Title:
Ｓｎの除去方法およびＰｂの製造方法
Document Type and Number:
Japanese Patent JP7126972
Kind Code:
B2
Abstract:
To provide a removal method of Sn and a manufacturing method of Pb, which can suppress an amount of impurity mixing in an Sn scum.SOLUTION: A removal method of Sn comprises, in Harris furnace, the steps of: soda treatment of performing a soda treatment to a molten crude Pb metal and; removal for removing the Sn scum by scooping with a second network having a smaller mesh than a first network, after scooping the Sn scum occurring in the soda treatment with a first network having a larger mesh.SELECTED DRAWING: Figure 2
Inventors:
Takuma Takei
Eiki Ono
Shojiro Usui
Numata Makoto
Eiki Ono
Shojiro Usui
Numata Makoto
Application Number:
JP2019047633A
Publication Date:
August 29, 2022
Filing Date:
March 14, 2019
Export Citation:
Assignee:
JX Nippon Mining & Metals Co., Ltd.
International Classes:
C22B13/02; C22B7/04; C22B9/10; C22B13/06; C25C3/34
Domestic Patent References:
| JP2011214021A | ||||
| JP2013234356A | ||||
| JP2018059210A | ||||
| JP2019157240A |
Attorney, Agent or Firm:
Shuhei Katayama
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