tropical Hardwood Kraft Pu1p and Paper Mill Effluents and their Elimination in an Activated Sludge Treatment System

Mohamed, Murtedza and Matayun, M and Lim, T.S (1989) Chlorinated Organics in Tropical Hardwood Kraft Pu1p and Paper Mill Effluents and their Elimination in an Activated Sludge Treatment System. Pertanika, 12 (3). pp. 387-394.

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Abstract

The identity and concentration of major chlorinated organics in the combined effluents of the SFI Pulp and Paper Mill in Sabah, Malaysia, were determined. In the biologically treated effluent, chlorinated organics found to occur in a relatively higher concentration were trichloroacetic acid (838-994 µg/L), 1,1-dichlorodimethyl sulfone (DDS) (86-232 µg/L), dichloroacetic acid (14-18 µg/L), and trichloro syringol (5-18 µg/L). Compared to those of a number of softwood kraft mills, the load of chlorinated phenols and acids in the wastewater of SFI hardwood kraft mill was 3-8 times lower. The effectiveness of oxygen activated sludge treatment system in eliminating these chlorinated organics was found to be as follows: chlorinated phenols 20-70 %, DDS 60 %, and chlorinated acetic acids 30-99%

Item Type:Article
Keyword:Chlorinated organics, pulp mill effluent, activated sludge treatment.
ID Code:2657
Deposited By: Nur Izzati Mohd Zaki
Deposited On:17 Nov 2009 08:38
Last Modified:27 May 2013 15:02

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