ALKALINE WASTEWATER TREATMENT METHOD, ALKALINE WASTEWATER TREATMENT DEVICE, WASTE OIL TREATMENT METHOD, AND WASTE OIL TREATMENT DEVICE

PROBLEM TO BE SOLVED: To provide an alkaline wastewater treatment method which can reduce the concentration of PCB included in alkaline wastewater.SOLUTION: The present invention provides an alkaline wastewater treatment method and the like comprising: mixing alkaline wastewater comprising polychlor...

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Bibliographische Detailangaben
Hauptverfasser: GOTO YUKIHIRO, TACHIMI TOMOYUKI, OGURA MASAHIRO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an alkaline wastewater treatment method which can reduce the concentration of PCB included in alkaline wastewater.SOLUTION: The present invention provides an alkaline wastewater treatment method and the like comprising: mixing alkaline wastewater comprising polychlorobiphenyl and phenols with acids to prepare an acid mixture liquid; and separating the acid mixture liquid into an aqueous phase and a phenol phase.SELECTED DRAWING: Figure 1 【課題】本発明は、アルカリ性廃水に含まれるPCBの濃度を低減することができるアルカリ性廃水処理方法を提供する。【解決手段】本発明は、ポリ塩化ビフェニル及びフェノール類を含有するアルカリ性廃水と、酸とを混合して、酸混合液を作製することと、該酸混合液を水相とフェノール類相とに分離することとを備える、アルカリ性廃水処理方法等である。【選択図】 図1