METHOD OF REMOVING ICE FROM ICE-CONTAINING MATERIAL WITH USE OF LIQUEFIED SUBSTANCE - CENTRAL RESEARCH INSTITUTE OF ELECTRIC POWER INDUSTRY

Title:

METHOD OF REMOVING ICE FROM ICE-CONTAINING MATERIAL WITH USE OF LIQUEFIED SUBSTANCE

Document Type and Number:

WIPO Patent Application WO/2007/111269

Kind Code:

A1

Abstract:

A method of removing ice, and ice removing system, which irrespective of the form of ice contained or the content thereof, are applicable to various ice-containing materials and attain efficient ice removal in high recovery ratio within a short period of time. There is provided a method of removing ice from an ice-containing material with the use of a liquefied substance, characterized by including the step (1) of bringing into contact with an ice-containing material a substance resulting from liquefaction of a substance being a gas under ordinary temperature ordinary pressure conditions so as to cause the liquefied substance to dissolve the ice of the ice-containing material, thereby obtaining a liquefied substance of high water content, and the step (2) of vaporizing the substance being a gas under ordinary temperature ordinary pressure conditions contained in the liquefied substance of high water content to thereby separate the substance in the form of a gas from the water. Further, there is provided a system for removing ice from ice-containing material with the use of the above substance, characterized by including, connected in series, a compressor, condenser, dehydrator, evaporator and separator.

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Inventors:

KANDA, Hideki (Central Research Institute Of Electric Power Industry 2-6-1, Nagasaka, Yokosuka-sh, Kanagawa 96, 2400196, JP)

Application Number:

JP2007/056089

Publication Date:

October 04, 2007

Filing Date:

March 23, 2007

Export Citation:

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Assignee:

CENTRAL RESEARCH INSTITUTE OF ELECTRIC POWER INDUSTRY (6-1 Otemachi 1-chome, Chiyoda-ku Tokyo, 26, 1008126, JP)
財団法人電力中央研究所 (〒26 東京都千代田区大手町１丁目６番１号 Tokyo, 1008126, JP)

International Classes:

B01D11/02; F26B5/00; B01D11/02; F26B5/00

Attorney, Agent or Firm:

SAKAI, Hiroaki (Sakai International Patent Office, Kasumigaseki Building 2-5, Kasumigaseki 3-chome, Chiyoda-k, Tokyo 19, 1006019, JP)

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