Preparation method of modified organic film for extracting lithium from seawater
The invention provides a preparation method of a modified organic film for extracting lithium from seawater. The preparation method comprises the following steps: carrying out grafting on an aldehydegroup modified polymer as a raw material and benzo 15-crown-5 to form a crown ether modified polymer...
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| creator | LIAO JIANSONG CHEN QING |
| description | The invention provides a preparation method of a modified organic film for extracting lithium from seawater. The preparation method comprises the following steps: carrying out grafting on an aldehydegroup modified polymer as a raw material and benzo 15-crown-5 to form a crown ether modified polymer film; carrying out acid washing and water washing on a lithium titanate powder-loaded carbon-basedmaterial to remove lithium ions; loading the carbon-based material on a porous organic film; and grafting the aldehyde group of the organic film with the amino group of the crown ether to obtain the modified organic film for seawater lithium extraction. According to the invention, an inorganic adsorbent is loaded on the surface layer of an organic film to improve the lithium ion concentration around the organic adsorbent, so that the organic phase is purified relative to an adsorption source of lithium ions, the content of adsorbed lithium ions in the organic phase is increased, the defects that an organic adsorbent is |
| format | Patent |
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The preparation method comprises the following steps: carrying out grafting on an aldehydegroup modified polymer as a raw material and benzo 15-crown-5 to form a crown ether modified polymer film; carrying out acid washing and water washing on a lithium titanate powder-loaded carbon-basedmaterial to remove lithium ions; loading the carbon-based material on a porous organic film; and grafting the aldehyde group of the organic film with the amino group of the crown ether to obtain the modified organic film for seawater lithium extraction. According to the invention, an inorganic adsorbent is loaded on the surface layer of an organic film to improve the lithium ion concentration around the organic adsorbent, so that the organic phase is purified relative to an adsorption source of lithium ions, the content of adsorbed lithium ions in the organic phase is increased, the defects that an organic adsorbent is</description><language>chi ; eng</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; FERROUS OR NON-FERROUS ALLOYS ; GENERAL PROCESSES OF COMPOUNDING ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; PRETREATMENT OF RAW MATERIALS ; PRODUCTION AND REFINING OF METALS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; THEIR RELEVANT APPARATUS ; TRANSPORTING ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; WORKING-UP</subject><creationdate>2020</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=20200616&DB=EPODOC&CC=CN&NR=111286060A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200616&DB=EPODOC&CC=CN&NR=111286060A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIAO JIANSONG</creatorcontrib><creatorcontrib>CHEN QING</creatorcontrib><title>Preparation method of modified organic film for extracting lithium from seawater</title><description>The invention provides a preparation method of a modified organic film for extracting lithium from seawater. The preparation method comprises the following steps: carrying out grafting on an aldehydegroup modified polymer as a raw material and benzo 15-crown-5 to form a crown ether modified polymer film; carrying out acid washing and water washing on a lithium titanate powder-loaded carbon-basedmaterial to remove lithium ions; loading the carbon-based material on a porous organic film; and grafting the aldehyde group of the organic film with the amino group of the crown ether to obtain the modified organic film for seawater lithium extraction. According to the invention, an inorganic adsorbent is loaded on the surface layer of an organic film to improve the lithium ion concentration around the organic adsorbent, so that the organic phase is purified relative to an adsorption source of lithium ions, the content of adsorbed lithium ions in the organic phase is increased, the defects that an organic adsorbent is</description><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</subject><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GENERAL PROCESSES OF COMPOUNDING</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>PRETREATMENT OF RAW MATERIALS</subject><subject>PRODUCTION AND REFINING OF METALS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>THEIR RELEVANT APPARATUS</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><subject>WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNijEKwkAQANNYiPqH9QFCohBsJShWksI-LJe9ZOHu9thb0eebwgdYzTDMuup7pYyKxpIgks0ygniIMrJnWlwnTOzAc4jgRYE-puiM0wSBbebXklUiFMI3Gum2WnkMhXY_bqr97frs7gfKMlDJ6CiRDd2jaZrjua3b-nL65_kCwSU3nA</recordid><startdate>20200616</startdate><enddate>20200616</enddate><creator>LIAO JIANSONG</creator><creator>CHEN QING</creator><scope>EVB</scope></search><sort><creationdate>20200616</creationdate><title>Preparation method of modified organic film for extracting lithium from seawater</title><author>LIAO JIANSONG ; CHEN QING</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN111286060A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2020</creationdate><topic>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</topic><topic>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>GENERAL PROCESSES OF COMPOUNDING</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>PRETREATMENT OF RAW MATERIALS</topic><topic>PRODUCTION AND REFINING OF METALS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>THEIR RELEVANT APPARATUS</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><topic>WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>LIAO JIANSONG</creatorcontrib><creatorcontrib>CHEN QING</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LIAO JIANSONG</au><au>CHEN QING</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Preparation method of modified organic film for extracting lithium from seawater</title><date>2020-06-16</date><risdate>2020</risdate><abstract>The invention provides a preparation method of a modified organic film for extracting lithium from seawater. The preparation method comprises the following steps: carrying out grafting on an aldehydegroup modified polymer as a raw material and benzo 15-crown-5 to form a crown ether modified polymer film; carrying out acid washing and water washing on a lithium titanate powder-loaded carbon-basedmaterial to remove lithium ions; loading the carbon-based material on a porous organic film; and grafting the aldehyde group of the organic film with the amino group of the crown ether to obtain the modified organic film for seawater lithium extraction. According to the invention, an inorganic adsorbent is loaded on the surface layer of an organic film to improve the lithium ion concentration around the organic adsorbent, so that the organic phase is purified relative to an adsorption source of lithium ions, the content of adsorbed lithium ions in the organic phase is increased, the defects that an organic adsorbent is</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS FERROUS OR NON-FERROUS ALLOYS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING-UP |
| title | Preparation method of modified organic film for extracting lithium from seawater |
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