Method for improvement of low-grade ore solubility and removal of impurities in feed liquid
The invention relates to a method for improvement of low-grade ore solubility and removal of impurities in feed liquid. The method includes: adding acids to adjust pH to 0.5, adding BaCl2 for removing SO4 after dissolution of low-grade rare earth ore, adding alkalis to adjust pH to 4.0-5.0, adding f...
Gespeichert in:
| Hauptverfasser: | , , , , , , , , , , , , , , , |
|---|---|
| Format: | Patent |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | |
|---|---|
| container_issue | |
| container_start_page | |
| container_title | |
| container_volume | |
| creator | ZHUANG HUI HU GUHUA ZHANG LIANGJIU QIN WENZHONG KUANG TAO WEI SHIQIANG PENG XINLIN JIANG CHAOCHAO XU XUSHENG HUANG HUAYONG YANG DUOYAN HU ZHENGUANG LU JIEZHU LI FEILONG YANG GUILIN JIANG ZEZUO |
| description | The invention relates to a method for improvement of low-grade ore solubility and removal of impurities in feed liquid. The method includes: adding acids to adjust pH to 0.5, adding BaCl2 for removing SO4 after dissolution of low-grade rare earth ore, adding alkalis to adjust pH to 4.0-5.0, adding flocculant for precipitation after removal of iron and aluminum impurities, ageing, filter pressing and separating to obtain feed liquid of the rare earth ore, wherein rare earth element yield is larger than or equal to 97%, Fe2O3 content is smaller than or equal to 0.03%, and Al2O3 content is smaller than or equal to 1.0%. The method for improvement of low-grade ore solubility and removal of the impurities in the feed liquid has the advantages that low-grade ore solubility can be remarkably improved while content of impurities in the feed liquid is reduced, availability of the low-grade rare earth ore is improved, waste of rare earth resources is avoided, and high economic benefits and social benefits are achieved. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_CN105200247A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>CN105200247A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_CN105200247A3</originalsourceid><addsrcrecordid>eNqNy80OwUAUhuFuLAT3cFxAk1HEWhpiw8rOohnmmzrJdE7NT8XdI3EBVu_mecfF5Yh0F0NWAnHXBxnQwScSS06eZRu0AUkARXH5yo7Ti7Q3FNDJoN3XfbYcODEisScLGHL8yGymxchqFzH7dVLM97tzfSjRS4PY6xs8UlOfFmpdKVWtNtvlP-YNai47Uw</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Method for improvement of low-grade ore solubility and removal of impurities in feed liquid</title><source>esp@cenet</source><creator>ZHUANG HUI ; HU GUHUA ; ZHANG LIANGJIU ; QIN WENZHONG ; KUANG TAO ; WEI SHIQIANG ; PENG XINLIN ; JIANG CHAOCHAO ; XU XUSHENG ; HUANG HUAYONG ; YANG DUOYAN ; HU ZHENGUANG ; LU JIEZHU ; LI FEILONG ; YANG GUILIN ; JIANG ZEZUO</creator><creatorcontrib>ZHUANG HUI ; HU GUHUA ; ZHANG LIANGJIU ; QIN WENZHONG ; KUANG TAO ; WEI SHIQIANG ; PENG XINLIN ; JIANG CHAOCHAO ; XU XUSHENG ; HUANG HUAYONG ; YANG DUOYAN ; HU ZHENGUANG ; LU JIEZHU ; LI FEILONG ; YANG GUILIN ; JIANG ZEZUO</creatorcontrib><description>The invention relates to a method for improvement of low-grade ore solubility and removal of impurities in feed liquid. The method includes: adding acids to adjust pH to 0.5, adding BaCl2 for removing SO4<2-> after dissolution of low-grade rare earth ore, adding alkalis to adjust pH to 4.0-5.0, adding flocculant for precipitation after removal of iron and aluminum impurities, ageing, filter pressing and separating to obtain feed liquid of the rare earth ore, wherein rare earth element yield is larger than or equal to 97%, Fe2O3 content is smaller than or equal to 0.03%, and Al2O3 content is smaller than or equal to 1.0%. The method for improvement of low-grade ore solubility and removal of the impurities in the feed liquid has the advantages that low-grade ore solubility can be remarkably improved while content of impurities in the feed liquid is reduced, availability of the low-grade rare earth ore is improved, waste of rare earth resources is avoided, and high economic benefits and social benefits are achieved.