Title:
DROSS GENERATION SUPPRESSION METHOD, METAL REFINEMENT METHOD, AND METAL REFINEMENT APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/218237
Kind Code:
A1
Abstract:
This dross generation suppression method involves: setting an environmental atmosphere, in which a metal-containing object is placed, to a condition of having a water content less than that of the air environment of the periphery of the environmental atmosphere; and heating and melting the metal-containing object.
Inventors:
HIRAKI TAKEHITO (JP)
Application Number:
PCT/JP2020/017050
Publication Date:
October 29, 2020
Filing Date:
April 20, 2020
Export Citation:
Assignee:
UNIV TOHOKU (JP)
International Classes:
C22B19/32; C22B9/16; C22B21/06; C22B26/10; C22B26/12; C22B26/20; C22B26/22
Domestic Patent References:
| WO2005046912A1 | 2005-05-26 |
Foreign References:
| JPS62240724A | 1987-10-21 | |||
| JP2003129143A | 2003-05-08 | |||
| JP2003089825A | 2003-03-28 | |||
| JP2005059023A | 2005-03-10 | |||
| CN109055770A | 2018-12-21 | |||
| JPH10195554A | 1998-07-28 | |||
| CN102492862A | 2012-06-13 | |||
| US5917114A | 1999-06-29 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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