Ether diphosphonate scale inhibitors

Details Ether diphosphonate scale inhibitors Ether diphosphonate scale inhibitors

1996-08-13

1998-06-30

Hruskoci, Peter A.

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210700, 252180, 2523892, 25238921, 422 14, 562 13, 562 21, C02F 514

Patent

active

057728933

ABSTRACT:
The invention is a method for the prevention of scale formation on metal or other surfaces in contact with scale-forming industrial water with an effective scale-inhibiting amount of an ether 1,1-diphosphonate of the general formula: ##STR1## The invention is also a method for the prevention of corrosion on metal surfaces in contact with corrosive industrial water with an effective corrosion-inhibiting amount of an ether 1,1-diphosphonate of the same general formula. A preferred ether 1, 1-diphosphonate is 1,1, diphosphono-4,7-dioxaoctane for both methods.

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