Title:
LIQUID-LIQUID EXTRACTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/255390
Kind Code:
A1
Abstract:
A liquid-liquid extraction device which is capable of efficiently extracting and has a simple structure while having comparatively few installation location restrictions and keeping the height of the extraction columns low. A liquid-liquid extraction device of the multiple column type which has a plurality of extraction columns, said device being characterized in that: n number (n is an integer of 2 or higher) of extraction columns are positioned in parallel with one another; each extraction column has a heavy liquid supply unit on the column top section side thereof and a heavy liquid discharge unit on the column bottom section side thereof, and has a light liquid supply unit on the column bottom section side thereof and a light liquid discharge unit on the column top section side thereof; the heavy liquid channels of the n number of extraction columns are connected in series; two or more of the n number of extraction columns are respectively connected via corresponding pipes to diaphragm chambers having a sealed space, one part of the wall surface of which is formed from the diaphragm and which changes in volume as a result of drive unit operation; and a switching valve and a pressure-regulating chamber capable of adjusting internal pressure are provided to the pipes between each of the extraction columns and the corresponding diaphragm chambers.
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Inventors:
OHNO JUNYA (JP)
ISHIZAWA HIDEKI (JP)
TAKEYAMA TOMOKIYO (JP)
ODA AKIYOSHI (JP)
TAKAHASHI HIROAKI (JP)
NAKASHIMA KOUJI (JP)
NOUMI TADASHI (JP)
FUJITA TOMOYA (JP)
IWAFUNE MITSUHIRO (JP)
SUZUKI TAKAO (JP)
ISHIZAWA HIDEKI (JP)
TAKEYAMA TOMOKIYO (JP)
ODA AKIYOSHI (JP)
TAKAHASHI HIROAKI (JP)
NAKASHIMA KOUJI (JP)
NOUMI TADASHI (JP)
FUJITA TOMOYA (JP)
IWAFUNE MITSUHIRO (JP)
SUZUKI TAKAO (JP)
Application Number:
PCT/JP2022/022233
Publication Date:
December 08, 2022
Filing Date:
May 31, 2022
Export Citation:
Assignee:
REFINE HOLDINGS CO LTD (JP)
International Classes:
B01D11/04
Foreign References:
| US3174831A | 1965-03-23 | |||
| JPS5594632A | 1980-07-18 | |||
| JPH01299603A | 1989-12-04 | |||
| JP2018015754A | 2018-02-01 |
Attorney, Agent or Firm:
NAKAJIMA Yuki (JP)
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