Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1991-02-20
1992-09-01
Hruskoci, Peter
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210715, 210727, 210738, 2101953, 210205, 210220, 210802, 210803, 210522, C02F 156
Patent
active
051436256
ABSTRACT:
There is disclosed a pulsating sludge bed clarifier especially for the treatment of low turbidity waters, which uses incline plates in the sludge bed and some recirculated sludge. The clarification is greatly enhanced by recirculating a relatively small part of the sludge concentrate to a reactor chamber used for the premixing of water to be treated and the coagulant. The small amount of recirculated sludge cuts down significantly on the polymer flocculant, which is the most expensive chemical in the process that is required to be used, and can also serve to improve the adsorption of colors and similar materials, increase the density of the sludge blanket, and improve the rate of throughput of the system.
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Hruskoci Peter
Infilco Degremont
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