C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 5/14 (2006.01) C02F 1/04 (2006.01) C02F 1/72 (2006.01)
Patent
CA 2283522
The present invention is a process of treating aqueous systems to prevent precipitation of dissolved metal ion species, for example, Ca, Mg, Ba, Cu, Fe, Mn and Zn. This has the effect of preventing scale and/or stain formation. The process involves introducing 0.5 to 15000 ppm (or mg/liter) of a synergistic mixture of HEDP and DETPMP into the aqueous system to be treated.
Failon Brian K.
Gabriel Robert G.
Albright & Wilson Americas Inc.
Rhodia Inc.
Sim & Mcburney
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