REMOVAL METHOD OF Sn AND MANUFACTURING METHOD OF Pb
To provide a removal method of Sn and a manufacturing method of Pb, capable of suppressing impurities contamination amount to Sn scum.SOLUTION: A removal method of Sn includes a Harris treatment process for repeating one or more of a series of a process for conducting a soda treatment on a melting c...
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| creator | YOKOTA TAKUYA TAKEI TAKUMA ONO EIKI |
| description | To provide a removal method of Sn and a manufacturing method of Pb, capable of suppressing impurities contamination amount to Sn scum.SOLUTION: A removal method of Sn includes a Harris treatment process for repeating one or more of a series of a process for conducting a soda treatment on a melting crude Pb metal in a Harris furnace, a process for separating a Sd scum generated by the soda treatment; and a recovery process for recovering a part of purified Pb metal obtained in the Harris treatment process with remaining a part of the purified Pb metal, in which the soda treatment is conducted on the melting crude Pb metal obtained by mixing the remaining purified Pb metal and crude Pb metal in the Harris furnace when next Harris treatment process is initiated.SELECTED DRAWING: Figure 1
【課題】 Ｓｎスカムへの不純物混入量を抑制することができるＳｎの除去方法およびＰｂの製造方法を提供する。【解決手段】 Ｓｎの除去方法は、ハリス炉において、溶融粗Ｐｂメタルに対してソーダ処理を行う行程と、前記ソーダ処理で発生するＳｎスカムを分離する工程と、を含む一連の工程を１以上繰り返すハリス処理工程と、前記ハリス処理工程で得られる精製Ｐｂメタルの一部を前記ハリス炉に残して回収する回収工程と、を含み、次回のハリス処理工程を開始する際に、前記ハリス炉に残った精製Ｐｂメタルと粗Ｐｂメタルとを混合して得られる溶融粗Ｐｂメタルに対してソーダ処理を行うことを特徴とする。【選択図】 図１ |
| format | Patent |
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【課題】 Ｓｎスカムへの不純物混入量を抑制することができるＳｎの除去方法およびＰｂの製造方法を提供する。【解決手段】 Ｓｎの除去方法は、ハリス炉において、溶融粗Ｐｂメタルに対してソーダ処理を行う行程と、前記ソーダ処理で発生するＳｎスカムを分離する工程と、を含む一連の工程を１以上繰り返すハリス処理工程と、前記ハリス処理工程で得られる精製Ｐｂメタルの一部を前記ハリス炉に残して回収する回収工程と、を含み、次回のハリス処理工程を開始する際に、前記ハリス炉に残った精製Ｐｂメタルと粗Ｐｂメタルとを混合して得られる溶融粗Ｐｂメタルに対してソーダ処理を行うことを特徴とする。【選択図】 図１</description><language>eng ; jpn</language><subject>APPARATUS THEREFOR ; CHEMISTRY ; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ; FERROUS OR NON-FERROUS ALLOYS ; METALLURGY ; PRETREATMENT OF RAW MATERIALS ; PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS ; PRODUCTION AND REFINING OF METALS ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2019</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190919&DB=EPODOC&CC=JP&NR=2019157240A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190919&DB=EPODOC&CC=JP&NR=2019157240A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YOKOTA TAKUYA</creatorcontrib><creatorcontrib>TAKEI TAKUMA</creatorcontrib><creatorcontrib>ONO EIKI</creatorcontrib><title>REMOVAL METHOD OF Sn AND MANUFACTURING METHOD OF Pb</title><description>To provide a removal method of Sn and a manufacturing method of Pb, capable of suppressing impurities contamination amount to Sn scum.SOLUTION: A removal method of Sn includes a Harris treatment process for repeating one or more of a series of a process for conducting a soda treatment on a melting crude Pb metal in a Harris furnace, a process for separating a Sd scum generated by the soda treatment; and a recovery process for recovering a part of purified Pb metal obtained in the Harris treatment process with remaining a part of the purified Pb metal, in which the soda treatment is conducted on the melting crude Pb metal obtained by mixing the remaining purified Pb metal and crude Pb metal in the Harris furnace when next Harris treatment process is initiated.SELECTED DRAWING: Figure 1
