Method of preventing the adhesion of scale to the heating surfaces of a thermal desalination apparatus
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United States of America Patent
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-
Apr 29, 1980
Grant Date -
N/A
app pub date -
Nov 7, 1977
filing date -
Nov 11, 1976
priority date (Note) -
Expired
status (Latency Note)
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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.
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- Non-US Classification not provided for expired patents
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