Water treatment to reduce fog levels controlled with streaming c

Details Water treatment to reduce fog levels controlled with streaming c Water treatment to reduce fog levels controlled with streaming c

1992-09-15

1993-09-21

Drodge, Joseph W.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210 85, 210 961, 2101981, 210708, 210709, 210746, 324453, B01D 1704

Patent

active

052465900

ABSTRACT:
A system is disclosed for controlling the amount of treatment composition, e.g., cationic coagulant, to be introduced into an aqueous medium, e.g., a laundry waste water, having a content of non-solid fats, oils and/or grease (FOG) which is to be reduced. This system comprises a detector adapted to determine the electric charge value of a material comprising the aqueous medium having a FOG which is to be reduced and to provide a signal indicative of this electric charge value and an automatic processor provided with a relationship of the amount of treatment composition to be introduced into the aqueous medium to reduce the FOG of the aqueous medium to a given level as a function of the signal, and adapted to receive the signal and to provide a control signal to a source of treatment composition to control the amount of treatment composition introduced from the source of treatment composition into the aqueous medium.

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patent: 4882069 (1989-11-01), Pohoreski
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patent: 5167829 (1992-12-01), Diamond et al.
patent: 5200086 (1993-04-01), Shah et al.
"An On-Line Monitor for Flocculation Control", Brown et al, pp. 239-245, Publishing date unknown.

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