Method for extracting osmium, iridium and ruthenium
The present invention relates to extraction and refining process of noble metal in the metallurgical industry. Said process includes the following steps: using zinc and aluminium alloy to break mineral material, using pyrogenic process to distil osmium, steaming residue and using sodium peroxide to...
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| creator | TIANZU YANG WANDA BIN GUANG CHU |
| description | The present invention relates to extraction and refining process of noble metal in the metallurgical industry. Said process includes the following steps: using zinc and aluminium alloy to break mineral material, using pyrogenic process to distil osmium, steaming residue and using sodium peroxide to make alkali fusion, leaching-out and using ethyl alcohol to settle ruthenium from leaching-out liquor. Said ivnention can reduce dose of breaking agent, its osmium distillation process does not consume oxidation reagent, it can obtain good effect for separating osmium and ruthenium, after alkali fusion the ruthenium can be enriched, so that it is favorable for extraction. Said invention is suitable for treating iridosmine, osmium-iridium mine, nitro-muriatic acid insoluble mineral material containing noble metals of ruthenium and irdium and mineral material containing osmium, ruthenium and iridium. |
| format | Patent |
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Said process includes the following steps: using zinc and aluminium alloy to break mineral material, using pyrogenic process to distil osmium, steaming residue and using sodium peroxide to make alkali fusion, leaching-out and using ethyl alcohol to settle ruthenium from leaching-out liquor. Said ivnention can reduce dose of breaking agent, its osmium distillation process does not consume oxidation reagent, it can obtain good effect for separating osmium and ruthenium, after alkali fusion the ruthenium can be enriched, so that it is favorable for extraction. Said invention is suitable for treating iridosmine, osmium-iridium mine, nitro-muriatic acid insoluble mineral material containing noble metals of ruthenium and irdium and mineral material containing osmium, ruthenium and iridium.</description><edition>7</edition><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>2003</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=20030709&DB=EPODOC&CC=CN&NR=1428445A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20030709&DB=EPODOC&CC=CN&NR=1428445A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TIANZU YANG</creatorcontrib><creatorcontrib>WANDA BIN</creatorcontrib><creatorcontrib>GUANG CHU</creatorcontrib><title>Method for extracting osmium, iridium and ruthenium</title><description>The present invention relates to extraction and refining process of noble metal in the metallurgical industry. Said process includes the following steps: using zinc and aluminium alloy to break mineral material, using pyrogenic process to distil osmium, steaming residue and using sodium peroxide to make alkali fusion, leaching-out and using ethyl alcohol to settle ruthenium from leaching-out liquor. Said ivnention can reduce dose of breaking agent, its osmium distillation process does not consume oxidation reagent, it can obtain good effect for separating osmium and ruthenium, after alkali fusion the ruthenium can be enriched, so that it is favorable for extraction. 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Said process includes the following steps: using zinc and aluminium alloy to break mineral material, using pyrogenic process to distil osmium, steaming residue and using sodium peroxide to make alkali fusion, leaching-out and using ethyl alcohol to settle ruthenium from leaching-out liquor. Said ivnention can reduce dose of breaking agent, its osmium distillation process does not consume oxidation reagent, it can obtain good effect for separating osmium and ruthenium, after alkali fusion the ruthenium can be enriched, so that it is favorable for extraction. Said invention is suitable for treating iridosmine, osmium-iridium mine, nitro-muriatic acid insoluble mineral material containing noble metals of ruthenium and irdium and mineral material containing osmium, ruthenium and iridium.</abstract><edition>7</edition><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 | Method for extracting osmium, iridium and ruthenium |
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