Apparatus and process for detecting free chlorine

Details Apparatus and process for detecting free chlorine Apparatus and process for detecting free chlorine

1980-09-19

1982-04-06

Nilson, Robert G.

Fluid handling

Processes

With control of flow by a condition or characteristic of a...

75165, 137 93, 204293, 210 961, 210169, 210743, G05D 1108

Patent

active

043230920

ABSTRACT:
Apparatus and process are provided for measuring and monitoring the free active chlorine content of an aqueous solution. Regulation of the addition of chlorinating substances to maintain a desired chlorine level in drinking or bathing water is further provided. The apparatus preferably utilizes a measuring cell having electrodes comprised of a gold-nickel metallic alloy wherein gold is contained in an amount 90-97% by weight and nickel in an amount of 10-3% by weight. The measuring cell is connected to an electrical comparison circuit which controls a regulator or magnetic valve, in order to control the flow of active chlorine into the system.

REFERENCES:
patent: 2370871 (1945-03-01), Marks
patent: 2851655 (1958-09-01), Haddad
patent: 3222264 (1965-12-01), Nesh
patent: 3430129 (1969-02-01), Cardeiro
patent: 3956094 (1976-05-01), Capuano
patent: 4005004 (1977-01-01), Seko
patent: 4033871 (1977-07-01), Wall
patent: 4127468 (1978-11-01), Alfenaar

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