Patent ID: 9227862
Filing Date: 2016-01-05
CPC Classification: B01D,C02F,C25B

Claim Text:
1. A water chlorination process comprising the steps of: (a) flowing a water stream to be chlorinated in an upward direction along an outside surface of a cathode; (b) flowing a portion of the water stream into an anode compartment, wherein the anode compartment is substantially surrounded by a porous diaphragm; (c) energizing the cathode and one or more anodes and thereby forming and accumulating hydrochloric acid in the anode compartment; (d) stopping the flow of the water stream and denergizing the cathode and one or more anodes; (e) diffusing a portion of the accumulated hydrochloric acid from the anode compartment, through the porous diaphragm, into the cathode compartment and thereby reacting or dissolving calcareous deposits formed on the cathode.