Title:
EXTRACTION DEVICE AND METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2019/093057
Kind Code:
A1
Abstract:
Provided is an extraction method for extracting an extract from a mixture using liquefied gas that can dissolve the extract, the method facilitating extraction operations and enabling low cost operation. An extraction device that extracts a component dissolved in liquefied gas from material to be treated using continuous phase changes in the liquefied gas is characterized by being provided with: a compressor that feeds gas under pressure; a heat exchanger for generating liquefied gas by the gas flowing in a high temperature side flow path; a treatment tank into which the material to be treated is loaded and the liquefied gas flows; and a retention tank provided in series or in parallel to the flow path downstream of the high temperature side flow path in the heat exchanger.
Inventors:
SANO TADASHI (JP)
MIYASAKA TOORU (JP)
SEKIYA SACHIO (JP)
MIYASAKA TOORU (JP)
SEKIYA SACHIO (JP)
Application Number:
PCT/JP2018/037868
Publication Date:
May 16, 2019
Filing Date:
October 11, 2018
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
B01D11/02
Domestic Patent References:
| WO2016120952A1 | 2016-08-04 | |||
| WO2016121012A1 | 2016-08-04 | |||
| WO2016117100A1 | 2016-07-28 |
Foreign References:
| JP2016064380A | 2016-04-28 | |||
| JP2007237129A | 2007-09-20 | |||
| US20090166175A1 | 2009-07-02 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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