C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 5/12 (2006.01) C02F 5/10 (2006.01) C02F 5/14 (2006.01)
Patent
CA 2060627
-37- ABSTRACT This invention relates to a method of transporting and inhibiting the deposition of copper and copper-iron materials on heat transfer devices in steam generating systems. This method utilizes a thermally stable chelant and a carboxylated polymeric dispersant as the treatment agents. Representative chemicals are 1,10-phenanthroline and 9:1 methacrylic acid/acrylic acid copolymer.
Mcdonald Alexander C.
Moulton Roger D.
Soos James L.
Betz Laboratories Inc.
Borden Ladner Gervais Llp
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