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Effluent monitor protects drink producers wastewater treatment plant

19 November 2013

The installation of a continuous Total Organic Carbon (TOC) monitor to police the front end of a drink manufacturers wastewater treatment plant has enabled tighter control of its treatment process.

Said to deliver results 20 times faster than laboratory techniques, the HACH LANGE BioTector monitor at Cobevco’s Elton facility in Cheshire in the UK, gives the company advance notice of organic overload so that the plant is able to instantly divert carbon-rich waste and protect the treatment process.

The recently rebranded Cobevco filling division operates a state-of-the-art bottle filling and wastewater treatment plant at their manufacturing site at Elton in Cheshire, which includes a large biological wastewater treatment facility which operates 24/7, between three staggered Sequential Batch Reactors (SBR). The process relies on the activity of bacteria to break down the organic content in the waste stream. However, if the organic load is too strong or too weak, the bacteria are unable to function efficiently, so monitoring is necessary.

Historically, laboratory analysis has taken too long to allow proactive intervention and the ability to measure organic load continuously has not been possible because instruments have been unable to cope with the strength of the effluent without filtration.

The two-stage chemical oxidation process, employed by the BioTector, has resolved this problem, enabling the company to protect the treatment plant and improve efficiency.

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