Monday, January 14, 2008

ODOUR CONTROL STRATEGIES ON THE REGIONAL OUTFALL SEWER

The Regional Outfall Sewer (ROS) conveys industrial and domestic waste from the Latrobe Valley to Dutson Downs for treatment. There are two main sections which comprise the ROS; a 40 km piped section that originates in Morwell, and 45 kms of open channel that starts east of Rosedale. The majority of the industrial effluent that is received is high in sulphates, which in turn leads to the generation of sulphides, and this is the reason for the frequent odour complaints from residents in the vicinity of the open channel section.

This paper discusses the different odour control strategies that were tried on the Regional Outfall Sewer in 2003-05 by Gippsland Water. In particular, pH based control will be discussed as a means of suppressing odours associated with hydrogen sulphide..........

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