C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
149/13, 149/19
C09K 13/00 (2006.01) C23G 1/02 (2006.01) C23G 1/06 (2006.01)
Patent
CA 1118667
Abstract Sulfide-containing scale is removed from metal surfaces by contacting the scale encrusted metal surface with an aqueous acid cleaning solution having an aldehyde dissolved or dispersed in the acid in an amount sufficient to prevent the evolution of hydrogen sulfide gas.
341239
Coffey Mitchael D.
Frenier Wayne W.
Huffines James D.
Smith Donald C.
Hydrochem Industrial Services Inc.
Smart & Biggar
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