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Open Access
Cleaning polyethersulfone membranes fouled by carwash wastewaters
(2023-05-20) Gryta, Marek; Woźniak, Piotr; Zachodniopomorski Uniwerstet Technologiczny w Szczecinie. Wydział Technologii i Inżynierii Chemicznej; West Pomeranian University of Technology in Szczecin. Faculty of Chemical Technology and Engineering
The polyethersulfone (PES) membranes were applied for separation of effluents generated during car washing. This wastewater contained several compounds (oil and grease, surfactants, solids, nitrogen, and phosphorus) caused the membrane fouling, which reduced water transport across the membrane wall. In the present work, the possibility of applying alkaline washing agents for chemical cleaning fouled PES membranes were studied.
Open Access
Separation of wastewater from carwash stations by ultrafiltration
(2022-05-22) Woźniak, Piotr; Gryta, Marek; West Pomeranian University of Technology in Szczecin
The amount of water required for washing each car depends on the type of vehicle and its equipment and is estimated in the range from 150 to 600 L Water consumption can be reduced by using the water recycling systems Carwash wastewaters contain significant amounts of contaminants such as oil and grease, surfactants, solids, nitrogen, and phosphorus Various treatment technologies have been used for the treatment of these wastewaters In the present study, the ultrafiltration process was applied for separation of effluents from carwash stations