METHOD FOR COLLECTING PRECIOUS METALS FROM SOLUTION CONTAINING PRECIOUS METAL IONS, EXTRACTANT OR ADSORBENT USED THEREFOR, AND BACK EXTRACTANT OR DESORBENT
To provide a method for recovering a precious metal from a solution containing precious metal ions, an extracting agent or adsorbent used therefor, and a back-extracting agent or desorbent. An extracting agent or adsorbent in which precious metal ions are extracted or adsorbed, is brought into conta...
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| creator | SAKAKI, TAKASHI SUDO, YUKINORI |
| description | To provide a method for recovering a precious metal from a solution containing precious metal ions, an extracting agent or adsorbent used therefor, and a back-extracting agent or desorbent. An extracting agent or adsorbent in which precious metal ions are extracted or adsorbed, is brought into contact with a back-extracting agent or desorbent containing a sulfur-containing amino acid derivative represented by the following formula (I):
wherein R 1 is a methyl group, an ethyl group, a vinyl group, a C 3-8 linear, branched or cyclic hydrocarbon group, or a C 6-14 aromatic hydrocarbon group, R 2 's are each independently a hydrogen atom, a methyl group, an ethyl group, a vinyl group, a C 3-8 linear, branched or cyclic hydrocarbon group or a C 6-14 aromatic hydrocarbon group, and n is 0 or 1, to obtain a solution containing the precious metal ions, which is subjected to a reduction treatment to obtain a precious metal. |
| format | Patent |
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wherein R 1 is a methyl group, an ethyl group, a vinyl group, a C 3-8 linear, branched or cyclic hydrocarbon group, or a C 6-14 aromatic hydrocarbon group, R 2 's are each independently a hydrogen atom, a methyl group, an ethyl group, a vinyl group, a C 3-8 linear, branched or cyclic hydrocarbon group or a C 6-14 aromatic hydrocarbon group, and n is 0 or 1, to obtain a solution containing the precious metal ions, which is subjected to a reduction treatment to obtain a precious metal.</description><language>eng ; fre ; ger</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; APPARATUS THEREFOR ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ; FERROUS OR NON-FERROUS ALLOYS ; HETEROCYCLIC COMPOUNDS ; METALLURGY ; ORGANIC CHEMISTRY ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; PRETREATMENT OF RAW MATERIALS ; PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS ; PRODUCTION AND REFINING OF METALS ; SEPARATION ; THEIR RELEVANT APPARATUS ; TRANSPORTING ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2016</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=20160224&DB=EPODOC&CC=EP&NR=2659964A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160224&DB=EPODOC&CC=EP&NR=2659964A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SAKAKI, TAKASHI</creatorcontrib><creatorcontrib>SUDO, YUKINORI</creatorcontrib><title>METHOD FOR COLLECTING PRECIOUS METALS FROM SOLUTION CONTAINING PRECIOUS METAL IONS, EXTRACTANT OR ADSORBENT USED THEREFOR, AND BACK EXTRACTANT OR DESORBENT</title><description>To provide a method for recovering a precious metal from a solution containing precious metal ions, an extracting agent or adsorbent used therefor, and a back-extracting agent or desorbent. An extracting agent or adsorbent in which precious metal ions are extracted or adsorbed, is brought into contact with a back-extracting agent or desorbent containing a sulfur-containing amino acid derivative represented by the following formula (I):
