Inhibition of scale on saline water heat exchange surfaces with

Details Inhibition of scale on saline water heat exchange surfaces with Inhibition of scale on saline water heat exchange surfaces with

1974-08-01

1976-09-21

Lutter, Frank W.

Distillation: processes, separatory

Addition of material to distilland to inhibit or prevent...

For scale inhibiting or corrosion preventing

159DIG13, 203DIG17, 210 58, 252 82, 252180, 252394, 260429J, 260534E, B01D 334, C23F 1100, C23F 1400

Patent

active

039817792

ABSTRACT:
A method for decreasing fouling of metalliferous surfaces of apparatus wherein water is evaporated from an aqueous system containing components which deposit onto the surfaces as hydrophilic foulants. The method comprises adding to the aqueous system a chelant-surfactant having a hydrophobic moiety and a chelating moiety through which the chelant-surfactant chelates with the metalliferous surfaces and provides a hydrophobic barrier to deposition of hydrophilic foulants.

REFERENCES:
patent: 2926108 (1960-02-01), Anderson
patent: 3116105 (1963-12-01), Kerst
patent: 3430641 (1969-03-01), Newman
patent: 3630927 (1971-12-01), Shen

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