Polymer dispersants and methods of use in a nuclear steam genera

Details Polymer dispersants and methods of use in a nuclear steam genera Polymer dispersants and methods of use in a nuclear steam genera

1996-07-10

1999-01-26

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Corrosion or damage prevention

210701, 5253297, G21C 1900

Patent

active

058645969

ABSTRACT:
A novel high-purity polymer dispersant and sludge conditioner added to the feedwater entering the secondary side of a nuclear steam generator for minimizing the accumulation of metal-oxide deposits within the nuclear steam generator during the continuing operation of the generator is disclosed. The high-purity polymer is selected from a group consisting of acrylic acid polymer, methacrylic acid polymer, acrylate polymer, methacrylate polymer, copolymers, and terpolymers, acrylate/acrylamide copolymer, acrylate/methacrylate copolymer, terpolymers, and mixtures thereof. Methods of making and applying the polymer dispersant and sludge conditioner are described. Means for removing the metal oxides and polymer from the blowdown stream are disclosed.

REFERENCES:
patent: 4457847 (1984-07-01), Lorenc et al.
patent: 4764337 (1988-08-01), Panson
patent: 4895696 (1990-01-01), Bellows

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