Desalination scale inhibitors

Details Desalination scale inhibitors Desalination scale inhibitors

2011-01-04

2011-01-04

Hruskoci, Peter A (Department: 1797)

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

C203S007000, C210S701000, C252S180000

Reexamination Certificate

active

07862727

ABSTRACT:
A method and composition for processing natural water such as seawater, brackish, and estuarine water wherein the water is concentrated with or without heating comprising adding to the water (I) a water-soluble polymeric phosphonate and (II) a water-soluble polycarboxylate to control scale formation and deposition. Optionally a water -soluble poly[isopropenylphosphonic acid] can also be utilized as component (I) without the addition of component (II).

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patent: 6071434 (2000-06-01), Davis et al.

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