Preparation of anionic polymers for use as scale inhibitors and

Details Preparation of anionic polymers for use as scale inhibitors and Preparation of anionic polymers for use as scale inhibitors and

1976-10-26

1978-02-07

Wyse, Thomas G.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

203 7, 252180, C02B 506

Patent

active

040726070

ABSTRACT:
An anionic polymer of acrylamide having a skewed molecular weight distribution such that about 60% of said polymer has a molecular weight of about 500 to 2,000 and about 10% of said polymer has a molecular weight of about 4,000 to 12,000 has been discovered. The process of manufacturing this skewed molecular weight distribution anionic polymer is described. Its use as a scale inhibitor for controlling the deposition of adherent scales on the walls of vessels or pipes, and as an anti-precipitant for keeping alkaline earth cations in solution is also described. The use of the anionic polymer of acrylamide consisting of a skewed molecular weight could be used in recirculating water systems, boilers, and in evaporative and reverse osmosis desalination systems.

REFERENCES:
patent: 3463730 (1969-08-01), Booth et al.
patent: 3589998 (1971-06-01), Rice et al.
patent: 3663448 (1972-05-01), Ralston

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