Title:
RAW-MATERIAL LIQUID CONCENTRATION SYSTEM AND CONCENTRATION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/070955
Kind Code:
A1
Abstract:
This raw-material liquid concentration system is for use in a pharmaceutical product manufacturing process, and employs a membrane-distillation method involving: bringing a raw-material liquid containing a solvent and a solute into contact with cooling water through a membrane-distillation membrane; passing the solvent in the raw-material liquid through the membrane-distillation membrane in the form of vapor; and causing the solvent to move toward the side of the cooling water, wherein the membrane-distillation membrane is a porous membrane that has a water contact angle of at least 90° at the surface thereof, has an average pore diameter of 0.02-0.5 µm, and has a porosity of 60-90%.
Inventors:
HASHIMOTO TOMOTAKA (JP)
SUGA YUKI (JP)
SUGA YUKI (JP)
Application Number:
PCT/JP2020/038370
Publication Date:
April 15, 2021
Filing Date:
October 09, 2020
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
B01D61/36; B01D69/00; B01D69/02; D01F6/00
Domestic Patent References:
| WO2018174279A1 | 2018-09-27 |
Foreign References:
| JP2019048257A | 2019-03-28 | |||
| JP2011200770A | 2011-10-13 | |||
| JP2017515662A | 2017-06-15 | |||
| JPH1175759A | 1999-03-23 |
Other References:
See also references of EP 4043092A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
Download PDF:
Previous Patent: COMPONENT SUPPLY DEVICE AND METHOD FOR DETACHING COVER TAPE
Next Patent: siRNA EXPRESSION VECTOR
Next Patent: siRNA EXPRESSION VECTOR