【課題】 Ｓｎスカムへの不純物混入量を抑制することができるＳｎの除去方法およびＰｂの製造方法を提供する。【解決手段】 Ｓｎの除去方法は、ハリス炉において、溶融粗Ｐｂメタルに対してソーダ処理を行う行程と、前記ソーダ処理で発生するＳｎスカムを分離する工程と、を含む一連の工程を１以上繰り返すハリス処理工程と、前記ハリス処理工程で得られる精製Ｐｂメタルの一部を前記ハリス炉に残して回収する回収工程と、を含み、次回のハリス処理工程を開始する際に、前記ハリス炉に残った精製Ｐｂメタルと粗Ｐｂメタルとを混合して得られる溶融粗Ｐｂメタルに対してソーダ処理を行うことを特徴とする。【選択図】 図１</description><subject>APPARATUS THEREFOR</subject><subject>CHEMISTRY</subject><subject>ELECTROLYTIC OR ELECTROPHORETIC PROCESSES</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>METALLURGY</subject><subject>PRETREATMENT OF RAW MATERIALS</subject><subject>PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS</subject><subject>PRODUCTION AND REFINING OF METALS</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAOcvX1D3P0UfB1DfHwd1Hwd1MIzlNw9HNR8HX0C3VzdA4JDfL0c0eSDkjiYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxXgFGBoaWhqbmRiYGjsZEKQIA3xQnaA</recordid><startdate>20190919</startdate><enddate>20190919</enddate><creator>YOKOTA TAKUYA</creator><creator>TAKEI TAKUMA</creator><creator>ONO EIKI</creator><scope>EVB</scope></search><sort><creationdate>20190919</creationdate><title>REMOVAL METHOD OF Sn AND MANUFACTURING METHOD OF Pb</title><author>YOKOTA TAKUYA ; TAKEI TAKUMA ; ONO EIKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2019157240A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2019</creationdate><topic>APPARATUS THEREFOR</topic><topic>CHEMISTRY</topic><topic>ELECTROLYTIC OR ELECTROPHORETIC PROCESSES</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>METALLURGY</topic><topic>PRETREATMENT OF RAW MATERIALS</topic><topic>PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS</topic><topic>PRODUCTION AND REFINING OF METALS</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>YOKOTA TAKUYA</creatorcontrib><creatorcontrib>TAKEI TAKUMA</creatorcontrib><creatorcontrib>ONO EIKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YOKOTA TAKUYA</au><au>TAKEI TAKUMA</au><au>ONO EIKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>REMOVAL METHOD OF Sn AND MANUFACTURING METHOD OF Pb</title><date>2019-09-19</date><risdate>2019</risdate><abstract>To provide a removal method of Sn and a manufacturing method of Pb, capable of suppressing impurities contamination amount to Sn scum.SOLUTION: A removal method of Sn includes a Harris treatment process for repeating one or more of a series of a process for conducting a soda treatment on a melting crude Pb metal in a Harris furnace, a process for separating a Sd scum generated by the soda treatment; and a recovery process for recovering a part of purified Pb metal obtained in the Harris treatment process with remaining a part of the purified Pb metal, in which the soda treatment is conducted on the melting crude Pb metal obtained by mixing the remaining purified Pb metal and crude Pb metal in the Harris furnace when next Harris treatment process is initiated.SELECTED DRAWING: Figure 1
【課題】 Ｓｎスカムへの不純物混入量を抑制することができるＳｎの除去方法およびＰｂの製造方法を提供する。【解決手段】 Ｓｎの除去方法は、ハリス炉において、溶融粗Ｐｂメタルに対してソーダ処理を行う行程と、前記ソーダ処理で発生するＳｎスカムを分離する工程と、を含む一連の工程を１以上繰り返すハリス処理工程と、前記ハリス処理工程で得られる精製Ｐｂメタルの一部を前記ハリス炉に残して回収する回収工程と、を含み、次回のハリス処理工程を開始する際に、前記ハリス炉に残った精製Ｐｂメタルと粗Ｐｂメタルとを混合して得られる溶融粗Ｐｂメタルに対してソーダ処理を行うことを特徴とする。【選択図】 図１</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS THEREFOR CHEMISTRY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | REMOVAL METHOD OF Sn AND MANUFACTURING METHOD OF Pb |
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