Spectro Scientific

Measuring fats, oils and greases in wastewater


Source: Spectro Scientific

Portable mid-IR Analyzers from Wilks Enterprise provide accurate, easy on-site analysis to assist regulators, as well as industry, to reduce the build up of fats, oils, and greases (FOG) in sewers. These analyzers are ideal for use by publicly operated treatment centers as it is important to locate and monitor sites that are suspected of dumping high levels of FOG in the sewer line. In addition, numerous industries need to ensure they are not exceeding their permit limits. Waiting for remote laboratory results can take several days to a week. With a simplified FOG analysis procedure using a portable mid-IR Wilks InfraCal TOG/TPH Analyzer, regulators or industrial pretreatment operators can now get an on-site result in less than 10 minutes. The extraction and measurement procedure is simple enough for an operator with minimal training to do the analysis.

This type of measurement is not new as Infrared analysis of oil and grease has been used in the petroleum industry on highly regulated off-shore oil platforms for over 30 years. The InfraCal TOG/TPH Analyzers are used worldwide for this particular measurement.

InfraCal TOG/TPH Analyzers, with a simple and quick measurement procedure, now enable operators of a pretreatment system to easily assess their system’s efficiency. Plant operators can take samples before and after treatment to see how their system functions under heavy loads. System parameters can be changed and the results of the changes can be determined on-site without waiting a week or more for a laboratory result. Regulators from a POTW can take samples from the source and immediately determine who their FOG offenders. Most importantly, effluent with high levels of FOG that can be stopped before it stops the flow of the sewer line.

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