Method of preventing the adhesion of scale to the heating surfac

Details Method of preventing the adhesion of scale to the heating surfac Method of preventing the adhesion of scale to the heating surfac

1977-11-07

1980-04-29

Wyse, Thomas G.

Distillation: processes, separatory

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

For scale inhibiting or corrosion preventing

159DIG13, 210 58, 252180, C02B 506

Patent

active

042005000

ABSTRACT:
The reaction product of long-chain unsaturated hydrocarbons (fatty derivatives) with maleic acid anhydride and/or maleic acid is added to the salt-containing water of a thermal desalination installation to increase the solubility of the calcium and magnesium salts and prevent encrustation of heating surfaces thereby.

REFERENCES:
patent: 2839550 (1958-06-01), Wiggerink et al.
patent: 3715307 (1973-02-01), Johnson et al.
patent: 3810834 (1974-05-01), Jones et al.
patent: 3974083 (1976-08-01), Suen et al.
patent: 4020000 (1977-04-01), Suen et al.
patent: 4048065 (1977-09-01), Suen et al.

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