Extraction and separation of rare earths from chloride medium with mixtures of 2‐ethylhexylphosphonic acid mono‐(2‐ethylhexyl) ester and sec‐nonylphenoxy acetic acid
Identifieur interne : 001016 ( Main/Exploration ); précédent : 001015; suivant : 001017Extraction and separation of rare earths from chloride medium with mixtures of 2‐ethylhexylphosphonic acid mono‐(2‐ethylhexyl) ester and sec‐nonylphenoxy acetic acid
Auteurs : Naizhong Song [République populaire de Chine] ; Shanshan Tong [République populaire de Chine] ; Wei Liu [République populaire de Chine] ; Qiong Jia [République populaire de Chine] ; Weihong Zhou [République populaire de Chine] ; Wuping Liao [République populaire de Chine]Source :
- Journal of Chemical Technology & Biotechnology [ 0268-2575 ] ; 2009-12.
Descripteurs français
- Wicri :
- topic : Industrie chimique.
English descriptors
- KwdEn :
- Acetic, Acetic acid, Acid ester, Aqueous phase, Atomic number, Biotechnol, Changchun, Changchun institute, Chem, Chem technol biotechnol, Chemical industry, Chinese academy, Chloride medium, Equilibrium constants, Ester, Extractant, Extraction, Extraction stoichiometry, Formation constants, Hehehp, Ionic strength, Lah2 cla2, Present study, Rare earth, Rare earths, Solvent extraction, Synergistic, Synergistic effects, Synergistic extraction, Technol, Wang.
- Teeft :
- Acetic, Acetic acid, Acid ester, Aqueous phase, Atomic number, Biotechnol, Changchun, Changchun institute, Chem, Chem technol biotechnol, Chemical industry, Chinese academy, Chloride medium, Equilibrium constants, Ester, Extractant, Extraction, Extraction stoichiometry, Formation constants, Hehehp, Ionic strength, Lah2 cla2, Present study, Rare earth, Rare earths, Solvent extraction, Synergistic, Synergistic effects, Synergistic extraction, Technol, Wang.
Abstract
BACKGROUND: 2‐ethylhexylphosphonic acid mono‐(2‐ethylhexyl) ester (HEHEHP, H2A2) has been applied extensively to the extraction of rare earths. However, there are some limitations to its further utilization and the synergistic extraction of rare earths with mixtures of HEHEHP and another extractant has attracted much attention. Organic carboxylic acids are also a type of extractant employed for the extraction of rare earths, e.g. naphthenic acid has been widely used to separate yttrium from rare earths. Compared with naphthenic acid, sec‐nonylphenoxy acetic acid (CA100, H2B2) has many advantages such as stable composition, low solubility, and strong acidity in the aqueous phase. In the present study, the extraction of rare earths with mixtures of HEHEHP and CA100 has been investigated. The separation of the rare earth elements is also studied.
Url:
DOI: 10.1002/jctb.2248
Affiliations:
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College of Chemistry, Jilin University, Renmin Street 5988#, Changchun 130022, China.===Wuping Liao, State Key Laboratory of Rare Earth Resources and Application, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022</wicri:regionArea><placeName><settlement type="city">Changchun</settlement><region type="province">Jilin</region><region type="groupement">Dongbei</region><settlement type="city">Changchun</settlement></placeName><orgName type="university">Université de Jilin</orgName></affiliation></author><author><name sortKey="Zhou, Weihong" sort="Zhou, Weihong" uniqKey="Zhou W" first="Weihong" last="Zhou">Weihong Zhou</name><affiliation wicri:level="4"><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Chemistry, Jilin University, Renmin Street 5988#, Changchun 130022</wicri:regionArea><placeName><settlement type="city">Changchun</settlement><region type="province">Jilin</region><region 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College of Chemistry, Jilin University, Renmin Street 5988#, Changchun 130022, China.===Wuping Liao, State Key Laboratory of Rare Earth Resources and Application, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022</wicri:regionArea><placeName><settlement type="city">Changchun</settlement><region type="province">Jilin</region><region type="groupement">Dongbei</region><settlement type="city">Changchun</settlement></placeName><orgName type="university">Université de Jilin</orgName></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Journal of Chemical Technology & Biotechnology</title><title level="j" type="alt">JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY</title><idno type="ISSN">0268-2575</idno><idno type="eISSN">1097-4660</idno><imprint><biblScope unit="vol">84</biblScope><biblScope unit="issue">12</biblScope><biblScope unit="page" from="1798">1798</biblScope><biblScope unit="page" to="1802">1802</biblScope><biblScope unit="page-count">5</biblScope><publisher>John Wiley & Sons, Ltd.