Can anyone suggest a suitable media for removing surfactants or any detergents and soaps of car wash wastewater?

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Massimo Luigi Capobianco

Take a look at the following articles:

Zaneti, R. N., R. Etchepare, et al. (2013). "Car wash wastewater treatment and water reuse - a case study." Water Science and Technology 67(1): 82-88.

Abdelmoez, W., N. A. M. Barakat, et al. (2013). "Treatment of wastewater contaminated with detergents and mineral oils using effective and scalable technology." Water Science and Technology 68(5): 974-981.

Zaneti, R., R. Etchepare, et al. (2012). "More environmentally friendly vehicle washes: water reclamation." Journal of Cleaner Production 37: 115-124.

Micheal Travis

Limestone has a good capacity for phosphorus removal. Bacterial degradation of surfactants in a constructed wetland system is very effective. See my paper Decentralized wetland based treatment, and other work by A. Gross on greywater recycling or constructed wetlands for decentralized treatment.

Nad Zayadi

thanks a lot for all of the suggestions. But, im still curios, limestone have high alkalinity so i wonder how it can removing the phosphorus of the car wash wastewater