wherein R 1 is a methyl group, an ethyl group, a vinyl group, a C 3-8 linear, branched or cyclic hydrocarbon group, or a C 6-14 aromatic hydrocarbon group, R 2 's are each independently a hydrogen atom, a methyl group, an ethyl group, a vinyl group, a C 3-8 linear, branched or cyclic hydrocarbon group or a C 6-14 aromatic hydrocarbon group, and n is 0 or 1, to obtain a solution containing the precious metal ions, which is subjected to a reduction treatment to obtain a precious metal.</description><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS</subject><subject>APPARATUS THEREFOR</subject><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</subject><subject>CHEMISTRY</subject><subject>ELECTROLYTIC OR ELECTROPHORETIC PROCESSES</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>HETEROCYCLIC COMPOUNDS</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>PRETREATMENT OF RAW MATERIALS</subject><subject>PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS</subject><subject>PRODUCTION AND REFINING OF METALS</subject><subject>SEPARATION</subject><subject>THEIR RELEVANT APPARATUS</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNzTEOgkAQBVAaC6PeYQ6AjSKJ5bA7yEbYIbtDYkeIWSujJHgbL-sWVNpY_Uz-y_xl8m5IKtZQsgPFdU1KjD1B60gZ7jzEGmsPpeMGPNedGLYRWkFjfyHE1qdAF3GoBK1AfIvasysoHp0nDVKRoziXAloNBarzl9c0-3WyuA33KWzmXCVQkqhqG8ZnH6ZxuIZHePXU7vLD8ZhnmO3_IB_WmkOB</recordid><startdate>20160224</startdate><enddate>20160224</enddate><creator>SAKAKI, TAKASHI</creator><creator>SUDO, YUKINORI</creator><scope>EVB</scope></search><sort><creationdate>20160224</creationdate><title>METHOD FOR COLLECTING PRECIOUS METALS FROM SOLUTION CONTAINING PRECIOUS METAL IONS, EXTRACTANT OR ADSORBENT USED THEREFOR, AND BACK EXTRACTANT OR DESORBENT</title><author>SAKAKI, TAKASHI ; SUDO, YUKINORI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2659964A43</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2016</creationdate><topic>ACYCLIC OR CARBOCYCLIC COMPOUNDS</topic><topic>APPARATUS THEREFOR</topic><topic>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</topic><topic>CHEMISTRY</topic><topic>ELECTROLYTIC OR ELECTROPHORETIC PROCESSES</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>HETEROCYCLIC COMPOUNDS</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>PRETREATMENT OF RAW MATERIALS</topic><topic>PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS</topic><topic>PRODUCTION AND REFINING OF METALS</topic><topic>SEPARATION</topic><topic>THEIR RELEVANT APPARATUS</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>SAKAKI, TAKASHI</creatorcontrib><creatorcontrib>SUDO, YUKINORI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SAKAKI, TAKASHI</au><au>SUDO, YUKINORI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR COLLECTING PRECIOUS METALS FROM SOLUTION CONTAINING PRECIOUS METAL IONS, EXTRACTANT OR ADSORBENT USED THEREFOR, AND BACK EXTRACTANT OR DESORBENT</title><date>2016-02-24</date><risdate>2016</risdate><abstract>To provide a method for recovering a precious metal from a solution containing precious metal ions, an extracting agent or adsorbent used therefor, and a back-extracting agent or desorbent. An extracting agent or adsorbent in which precious metal ions are extracted or adsorbed, is brought into contact with a back-extracting agent or desorbent containing a sulfur-containing amino acid derivative represented by the following formula (I):
wherein R 1 is a methyl group, an ethyl group, a vinyl group, a C 3-8 linear, branched or cyclic hydrocarbon group, or a C 6-14 aromatic hydrocarbon group, R 2 's are each independently a hydrogen atom, a methyl group, an ethyl group, a vinyl group, a C 3-8 linear, branched or cyclic hydrocarbon group or a C 6-14 aromatic hydrocarbon group, and n is 0 or 1, to obtain a solution containing the precious metal ions, which is subjected to a reduction treatment to obtain a precious metal.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FERROUS OR NON-FERROUS ALLOYS HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRETREATMENT OF RAW MATERIALS PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS PRODUCTION AND REFINING OF METALS SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | METHOD FOR COLLECTING PRECIOUS METALS FROM SOLUTION CONTAINING PRECIOUS METAL IONS, EXTRACTANT OR ADSORBENT USED THEREFOR, AND BACK EXTRACTANT OR DESORBENT |
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