Title:
FILTRATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/195687
Kind Code:
A1
Abstract:
This filtration device includes: a housing; a first filter chamber being an internal space in the housing; a slurry supply unit that supplies a slurry to the first filter chamber; a slurry discharge unit that discharges the slurry from the first filter chamber; a plurality of filtration units attached to the housing so as to come into contact with the first filter chamber and disposed between the slurry supply unit and the slurry discharge unit; a substitution solvent supply device that supplies a substitution solvent to a portion of the first filter chamber between the slurry supply unit and the slurry discharge unit; and a filtrate recovery device that recovers a filtrate from the filtration units. The filtration unit includes: a filtration material disposed so as to face the first filter chamber; and a second filter chamber provided on a side opposite the first filter chamber with the filter material sandwiched therebetween. The filtrate recovery device recovers the filtrate from the second filter chamber which is further on the slurry supply unit side than the portion of the first filter chamber to which the substitution solvent is supplied by the substitution solvent supply device.
Inventors:
OOMORI KAZUKI (JP)
Application Number:
PCT/JP2021/010444
Publication Date:
September 22, 2022
Filing Date:
March 15, 2021
Export Citation:
Assignee:
MITSUBISHI KAKOKI KK (JP)
International Classes:
B01D24/00; B01D24/48; B01D29/00; B01D29/60; B01D29/92
Foreign References:
| CN1557525A | 2004-12-29 | |||
| JP2015066495A | 2015-04-13 | |||
| JP2014171983A | 2014-09-22 | |||
| JPS5155067A | 1976-05-14 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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