Efficient VOC Monitoring in Water: The Model 204 Advantage
The principle of operation of the VOC in water monitor requires a consistent free flowing liquid sample into the Sample Transfer Stripper (S.T.S) unit that separates the liquids from the VOCs & produces an ultra clean sample. A hydrocarbon free consistent flowing air carrier then sweeps the VOCs in a gaseous form into the iron oxide sensor or G.C. for quantitative analysis in ppb, ppm, or up to saturation levels. An optional liquid validation by Perm Tube(Exclusive Membrane Technology) is available. This unattended on-line hydrocarbon in water analyzer is economically superior to inaccurate laboratory analyzers where unstable grab samples result in hydrocarbon & VOCs deterioration that produce analytical errors. Downtime is reduced to less than 10% of the El Paso, TOC or Sparger methods and the economic pay out is increased because of reduced product loss. In one case, 12,000 pounds of product loss per day was quickly identified by this proven and accurate on-line analytical method.
Shell Global Solutions has awarded ASI “preferred vendor” status for the model 204 in cooling tower applications. In addition, TCEQ has designated the Model 204 as “Best Available Control Technology” and “Equivalency” for continuous monitoring of cooling tower waste water applications, Patents & Patents Pending based on letters that are available on request.
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