Orthophosphate-containing desalination scale inhibitors

Details Orthophosphate-containing desalination scale inhibitors Orthophosphate-containing desalination scale inhibitors

1985-09-25

1987-01-06

Hruskoci, Peter

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

203 7, 210639, 210698, 210699, 210701, 252181, C02F 510

Patent

active

046345329

ABSTRACT:
The instant invention is directed to a process for the control of scale formation and deposition in thermal or reverse osmosis membrane desalination plants, comprising adding to the water 0.1 to 100 ppm of (a) a water soluble orthophosphate and (b) at least one compound selected from the group consisting of water soluble polycarboxylates, phosphonates, phosphates, sulfonates and polyamides.

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