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Abstract Paper 17 |

Vazquez, C.; Alfonsin, G.; Mohr, K.; A NEW HIGH EFFICIENCY AUTOMATIC CAR WASH RECYCLING SYSTEM, WEF Industrial Wastes Technical Conference: Indianapolis, Indiana, 1999.

Abstract:                                                                                                full text pdf

A new system has been developed in Spain for recycling of water from automatic car washing systems. The recycled water is of very good quality and very suitable for reuse. Detergent use is reduced as well.

The system combines gross physical separation of the oil and solid particles using a plate separator system, fine separation of solids with an automatic filter system, and ozone treatment for disinfection and odor control. Other systems recycle water, but do not remove oil and solids as well.

Over 150 systems have been installed. The initial test system has washed over 6000 cars and is operating at about 75% water recycle (most of the non-recycled water leaves the carwash as a water film on the cars) and about 70% reduction in detergent use.

The system is a good tool for water conservation in desert climates or other situations where water conservation is important. It is expected that this system may be useful at airports and truckstops for equipment washing as well as for automobile washing.

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