</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>2015</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=20151230&DB=EPODOC&CC=CN&NR=105200247A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151230&DB=EPODOC&CC=CN&NR=105200247A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHUANG HUI</creatorcontrib><creatorcontrib>HU GUHUA</creatorcontrib><creatorcontrib>ZHANG LIANGJIU</creatorcontrib><creatorcontrib>QIN WENZHONG</creatorcontrib><creatorcontrib>KUANG TAO</creatorcontrib><creatorcontrib>WEI SHIQIANG</creatorcontrib><creatorcontrib>PENG XINLIN</creatorcontrib><creatorcontrib>JIANG CHAOCHAO</creatorcontrib><creatorcontrib>XU XUSHENG</creatorcontrib><creatorcontrib>HUANG HUAYONG</creatorcontrib><creatorcontrib>YANG DUOYAN</creatorcontrib><creatorcontrib>HU ZHENGUANG</creatorcontrib><creatorcontrib>LU JIEZHU</creatorcontrib><creatorcontrib>LI FEILONG</creatorcontrib><creatorcontrib>YANG GUILIN</creatorcontrib><creatorcontrib>JIANG ZEZUO</creatorcontrib><title>Method for improvement of low-grade ore solubility and removal of impurities in feed liquid</title><description>The invention relates to a method for improvement of low-grade ore solubility and removal of impurities in feed liquid. The method includes: adding acids to adjust pH to 0.5, adding BaCl2 for removing SO4<2-> after dissolution of low-grade rare earth ore, adding alkalis to adjust pH to 4.0-5.0, adding flocculant for precipitation after removal of iron and aluminum impurities, ageing, filter pressing and separating to obtain feed liquid of the rare earth ore, wherein rare earth element yield is larger than or equal to 97%, Fe2O3 content is smaller than or equal to 0.03%, and Al2O3 content is smaller than or equal to 1.0%. The method for improvement of low-grade ore solubility and removal of the impurities in the feed liquid has the advantages that low-grade ore solubility can be remarkably improved while content of impurities in the feed liquid is reduced, availability of the low-grade rare earth ore is improved, waste of rare earth resources is avoided, and high economic benefits and social benefits are achieved.</description><subject>CHEMISTRY</subject><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>METALLURGY</subject><subject>PRETREATMENT OF RAW MATERIALS</subject><subject>PRODUCTION AND REFINING OF METALS</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNy80OwUAUhuFuLAT3cFxAk1HEWhpiw8rOohnmmzrJdE7NT8XdI3EBVu_mecfF5Yh0F0NWAnHXBxnQwScSS06eZRu0AUkARXH5yo7Ti7Q3FNDJoN3XfbYcODEisScLGHL8yGymxchqFzH7dVLM97tzfSjRS4PY6xs8UlOfFmpdKVWtNtvlP-YNai47Uw</recordid><startdate>20151230</startdate><enddate>20151230</enddate><creator>ZHUANG HUI</creator><creator>HU GUHUA</creator><creator>ZHANG LIANGJIU</creator><creator>QIN WENZHONG</creator><creator>KUANG TAO</creator><creator>WEI SHIQIANG</creator><creator>PENG XINLIN</creator><creator>JIANG CHAOCHAO</creator><creator>XU XUSHENG</creator><creator>HUANG HUAYONG</creator><creator>YANG DUOYAN</creator><creator>HU ZHENGUANG</creator><creator>LU JIEZHU</creator><creator>LI FEILONG</creator><creator>YANG GUILIN</creator><creator>JIANG ZEZUO</creator><scope>EVB</scope></search><sort><creationdate>20151230</creationdate><title>Method