Liquid purification or separation – Processes – Including controlling process in response to a sensed condition
Patent
1982-06-28
1983-11-22
Wyse, Thomas G.
Liquid purification or separation
Processes
Including controlling process in response to a sensed condition
210759, 210908, 210904, 210916, C02F 172
Patent
active
044167865
ABSTRACT:
There is provided a continuous process for the lowering of the content of toxic materials in waste waters which also contain other oxidizable materials by quickly and continuously ascertaining the requirement of hydrogen peroxide, namely by potentiometric determination of the oxidizing agent requirement in a branched-off side-stream using a strong oxidizing agent, such as peroxymonosulfate, peroxydisulfate, permanganate, hypochlorite or ozone, which acts more quickly than hydrogen peroxide under comparable conditions.
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patent: 3843516 (1974-10-01), Yamada et al.
patent: 3970554 (1976-07-01), Fischer
patent: 4104162 (1978-08-01), Tunkermann et al.
patent: 4160656 (1979-07-01), Tunkermann
patent: 4268397 (1981-05-01), Horie et al.
patent: 4280914 (1981-07-01), Knorre et al.
patent: 4340490 (1982-07-01), Tunkermann
Fischer Joachim
Knorre Helmut
Stutzel Klaus
Degussa
Wyse Thomas G.
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