</publisher><pubPlace>Chichester, UK</pubPlace><date type="published" when="2009-12">2009-12</date></imprint><idno type="ISSN">0268-2575</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0268-2575</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acetic</term><term>Acetic acid</term><term>Acid ester</term><term>Aqueous phase</term><term>Atomic number</term><term>Biotechnol</term><term>Changchun</term><term>Changchun institute</term><term>Chem</term><term>Chem technol biotechnol</term><term>Chemical industry</term><term>Chinese academy</term><term>Chloride medium</term><term>Equilibrium constants</term><term>Ester</term><term>Extractant</term><term>Extraction</term><term>Extraction stoichiometry</term><term>Formation constants</term><term>Hehehp</term><term>Ionic strength</term><term>Lah2 cla2</term><term>Present study</term><term>Rare earth</term><term>Rare earths</term><term>Solvent extraction</term><term>Synergistic</term><term>Synergistic effects</term><term>Synergistic extraction</term><term>Technol</term><term>Wang</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Acetic</term><term>Acetic acid</term><term>Acid ester</term><term>Aqueous phase</term><term>Atomic number</term><term>Biotechnol</term><term>Changchun</term><term>Changchun institute</term><term>Chem</term><term>Chem technol biotechnol</term><term>Chemical industry</term><term>Chinese academy</term><term>Chloride medium</term><term>Equilibrium constants</term><term>Ester</term><term>Extractant</term><term>Extraction</term><term>Extraction stoichiometry</term><term>Formation constants</term><term>Hehehp</term><term>Ionic strength</term><term>Lah2 cla2</term><term>Present study</term><term>Rare earth</term><term>Rare earths</term><term>Solvent extraction</term><term>Synergistic</term><term>Synergistic effects</term><term>Synergistic extraction</term><term>Technol</term><term>Wang</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Industrie chimique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract">BACKGROUND: 2‐ethylhexylphosphonic acid mono‐(2‐ethylhexyl) ester (HEHEHP, H2A2) has been applied extensively to the extraction of rare earths. However, there are some limitations to its further utilization and the synergistic extraction of rare earths with mixtures of HEHEHP and another extractant has attracted much attention. Organic carboxylic acids are also a type of extractant employed for the extraction of rare earths, e.g. naphthenic acid has been widely used to separate yttrium from rare earths. Compared with naphthenic acid, sec‐nonylphenoxy acetic acid (CA100, H2B2) has many advantages such as stable composition, low solubility, and strong acidity in the aqueous phase. In the present study, the extraction of rare earths with mixtures of HEHEHP and CA100 has been investigated. The separation of the rare earth elements is also studied.</div></front></TEI><affiliations><list><country><li>République populaire de Chine</li></country><region><li>Dongbei</li><li>Jilin</li></region><settlement><li>Changchun</li></settlement><orgName><li>Université de Jilin</li></orgName></list><tree><country name="République populaire de Chine"><region name="Jilin"><name sortKey="Song, Naizhong" sort="Song, Naizhong" uniqKey="Song N" first="Naizhong" last="Song">Naizhong Song</name></region><name sortKey="Jia, Qiong" sort="Jia, Qiong" uniqKey="Jia Q" first="Qiong" last="Jia">Qiong Jia</name><name sortKey="Jia, Qiong" sort="Jia, Qiong" uniqKey="Jia Q" first="Qiong" last="Jia">Qiong Jia</name><name sortKey="Jia, Qiong" sort="Jia, Qiong" uniqKey="Jia Q" first="Qiong" last="Jia">Qiong Jia</name><name sortKey="Liao, Wuping" sort="Liao, Wuping" uniqKey="Liao W" first="Wuping" last="Liao">Wuping Liao</name><name sortKey="Liao, Wuping" sort="Liao, Wuping" uniqKey="Liao W" first="Wuping" last="Liao">Wuping Liao</name><name sortKey="Liao, Wuping" sort="Liao, Wuping" uniqKey="Liao W" first="Wuping" last="Liao">Wuping Liao</name><name sortKey="Liu, Wei" sort="Liu, Wei" uniqKey="Liu W" first="Wei" last="Liu">Wei Liu</name><name sortKey="Tong, Shanshan" sort="Tong, Shanshan" uniqKey="Tong S" first="Shanshan" last="Tong">Shanshan Tong</name><name sortKey="Zhou, Weihong" sort="Zhou, Weihong" uniqKey="Zhou W" first="Weihong" last="Zhou">Weihong Zhou</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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