Method of removing phosphates from waste water

Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...

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210907, C02C 502

Patent

active

042280036

ABSTRACT:
Removal of phosphates from waste water can be attained with improved efficiency and at low cost by admixing the waste water with seawater and adjusting the mixture to pH 9-11 to separate the sedimental phosphates. The sediment can be utilized as phosphatic fertilizer.

REFERENCES:
patent: 3522171 (1970-07-01), Spiegel et al.
patent: 3716484 (1973-02-01), Lincoln et al.
patent: 4017388 (1977-04-01), Albertson
patent: 4098689 (1978-07-01), Kobayashi et al.

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