| 摘要 |
<p>A process for treating water comprises adding to the water (a) from 1 to 50 ppm of a phosphonium compound of the formula: in which R represents C1-C6 alkyl groups which are unsubstituted or substituted by a cyano, hydroxy, esterified hydroxy or aryl group, R1 represents a C8-C18 alkyl group and X represents chlorine or bromine, and optionally (b) from 0.1 to 100 ppm of an anionic water treatment agent such as a scale or corrosion inhibiting agent.</p> |
