How to remove nitrate from activated carbon filter in water system?

Metal modified activated carbon fiber electrode and method for removing nitrate by using the electrode

Application number/patent number:

2004 10098590

The invention discloses an electrode for removing nitrate in water and a method for removing nitrate in water by using the electrode, and belongs to the technical application field of water treatment. In the invention, noble metals such as palladium, platinum, gold, rhodium, ruthenium and other non-noble metal particles such as copper, tin, indium, zinc and silver are used to modify the activated carbon fiber to prepare an electrode capable of reducing nitrate in water. Using this electrode as cathode, graphite, lead oxide and other inert conductive materials as anode, the cathode and anode are separated by proton exchange membrane, and nitrate is reduced under charged condition. The electrode of the invention has low manufacturing cost and high activity; The method for removing nitrate in water is simple in operation and convenient in management, and is suitable for small-scale and dispersed water supply treatment.

Date of application:

2004 65438+ February 65438+ May

Open day:

June 2, 20061

Date of authorization announcement:

Applicant/patentee:

China academy of sciences ecology environment science research center

Address of the applicant:

No.0/8, Shuangqing Road, Haidian District, Beijing

Inventor:

Qu Jiuhui; Wang Ying; Wu Rongcheng; Liu Huijuan; Ray Ju Peng

Patent agency:

Agent:

Patent type:

patent of invention

Classification number:

c25b 1 1/08; C02F 1/46 1