Liquid purification or separation – Processes – Chemical treatment
Patent
1995-03-27
1996-02-20
Nessler, Cynthia L.
Liquid purification or separation
Processes
Chemical treatment
210763, 210908, 210909, C02F 172, C02F 178
Patent
active
054926335
ABSTRACT:
A process for the treatment of water with ozone in which trace amounts of organic substances contained in water to be treated are oxidized and decomposed by diffusing ozone into the water introduced into a reaction tank, by injecting a chelate compound into the water to be treated after or just before the introduction of the water into the reaction tank. Preferred chelate compounds include ethylenediaminetetraacetic acid disodium salt, ethylenediaminetetraacetic acid calcium salt, ethylenediaminetetraacetic acid magnesium salt, ethylenediaminetetraacetic acid iron salt and iron citrate.
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Moniwa Takeo
Morioka Takayuki
Motoyama Nobuyuki
Okada Mitsumasa
Shimizu Yasuji
Fuji Electric & Co., Ltd.
Nessler Cynthia L.
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