TREATMENT OF NONIONIC CELLULOSE ETHER DISSOLVED WASTE WATER

TREATMENT OF NONIONIC CELLULOSE ETHER DISSOLVED WASTE WATER

PURPOSE:To make waste water pollution-free and releasable by adding phenolic compounds to wast water in which nonionic cellulose ether is dissolved, and flocculating and separating the nonionic cellulose ether then decomposing the dissolved phenolic compounds by oxidation. CONSTITUTION:Phenolic comp...

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Hauptverfasser: NAKAMURA SHINICHIROU, MUTOO YASUAKI, ONDA YOSHIROU
Format: Patent
Sprache:eng
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CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator NAKAMURA SHINICHIROU
MUTOO YASUAKI
ONDA YOSHIROU
description PURPOSE:To make waste water pollution-free and releasable by adding phenolic compounds to wast water in which nonionic cellulose ether is dissolved, and flocculating and separating the nonionic cellulose ether then decomposing the dissolved phenolic compounds by oxidation. CONSTITUTION:Phenolic compounds represented by polyhydric phenols such as tannic acids are added to industrial waste water dissolved with nonionic cellulose ether such as methly cellulose, to flocculate, settle and separate the nonionic cellulose ether. Since the pheolic compound counted in COD remain in the residual wast water, a hypochlorous acid or chloric acid type oxide is added thereto to decomposed the phenolic compounds such as tannic acids by oxidation, whereby the waste water is made pollution-free.
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CONSTITUTION:Phenolic compounds represented by polyhydric phenols such as tannic acids are added to industrial waste water dissolved with nonionic cellulose ether such as methly cellulose, to flocculate, settle and separate the nonionic cellulose ether. 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subjects CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title TREATMENT OF NONIONIC CELLULOSE ETHER DISSOLVED WASTE WATER
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