Liquid purification or separation – Processes – Chemical treatment
Patent
1995-04-26
1997-09-09
Langel, Wayne
Liquid purification or separation
Processes
Chemical treatment
210752, 423579, C01B 1302
Patent
active
056652461
ABSTRACT:
A process wherein a particulate catalyst, which is disposed in at least two serially connected beds, is contacted by a hypochlorite containing liquid to decompose the hypochlorite and evolve oxygen is improved by arranging that the liquid flows in a direction counter to that of the evolved oxygen in each of the beds. The efficiency with which the hypochlorite is decomposed is greater than when the liquid is in cocurrent or alternating co and counter current flow.
REFERENCES:
patent: 4963341 (1990-10-01), Huxtable et al.
patent: 5039429 (1991-08-01), Laundon et al.
Patent Abstracts of Japan, vol. 4, No. 65 (May 1980) & JP,A,55 031 423 (Mar. 1980) see abstract.
Imperial Chemical Industries plc
Langel Wayne
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