Process for cleaning wash water

Details Process for cleaning wash water Process for cleaning wash water

2006-09-19

2006-09-19

Hruskoci, Peter A. (Department: 1724)

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

C134S025100, C210S727000, C210S728000, C210S906000, C210S912000

Reexamination Certificate

active

07108792

ABSTRACT:
Agents are used as cleaning agents and also as agents to purify the water in water treatment plants. The agents are a mixture of phosphates and fatty acid salts. Precipitation agents are used such as, polyvalent metals. The pH is adjusted. Flocking agents can be used to increase the rate of separation. The purified water is removed after precipitation.

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patent: 6632291 (2003-10-01), Rabon et al.
patent: 6926837 (2005-08-01), Schwetlick

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