On-line filtration of potassium permanganate solutions

Details On-line filtration of potassium permanganate solutions On-line filtration of potassium permanganate solutions

B - Operations, Transporting

08

B

149/2

B08B 7/04 (2006.01) B01D 35/14 (2006.01) B01D 35/26 (2006.01) C01G 45/02 (2006.01) C01G 45/12 (2006.01) H05K 3/00 (2006.01)

Patent

CA 1283031

Abstract of the Disclosure A system and method are provided for the on-line filtration of potassium permanganate desmearing solution. The solution, with manganese dioxide precipitate, is continuously pumped from a desmearing tank so the precipitate can be removed. The system has piping resistant to any chemical corrosion that either the solution or the precipitate may cause. An air-driven diaphragm pump is used to pump the solution-precipitate mixture through the system. A multi-tube filter unit removes the precipitate from the mixture. The filtered, precipitate-free, solution is then returned to the desmearing tank.

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