Reliant Water Technologies

Mabarex Sewper Rx experience


Courtesy of Courtesy of Reliant Water Technologies

A Quebec, Canada manufacturer of wastewater treatment equipment, instituted a field test of Reliant’s patented organic solids and odor reduction product, Sewper Rx, in a cookie manufacturing plant. The plant was challenged with very high levels of BOD, TSS and fats, oils and grease, thus experiencing reduced daily flow and poor-quality discharge as a result. The plant operates a sequential batch reactor (SBR) with COD occasionally reaching well over 1,000 mg/l. Mabarex and Reliant developed the following 20-lb. treatment protocol for the field test. The initial treatment included 2 lbs. (1 kg) of Sewper Rx introduced into the plant’s wastewater lift station to begin the degreasing process and 8 lbs. (3.5 kg) directly into the SBR during the aeration process. Thirty days later, another 2 lbs. (1 kg) were added to the lift station and 4 lbs. (2 kg) to the SBR. At 60 days, Mabarex added 2 lbs. (1 kg) in the lift station and 2 lbs. (1 kg) in the SBR. This initial protocol provided for a two-month test period.

The attached graphs tell the story of the test. One thing to keep in mind as you read the graphs, the baking part of the cookie plant shut down operations in mid December and did not reopen until mid-January, at which time the Sewper Rx test began. There is some data from months prior to the test noted. As the nomenclature of the graphs is in French, keep in mind that Q = Flow, MES = TSS, DCO = COD, and Huiles & Graisses = Oils and grease.

The results of the 60 day test were impressive! A significant decrease in accumulated grease build-up was observed in the lift station. The activated sludge in the SBR was of far healthier quality and significant reductions were recorded in COD, BOD and TSS levels which resulted in much improved effluent quality. As a result of these improved operating results, the daily flow of wastewater through the plant doubled! A plan to provide ongoing treatment of this facility with Sewper Rx is currently being developed.

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