RECOVERING METHOD FOR METAL FROM DEPHOSPHORIZATION SLAG
PURPOSE:To recover by separation a high-quality metal efficiently with superior workability by throwing crushed lime-type dephosphorization slag into water, slaking CaO in the slag, pulverizing the slaked CaO and then allowing a metal to be attracted by a magnet. CONSTITUTION:Dephosphorization of mo...
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| creator | FUKAYA KAZUO KITANI FUKUICHI ARAKI SHIGERU |
| description | PURPOSE:To recover by separation a high-quality metal efficiently with superior workability by throwing crushed lime-type dephosphorization slag into water, slaking CaO in the slag, pulverizing the slaked CaO and then allowing a metal to be attracted by a magnet. CONSTITUTION:Dephosphorization of molten iron is carried out by the use of a lime-type flux. The resulting dephosphorization slag is crushed and, if necessary, the metal in the above crushed slag is attracted by a magnet and recovered by separation and then the resulting crushed slag is thrown into water and agitated, by which CaO in the above slag is slaked and the slag is pulverized. Subsequently, the metal in the pulverized slag is attracted by the magnet and recovered by separation. Moreover, it is preferable that the metal magnetically separated from the above crushed slag is thrown into water and agitated to pulverize the sticking slag and the pulverized slag is further subjected to magnetic separation so as to recover the metal therein perfectly. |
| format | Patent |
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CONSTITUTION:Dephosphorization of molten iron is carried out by the use of a lime-type flux. The resulting dephosphorization slag is crushed and, if necessary, the metal in the above crushed slag is attracted by a magnet and recovered by separation and then the resulting crushed slag is thrown into water and agitated, by which CaO in the above slag is slaked and the slag is pulverized. Subsequently, the metal in the pulverized slag is attracted by the magnet and recovered by separation. Moreover, it is preferable that the metal magnetically separated from the above crushed slag is thrown into water and agitated to pulverize the sticking slag and the pulverized slag is further subjected to magnetic separation so as to recover the metal therein perfectly.</description><language>eng</language><subject>CHEMISTRY ; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ; FERROUS OR NON-FERROUS ALLOYS ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; METALLURGY ; PRETREATMENT OF RAW MATERIALS ; PRODUCTION AND REFINING OF METALS ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>1987</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=19870129&DB=EPODOC&CC=JP&NR=S6220840A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19870129&DB=EPODOC&CC=JP&NR=S6220840A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FUKAYA KAZUO</creatorcontrib><creatorcontrib>KITANI FUKUICHI</creatorcontrib><creatorcontrib>ARAKI SHIGERU</creatorcontrib><title>RECOVERING METHOD FOR METAL FROM DEPHOSPHORIZATION SLAG</title><description>PURPOSE:To recover by separation a high-quality metal efficiently with superior workability by throwing crushed lime-type dephosphorization slag into water, slaking CaO in the slag, pulverizing the slaked CaO and then allowing a metal to be attracted by a magnet. CONSTITUTION:Dephosphorization of molten iron is carried out by the use of a lime-type flux. The resulting dephosphorization slag is crushed and, if necessary, the metal in the above crushed slag is attracted by a magnet and recovered by separation and then the resulting crushed slag is thrown into water and agitated, by which CaO in the above slag is slaked and the slag is pulverized. Subsequently, the metal in the pulverized slag is attracted by the magnet and recovered by separation. 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CONSTITUTION:Dephosphorization of molten iron is carried out by the use of a lime-type flux. The resulting dephosphorization slag is crushed and, if necessary, the metal in the above crushed slag is attracted by a magnet and recovered by separation and then the resulting crushed slag is thrown into water and agitated, by which CaO in the above slag is slaked and the slag is pulverized. Subsequently, the metal in the pulverized slag is attracted by the magnet and recovered by separation. Moreover, it is preferable that the metal magnetically separated from the above crushed slag is thrown into water and agitated to pulverize the sticking slag and the pulverized slag is further subjected to magnetic separation so as to recover the metal therein perfectly.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS FERROUS OR NON-FERROUS ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | RECOVERING METHOD FOR METAL FROM DEPHOSPHORIZATION SLAG |
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