PROCESS FOR THE SELECTIVE RECOVERY OF LEAD AND SILVER
Abstract The present invention relates to a process for the selective and ecoefficient recovery of lead and silver jointly as a concentrate product from metallurgical residues. The main advantage over the state-of-art is that concentrates of silver and lead can be recovered simultaneously from metal...
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| creator | PECHARROMAN MERCADO, EMILIO FRADES TAPIA, MARIA ALVAREZ CARRENO, CARLOS PINEDO GONZALEZ, MAITE OCANA GARCIA, NURIA |
| description | Abstract The present invention relates to a process for the selective and ecoefficient recovery of lead and silver jointly as a concentrate product from metallurgical residues. The main advantage over the state-of-art is that concentrates of silver and lead can be recovered simultaneously from metallurgical residues in only three overall steps including a purification step that can reduce the content of chloride contaminants to as low as 0.01% on a dry weight basis. This method avoids further metal separation steps and represents an economically viable process to selectively obtain silver and lead in one concentrate without the need for high-cost equipment. Date Recue/Date Received 2021-04-21
La présente invention concerne un procédé de récupération sélective et éco-efficace de plomb et d'argent, le plomb et l'argent étant récupérés conjointement sous forme de produit concentré, à partir de résidus hydrométallurgiques. |
| format | Patent |
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La présente invention concerne un procédé de récupération sélective et éco-efficace de plomb et d'argent, le plomb et l'argent étant récupérés conjointement sous forme de produit concentré, à partir de résidus hydrométallurgiques.</description><language>eng ; fre</language><subject>CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; METALLURGY ; PRETREATMENT OF RAW MATERIALS ; PRODUCTION AND REFINING OF METALS ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2021</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=20211130&DB=EPODOC&CC=CA&NR=2925298C$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211130&DB=EPODOC&CC=CA&NR=2925298C$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PECHARROMAN MERCADO, EMILIO</creatorcontrib><creatorcontrib>FRADES TAPIA, MARIA</creatorcontrib><creatorcontrib>ALVAREZ CARRENO, CARLOS</creatorcontrib><creatorcontrib>PINEDO GONZALEZ, MAITE</creatorcontrib><creatorcontrib>OCANA GARCIA, NURIA</creatorcontrib><title>PROCESS FOR THE SELECTIVE RECOVERY OF LEAD AND SILVER</title><description>Abstract The present invention relates to a process for the selective and ecoefficient recovery of lead and silver jointly as a concentrate product from metallurgical residues. The main advantage over the state-of-art is that concentrates of silver and lead can be recovered simultaneously from metallurgical residues in only three overall steps including a purification step that can reduce the content of chloride contaminants to as low as 0.01% on a dry weight basis. This method avoids further metal separation steps and represents an economically viable process to selectively obtain silver and lead in one concentrate without the need for high-cost equipment. Date Recue/Date Received 2021-04-21
La présente invention concerne un procédé de récupération sélective et éco-efficace de plomb et d'argent, le plomb et l'argent étant récupérés conjointement sous forme de produit concentré, à partir de résidus hydrométallurgiques.</description><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>METALLURGY</subject><subject>PRETREATMENT OF RAW MATERIALS</subject><subject>PRODUCTION AND REFINING OF METALS</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDANCPJ3dg0OVnDzD1II8XBVCHb1cXUO8QxzVQhydfYPcw2KVPB3U_BxdXRRcPRzUQj29AGK8TCwpiXmFKfyQmluBnk31xBnD93Ugvz41OKCxOTUvNSSeGdHI0sjUyNLC2djwioAP2MmmQ</recordid><startdate>20211130</startdate><enddate>20211130</enddate><creator>PECHARROMAN MERCADO, EMILIO</creator><creator>FRADES TAPIA, MARIA</creator><creator>ALVAREZ CARRENO, CARLOS</creator><creator>PINEDO GONZALEZ, MAITE</creator><creator>OCANA GARCIA, NURIA</creator><scope>EVB</scope></search><sort><creationdate>20211130</creationdate><title>PROCESS FOR THE SELECTIVE RECOVERY OF LEAD AND SILVER</title><author>PECHARROMAN MERCADO, EMILIO ; FRADES TAPIA, MARIA ; ALVAREZ CARRENO, CARLOS ; PINEDO GONZALEZ, MAITE ; OCANA GARCIA, NURIA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA2925298C3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2021</creationdate><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>METALLURGY</topic><topic>PRETREATMENT OF RAW MATERIALS</topic><topic>PRODUCTION AND REFINING OF METALS</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>PECHARROMAN MERCADO, EMILIO</creatorcontrib><creatorcontrib>FRADES TAPIA, MARIA</creatorcontrib><creatorcontrib>ALVAREZ CARRENO, CARLOS</creatorcontrib><creatorcontrib>PINEDO GONZALEZ, MAITE</creatorcontrib><creatorcontrib>OCANA GARCIA, NURIA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PECHARROMAN MERCADO, EMILIO</au><au>FRADES TAPIA, MARIA</au><au>ALVAREZ CARRENO, CARLOS</au><au>PINEDO GONZALEZ, MAITE</au><au>OCANA GARCIA, NURIA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PROCESS FOR THE SELECTIVE RECOVERY OF LEAD AND SILVER</title><date>2021-11-30</date><risdate>2021</risdate><abstract>Abstract The present invention relates to a process for the selective and ecoefficient recovery of lead and silver jointly as a concentrate product from metallurgical residues. The main advantage over the state-of-art is that concentrates of silver and lead can be recovered simultaneously from metallurgical residues in only three overall steps including a purification step that can reduce the content of chloride contaminants to as low as 0.01% on a dry weight basis. This method avoids further metal separation steps and represents an economically viable process to selectively obtain silver and lead in one concentrate without the need for high-cost equipment. Date Recue/Date Received 2021-04-21
La présente invention concerne un procédé de récupération sélective et éco-efficace de plomb et d'argent, le plomb et l'argent étant récupérés conjointement sous forme de produit concentré, à partir de résidus hydrométallurgiques.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | PROCESS FOR THE SELECTIVE RECOVERY OF LEAD AND SILVER |
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