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

Title:

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

Document Type and Number:

Japanese Patent JP2017164708

Kind Code:

A

Abstract:

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

Inventors:

GOTO YUKIHIRO
TACHIMI TOMOYUKI
OGURA MASAHIRO

Application Number:

JP2016053937A

Publication Date:

September 21, 2017

Filing Date:

March 17, 2016

Export Citation:

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Assignee:

KOBELCO ECO-SOLUTIONS CO LTD

International Classes:

C02F1/26; B01D11/04; C10G19/02; C10M137/04

Attorney, Agent or Firm:

Noboru Fujimoto
Hiroaki Nakatani
Shinji Nitto

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