Process method for preparing high-purity aluminum from electrolytic aluminum by adopting vacuum distillation
The invention relates to a process method for preparing high-purity aluminum from electrolytic aluminum by adopting vacuum distillation, and provides a process method for preparing the high-purity aluminum by carrying out vacuum distillation on electrolytic aluminum melt in a vacuum distillation fur...
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| creator | WANG LI FEI LI QING SHAN CHU MING LI ZHENG SHENG KAN ZHUO CAI LANG JIN PEI PNG CHEN MING BIAO |
| description | The invention relates to a process method for preparing high-purity aluminum from electrolytic aluminum by adopting vacuum distillation, and provides a process method for preparing the high-purity aluminum by carrying out vacuum distillation on electrolytic aluminum melt in a vacuum distillation furnace. The process method comprises the vacuum distillation step 1 and the vacuum distillation step 2; in the vacuum distillation step 1, the electrolytic aluminum melt is continuously input into the vacuum distillation furnace for vacuum evaporation under vacuum degree 1 and temperature 1, volatile impurity elements including Na, Mg, Zn and Ca are continuously condensed in condensation chambers of different temperatures of a condenser, and residual Al-rich melt is collected; and in the vacuum distillation step 2, the Al-rich melt is continuously input into the vacuum distillation furnace for vacuum distillation under vacuum degree 2 and temperature 2, Al and micro less-volatile impurity elements such as Cu and Ga i |
| format | Patent |
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The process method comprises the vacuum distillation step 1 and the vacuum distillation step 2; in the vacuum distillation step 1, the electrolytic aluminum melt is continuously input into the vacuum distillation furnace for vacuum evaporation under vacuum degree 1 and temperature 1, volatile impurity elements including Na, Mg, Zn and Ca are continuously condensed in condensation chambers of different temperatures of a condenser, and residual Al-rich melt is collected; and in the vacuum distillation step 2, the Al-rich melt is continuously input into the vacuum distillation furnace for vacuum distillation under vacuum degree 2 and temperature 2, Al and micro less-volatile impurity elements such as Cu and Ga i</description><language>chi ; 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>2017</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=20171114&DB=EPODOC&CC=CN&NR=107345278A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20171114&DB=EPODOC&CC=CN&NR=107345278A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG LI FEI</creatorcontrib><creatorcontrib>LI QING SHAN</creatorcontrib><creatorcontrib>CHU MING</creatorcontrib><creatorcontrib>LI ZHENG SHENG</creatorcontrib><creatorcontrib>KAN ZHUO CAI LANG</creatorcontrib><creatorcontrib>JIN PEI PNG</creatorcontrib><creatorcontrib>CHEN MING BIAO</creatorcontrib><title>Process method for preparing high-purity aluminum from electrolytic aluminum by adopting vacuum distillation</title><description>The invention relates to a process method for preparing high-purity aluminum from electrolytic aluminum by adopting vacuum distillation, and provides a process method for preparing the high-purity aluminum by carrying out vacuum distillation on electrolytic aluminum melt in a vacuum distillation furnace. 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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 | Process method for preparing high-purity aluminum from electrolytic aluminum by adopting vacuum distillation |
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