Method for preventing scale formation and corrosion in circulati

Details Method for preventing scale formation and corrosion in circulati Method for preventing scale formation and corrosion in circulati

1996-08-09

1999-09-07

Henderson, Christopher

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

252180, 526280, 526287, C02F 512, C02F 510

Patent

active

059482680

ABSTRACT:
An agent for water treatment comprises a water-soluble polymer obtained by polymerizing a monomer component containing a water-soluble monomer capable of dissolving in water of 50.degree. C. in the amount of 1 weight % or more, having an ethylenically unsaturated group, and exhibiting fluorescence. The water-soluble polymer has a ratio of fluorescence intensity FL.sub.1 /FL.sub.2 larger than 1, wherein FL.sub.1 is an intensity of fluorescence obtained in dissolving a water-soluble polymer in a concentration of 10 ppm in pure water, and FL.sub.2 is an intensity of fluorescence obtained in dissolving phenol in a concentration of 0.1 ppm in pure water.

REFERENCES:
patent: 4200563 (1980-04-01), Komiya
patent: 5126108 (1992-06-01), Leighton

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