Method for regenerating water polishers using ammonium sulphate

Details Method for regenerating water polishers using ammonium sulphate Method for regenerating water polishers using ammonium sulphate

1983-04-19

1985-04-16

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ion-exchange polymer or process of preparing

423545, B01D 1506

Patent

active

045116750

ABSTRACT:
A process for regenerating the anion and cation exchange resins used for polishing water for steam generation allows the polishers to be operated with reduced effluent levels of sodium, chloride and sulfate to prevent corrosion of the steam turbine power plant system. In the process, both the cation and anion exchange resins are treated only with neutral or alkaline aqueous solutions including ammonium sulfate.

REFERENCES:
patent: 3846538 (1974-11-01), Renault et al.
patent: 4224142 (1980-09-01), Benedict
patent: 4284727 (1981-08-01), Boros
Chemical Abstracts, vol. 88, 1978, 88:197339p.
43rd Annual Meeting of International Water Conference, Pittsburgh, 1982.

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