Bio-leaching process of low-grade copper ores
The invention discloses a bio-leaching process of low-grade copper ores, copper ore concentrates are doped into the copper ores according to a certain ratio, and are mixed uniformly and dumped, and then the bio-leaching is carried out, the bio-leaching and the acid producing are carried out at the s...
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| creator | LI LITING HUANG HUAIGUO HU JIEHUA ZHONG JUN YE ZHIYONG CHEN QIBIN CAI CHUANGKAI |
| description | The invention discloses a bio-leaching process of low-grade copper ores, copper ore concentrates are doped into the copper ores according to a certain ratio, and are mixed uniformly and dumped, and then the bio-leaching is carried out, the bio-leaching and the acid producing are carried out at the same time, so the external sulfuric acid is not required during the biological dump leaching process of the copper ores, the acid balance in the dump leaching system is realized, and furthermore, the higher activity of the bacteria is guaranteed, the leaching speed and efficiency are improved, the medicament cost is low, the copper leaching effect is favorable, the method is simple, the industrialization is facilitated, and so the process is a novel, effective and high-controllability copper ores biological copper extracting process. |
| format | Patent |
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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=20150603&DB=EPODOC&CC=CN&NR=104674002A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25546,76297</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150603&DB=EPODOC&CC=CN&NR=104674002A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LI LITING</creatorcontrib><creatorcontrib>HUANG HUAIGUO</creatorcontrib><creatorcontrib>HU JIEHUA</creatorcontrib><creatorcontrib>ZHONG JUN</creatorcontrib><creatorcontrib>YE ZHIYONG</creatorcontrib><creatorcontrib>CHEN QIBIN</creatorcontrib><creatorcontrib>CAI CHUANGKAI</creatorcontrib><title>Bio-leaching process of low-grade copper ores</title><description>The invention discloses a bio-leaching process of low-grade copper ores, copper ore concentrates are doped into the copper ores according to a certain ratio, and are mixed uniformly and dumped, and then the bio-leaching is carried out, the bio-leaching and the acid producing are carried out at the same time, so the external sulfuric acid is not required during the biological dump leaching process of the copper ores, the acid balance in the dump leaching system is realized, and furthermore, the higher activity of the bacteria is guaranteed, the leaching speed and efficiency are improved, the medicament cost is low, the copper leaching effect is favorable, the method is simple, the industrialization is facilitated, and so the process is a novel, effective and high-controllability copper ores biological copper extracting process.</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>eNrjZNB1yszXzUlNTM7IzEtXKCjKT04tLlbIT1PIyS_XTS9KTElVSM4vKEgtUsgvSi3mYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxzn6GBiZm5iYGBkaOxsSoAQCbwim-</recordid><startdate>20150603</startdate><enddate>20150603</enddate><creator>LI LITING</creator><creator>HUANG HUAIGUO</creator><creator>HU JIEHUA</creator><creator>ZHONG JUN</creator><creator>YE ZHIYONG</creator><creator>CHEN QIBIN</creator><creator>CAI CHUANGKAI</creator><scope>EVB</scope></search><sort><creationdate>20150603</creationdate><title>Bio-leaching process of low-grade copper ores</title><author>LI LITING ; 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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 | Bio-leaching process of low-grade copper ores |
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