Recycling indium from waste liquid crystal display panel by vacuum carbon-reduction
Identifieur interne : 000049 ( Main/Repository ); précédent : 000048; suivant : 000050Recycling indium from waste liquid crystal display panel by vacuum carbon-reduction
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Abstract
This study investigated the recovery of indium from waste liquid crystal display (LCD) panel using vacuum carbon-reduction. First of all, high purity In2O3 was investigated. The results indicated that indium can be reclaimed from In2O3 using vacuum carbon-reduction in thermodynamics and dynamics. The conditions of 1223 K, 50wt% carbon addition, 30 min, and 1 Pa were confirmed as the optimal conditions for pure In2O3 and high purity indium could be selectively recovered on condensing zone. Based on this, the experiment of the recovery of indium from waste LCD power was performed. The best parameters were confirmed as 1223 K and 1 Pa with 30 wt% carbon addition for 30 min. The recovery rate of indium from LCD powder could reach to 90wt%. No hazardous materials produced in this process. Therefore, this technique provides the possibility of reutilization of LCD in an environmentally friendly way.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Recycling indium from waste liquid crystal display panel by vacuum carbon-reduction</title><author><name>YUNXIA HE</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>School of Environmental Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road</s1><s2>Shanghai 200240</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Shanghai 200240</wicri:noRegion></affiliation></author><author><name>EN MA</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>School of Environmental Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road</s1><s2>Shanghai 200240</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Shanghai 200240</wicri:noRegion></affiliation></author><author><name>ZHENMING XU</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>School of Environmental Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road</s1><s2>Shanghai 200240</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Shanghai 200240</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">14-0084070</idno><date when="2014">2014</date><idno type="stanalyst">PASCAL 14-0084070 INIST</idno><idno type="RBID">Pascal:14-0084070</idno><idno type="wicri:Area/Main/Corpus">000095</idno><idno type="wicri:Area/Main/Repository">000049</idno></publicationStmt><seriesStmt><idno type="ISSN">0304-3894</idno><title level="j" type="abbreviated">J. hazard. mater. : (Print)</title><title level="j" type="main">Journal of hazardous materials : (Print)</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>High purity</term><term>Powder</term><term>Recycling</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Recyclage</term><term>Haute pureté</term><term>Poudre</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study investigated the recovery of indium from waste liquid crystal display (LCD) panel using vacuum carbon-reduction. First of all, high purity In<sub>2</sub>O<sub>3</sub> was investigated. The results indicated that indium can be reclaimed from In<sub>2</sub>O<sub>3</sub> using vacuum carbon-reduction in thermodynamics and dynamics. The conditions of 1223 K, 50wt% carbon addition, 30 min, and 1 Pa were confirmed as the optimal conditions for pure In<sub>2</sub>O<sub>3</sub> and high purity indium could be selectively recovered on condensing zone. Based on this, the experiment of the recovery of indium from waste LCD power was performed. The best parameters were confirmed as 1223 K and 1 Pa with 30 wt% carbon addition for 30 min. The recovery rate of indium from LCD powder could reach to 90wt%. No hazardous materials produced in this process. Therefore, this technique provides the possibility of reutilization of LCD in an environmentally friendly way.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0304-3894</s0></fA01><fA02 i1="01"><s0>JHMAD9</s0></fA02><fA03 i2="1"><s0>J. hazard. mater. : (Print)</s0></fA03><fA05><s2>268</s2></fA05><fA08 i1="01" i2="1" l="ENG"><s1>Recycling indium from waste liquid crystal display panel by vacuum carbon-reduction</s1></fA08><fA11 i1="01" i2="1"><s1>YUNXIA HE</s1></fA11><fA11 i1="02" i2="1"><s1>EN MA</s1></fA11><fA11 i1="03" i2="1"><s1>ZHENMING XU</s1></fA11><fA14 i1="01"><s1>School of Environmental Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road</s1><s2>Shanghai 200240</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></fA14><fA20><s1>185-190</s1></fA20><fA21><s1>2014</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>15708</s2><s5>354000506139760230</s5></fA43><fA44><s0>0000</s0><s1>© 2014 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>13 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>14-0084070</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Journal of hazardous materials : (Print)</s0></fA64><fA66 i1="01"><s0>GBR</s0></fA66><fC01 i1="01" l="ENG"><s0>This study investigated the recovery of indium from waste liquid crystal display (LCD) panel using vacuum carbon-reduction. First of all, high purity In<sub>2</sub>O<sub>3</sub> was investigated. The results indicated that indium can be reclaimed from In<sub>2</sub>O<sub>3</sub> using vacuum carbon-reduction in thermodynamics and dynamics. The conditions of 1223 K, 50wt% carbon addition, 30 min, and 1 Pa were confirmed as the optimal conditions for pure In<sub>2</sub>O<sub>3</sub> and high purity indium could be selectively recovered on condensing zone. Based on this, the experiment of the recovery of indium from waste LCD power was performed. The best parameters were confirmed as 1223 K and 1 Pa with 30 wt% carbon addition for 30 min. The recovery rate of indium from LCD powder could reach to 90wt%. No hazardous materials produced in this process. Therefore, this technique provides the possibility of reutilization of LCD in an environmentally friendly way.</s0></fC01><fC02 i1="01" i2="X"><s0>001D16</s0></fC02><fC03 i1="01" i2="X" l="FRE"><s0>Recyclage</s0><s5>01</s5></fC03><fC03 i1="01" i2="X" l="ENG"><s0>Recycling</s0><s5>01</s5></fC03><fC03 i1="01" i2="X" l="SPA"><s0>Reconversión</s0><s5>01</s5></fC03><fC03 i1="02" i2="X" l="FRE"><s0>Haute pureté</s0><s5>02</s5></fC03><fC03 i1="02" i2="X" l="ENG"><s0>High purity</s0><s5>02</s5></fC03><fC03 i1="02" i2="X" l="SPA"><s0>Gran pureza</s0><s5>02</s5></fC03><fC03 i1="03" i2="X" l="FRE"><s0>Poudre</s0><s5>03</s5></fC03><fC03 i1="03" i2="X" l="ENG"><s0>Powder</s0><s5>03</s5></fC03><fC03 i1="03" i2="X" l="SPA"><s0>Polvo</s0><s5>03</s5></fC03><fN21><s1>111</s1></fN21><fN44 i1="01"><s1>OTO</s1></fN44><fN82><s1>OTO</s1></fN82></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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