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Sensing foam in the process

23 July 2013

UK-based company, Charis Technology has developed a new smart sensor to save manufacturing industries time and money and to improve the quality of their waste before disposal.

The Charis SmartFoam System is available as an OEM component or as a stand-alone sensor. Developed to meet the standards required by the pharmaceutical industry, it also offers benefits in effluent treatment and other industrial processes such as paper manufacture, veterinary products, chemical production and food processing.

Foam occurring naturally during many production processes can blocks filters and overflows, causing a safety hazard which can result in downtime. Dosing with anti-foam can reduce the problem, but without a reliable foam sensor many companies resort to constant dosage, which can often add up to over-dose. The Charis SmartFoam System, is said to offer continuous monitoring to ensure the optimum use of anti-foam.

One company to make use of the technology is Monarch Chemicals, a chemical distribution and toll manufacturing company. Disposal of residues from its chemical production is subject to strict regulations.
Projects manager, Trevor Goddard, explained: ‘Our search for a solution to the problem of costly foam spillages during waste water treatment led us to WMEC, who designed and developed an automatic break tank system with computer controlled dosing and pumping, activating dosage of antifoam chemicals only when necessary. We asked them to incorporate a SmartFoam sensor into the system.’

Charis Technology was able to customise the sensor to respond to the new computer-controlled system, supplying it to WMEC as an OEM component.

“Since installing the Charis Foam Control System six months ago, our usage of anti-foam chemicals has reduced and foam spillages are non-existent. We are confident that the system is monitoring our waste water 24/7,” said Goddard.

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