PROCESSING METHOD AND PROCESSING APPARATUS OF OILY WASTE WATER

PROCESSING METHOD AND PROCESSING APPARATUS OF OILY WASTE WATER

PROBLEM TO BE SOLVED: To provide a processing method and a processing apparatus for oily waste water, capable of efficiently removing oil at a low cost from water to be processed having at least part of the oil emulsified.SOLUTION: A processing method for removing oil from water to be processed cont...

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Hauptverfasser: KOJIMA KEISUKE, TAZAKI MASAHARU
Format: Patent
Sprache:eng ; jpn
Schlagworte:
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator KOJIMA KEISUKE
TAZAKI MASAHARU
description PROBLEM TO BE SOLVED: To provide a processing method and a processing apparatus for oily waste water, capable of efficiently removing oil at a low cost from water to be processed having at least part of the oil emulsified.SOLUTION: A processing method for removing oil from water to be processed containing the oil and having at least part of the oil emulsified includes a pretreatment step for subjecting the emulsion formed in the water to be processed to oil-water separation and a coagulation step for adding a coagulant to the water to be processed to form a floc containing the oil in the water to be processed.SELECTED DRAWING: Figure 1 【課題】油分の少なくとも一部がエマルジョンを形成した被処理水から、油分を効率よく安価に除去することが可能な含油廃水の処理方法及び処理装置を提供する。【解決手段】油分を含み、且つ、該油分の少なくとも一部がエマルジョンを形成した被処理水から油分を除去する処理方法であり、被処理水に塩を添加することで、被処理水中に形成されたエマルジョンを油水分離する前処理工程と、被処理水に凝集剤を添加することにより、被処理水中に油分を含むフロックを形成する凝集処理工程と、を順次備える。【選択図】図１
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subjects CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title PROCESSING METHOD AND PROCESSING APPARATUS OF OILY WASTE WATER
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