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Abstract

The water treatment apparatus utilizes membrane separation technology to separate clean product water from a contaminated water source. Chemical pretreatment of the raw feed water, chemical cleaning of the membrane separator(s), and chemical treatment of the final recovered product water required by conventional membrane separation apparatus are eliminated in the water treatment apparatus. The water treatment apparatus may treat raw feed ground water and surface water sources as well as waste water sources including those exhibiting oily wastes, high metal levels, organic wastes from sources such as textile processing, sewage waste streams, food processing, and others. The water treatment apparatus also reduces the problems associated with recirculation of the waste stream, reduces water wastage, and provides advantages in power and horsepower requirements. The water treatment apparatus comprises an external pressurized raw water source, a raw water inlet, a raw water filter, a main drive pump, a valve arrangement, water treatment means, an inverse flush system having a product accumulator tank and a inverse flow pump, a pair of separation tanks, a recirculation pump set, treated water output storage means, an external fast flush water supply, and a waste water discharge. Ducting connects these components and communicates water therebetween.

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