for improvement of low-grade ore solubility and removal of impurities in feed liquid</title><author>ZHUANG HUI ; HU GUHUA ; ZHANG LIANGJIU ; QIN WENZHONG ; KUANG TAO ; WEI SHIQIANG ; PENG XINLIN ; JIANG CHAOCHAO ; XU XUSHENG ; HUANG HUAYONG ; YANG DUOYAN ; HU ZHENGUANG ; LU JIEZHU ; LI FEILONG ; YANG GUILIN ; JIANG ZEZUO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN105200247A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>CHEMISTRY</topic><topic>CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>METALLURGY</topic><topic>PRETREATMENT OF RAW MATERIALS</topic><topic>PRODUCTION AND REFINING OF METALS</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>ZHUANG HUI</creatorcontrib><creatorcontrib>HU GUHUA</creatorcontrib><creatorcontrib>ZHANG LIANGJIU</creatorcontrib><creatorcontrib>QIN WENZHONG</creatorcontrib><creatorcontrib>KUANG TAO</creatorcontrib><creatorcontrib>WEI SHIQIANG</creatorcontrib><creatorcontrib>PENG XINLIN</creatorcontrib><creatorcontrib>JIANG CHAOCHAO</creatorcontrib><creatorcontrib>XU XUSHENG</creatorcontrib><creatorcontrib>HUANG HUAYONG</creatorcontrib><creatorcontrib>YANG DUOYAN</creatorcontrib><creatorcontrib>HU ZHENGUANG</creatorcontrib><creatorcontrib>LU JIEZHU</creatorcontrib><creatorcontrib>LI FEILONG</creatorcontrib><creatorcontrib>YANG GUILIN</creatorcontrib><creatorcontrib>JIANG ZEZUO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZHUANG HUI</au><au>HU GUHUA</au><au>ZHANG LIANGJIU</au><au>QIN WENZHONG</au><au>KUANG TAO</au><au>WEI SHIQIANG</au><au>PENG XINLIN</au><au>JIANG CHAOCHAO</au><au>XU XUSHENG</au><au>HUANG HUAYONG</au><au>YANG DUOYAN</au><au>HU ZHENGUANG</au><au>LU JIEZHU</au><au>LI FEILONG</au><au>YANG GUILIN</au><au>JIANG ZEZUO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for improvement of low-grade ore solubility and removal of impurities in feed liquid</title><date>2015-12-30</date><risdate>2015</risdate><abstract>The invention relates to a method for improvement of low-grade ore solubility and removal of impurities in feed liquid. The method includes: adding acids to adjust pH to 0.5, adding BaCl2 for removing SO4<2-> after dissolution of low-grade rare earth ore, adding alkalis to adjust pH to 4.0-5.0, adding flocculant for precipitation after removal of iron and aluminum impurities, ageing, filter pressing and separating to obtain feed liquid of the rare earth ore, wherein rare earth element yield is larger than or equal to 97%, Fe2O3 content is smaller than or equal to 0.03%, and Al2O3 content is smaller than or equal to 1.0%. The method for improvement of low-grade ore solubility and removal of the impurities in the feed liquid has the advantages that low-grade ore solubility can be remarkably improved while content of impurities in the feed liquid is reduced, availability of the low-grade rare earth ore is improved, waste of rare earth resources is avoided, and high economic benefits and social benefits are achieved.</abstract><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext_linktorsrc |
| identifier | |
| ispartof | |
| issn | |
| language | eng |
| recordid | cdi_epo_espacenet_CN105200247A |
| source | esp@cenet |
| 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 improvement of low-grade ore solubility and removal of impurities in feed liquid |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-08T12%3A30%3A09IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=ZHUANG%20HUI&rft.date=2015-12-30&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3ECN105200247A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |