Electrochemical water treatment system and method
AssigneeBl Technologies, Inc.
InventorsZijun Xia, Qunjian Huang, Chihyu Caroline Sui, Jianhua Fang, Xiaoan Xie
Life of this patent
Estimating the term…
Abstract
A water treatment system comprises an electrolytic cell comprising: a first electrode; a second electrode comprising a coating of polymer comprising structural units of formula I and a power source for powering the first and the second electrodes; wherein R1 is independently at each occurrence a C1-C6 alkyl radical or —SO3H; R2 is independently at each occurrence a C1-C6 alkyl radical; a is independently at each occurrence an integer ranging from 0 to 4; and b is independently at each occurrence an integer ranging from 0 to 3. An associated method is also described.
Claims20
A water treatment system comprising:
- an electrolytic cell comprising:
- a first electrode;
- a second electrode comprising an activated carbon substrate and a coating of polymer comprising structural units of formula I
- and
- a power source for powering the first and the second electrodes;
- wherein
- R1 is independently at each occurrence a C1-C6 alkyl radical or —SO3H;
- R2 is independently at each occurrence a C1-C6 alkyl radical;
- a is independently at each occurrence an integer ranging from 0 to 4;
- and
- b is independently at each occurrence an integer ranging from 0 to 3.
A method, comprising:
- passing an electric current through an aqueous solution of an electrolyte;
- oxidizing at least a portion of anions of the aqueous solution to produce oxidation products;
- reducing at least some oxygen gas to produce hydroxide ions;
- transporting the hydroxide ions into proximity with the oxidation products through an activated carbon substrate and a coating of a polymer comprising structural units of formula
- to react with the oxidation products and cations of the aqueous solution to produce hypochlorite;
- and
- providing said hypochlorite to water to control levels of microorganisms;
- wherein
- R1 is independently at each occurrence a C1-C6 alkyl radical or —SO3H;
- R2 is independently at each occurrence a C1-C6 alkyl radical;
- a is independently at each occurrence an integer ranging from 0 to 4;
- and
- b is independently at each occurrence an integer ranging from 0 to 3.
Dependencies are inferred from the claim text.