Process of controlling foam which limits acids mist during...

Details Process of controlling foam which limits acids mist during... Process of controlling foam which limits acids mist during...

G - Physics

01

N

73/99

G01N 33/00 (2006.01) C25C 7/06 (2006.01) G01N 13/02 (2006.01)

Patent

CA 1312219

PC-3149 A PROCESS OF CONTROLLING FOAM WHICH LIMITS ACID MIST DURING ELECTROWINNING ABSTRACT The process for measuring foaming capacity of surfactant used in controlling acid mist production during electrowinning. The invention sends a portion of an electrolyte containing surfactant to a test chamber. The electrolyte is gasified in the test chamber to form bubbles which rise and accumulate above the electrolyte in the test chamber. The foam layer has a height proportional to the foaming capacity of the electrolyte. The height of the foam in the test chamber is measured to determine the amount of surfactant to add to the electrolyte for effective foaming in the electrolytic cell.

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