CN105080938B - 从废液晶显示屏中综合回收铟、玻璃、偏光片的方法 - Google Patents
从废液晶显示屏中综合回收铟、玻璃、偏光片的方法 Download PDFInfo
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- CN105080938B CN105080938B CN201510551419.0A CN201510551419A CN105080938B CN 105080938 B CN105080938 B CN 105080938B CN 201510551419 A CN201510551419 A CN 201510551419A CN 105080938 B CN105080938 B CN 105080938B
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- liquid crystal
- indium
- glass
- water
- crystal display
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 87
- 229910052738 indium Inorganic materials 0.000 title claims abstract description 78
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 239000011521 glass Substances 0.000 title claims abstract description 68
- 239000002699 waste material Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000002386 leaching Methods 0.000 claims abstract description 27
- 239000012141 concentrate Substances 0.000 claims abstract description 24
- 238000000227 grinding Methods 0.000 claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 8
- 241000252254 Catostomidae Species 0.000 claims abstract description 7
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- 238000007599 discharging Methods 0.000 claims abstract description 3
- 230000005484 gravity Effects 0.000 claims abstract description 3
- 238000005406 washing Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 8
- 239000007791 liquid phase Substances 0.000 claims description 7
- 238000002791 soaking Methods 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 239000007790 solid phase Substances 0.000 claims description 2
- FWFGVMYFCODZRD-UHFFFAOYSA-N oxidanium;hydrogen sulfate Chemical compound O.OS(O)(=O)=O FWFGVMYFCODZRD-UHFFFAOYSA-N 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 7
- 230000008929 regeneration Effects 0.000 abstract description 3
- 238000011069 regeneration method Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 description 22
- 239000000243 solution Substances 0.000 description 22
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 17
- 239000002253 acid Substances 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000011449 brick Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229920002302 Nylon 6,6 Polymers 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
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- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
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- 239000000835 fiber Substances 0.000 description 2
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- 239000010922 glass waste Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
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- 238000003825 pressing Methods 0.000 description 2
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- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 244000137852 Petrea volubilis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 239000006063 cullet Substances 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- SEGLCEQVOFDUPX-UHFFFAOYSA-N di-(2-ethylhexyl)phosphoric acid Chemical compound CCCCC(CC)COP(O)(=O)OCC(CC)CCCC SEGLCEQVOFDUPX-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000010793 electronic waste Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000005337 ground glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 229910000337 indium(III) sulfate Inorganic materials 0.000 description 1
- IGUXCTSQIGAGSV-UHFFFAOYSA-K indium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[In+3] IGUXCTSQIGAGSV-UHFFFAOYSA-K 0.000 description 1
- XGCKLPDYTQRDTR-UHFFFAOYSA-H indium(iii) sulfate Chemical compound [In+3].[In+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O XGCKLPDYTQRDTR-UHFFFAOYSA-H 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005649 metathesis reaction Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Families Citing this family (5)
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CN106011481A (zh) * | 2016-06-30 | 2016-10-12 | 华南理工大学 | 一种从废旧液晶显示器中回收铟(In)的方法 |
CN106399722A (zh) * | 2016-10-17 | 2017-02-15 | 扬州宁达贵金属有限公司 | 从含液晶铟精矿中回收锡的方法 |
CN107159681A (zh) * | 2017-05-20 | 2017-09-15 | 合肥市惠科精密模具有限公司 | 一种从tft‑lcd液晶显示器回收液晶的方法 |
CN110016566A (zh) * | 2019-05-17 | 2019-07-16 | 河海大学常州校区 | 一种回收废弃光伏组件中铟的方法 |
CN111069231A (zh) * | 2019-12-10 | 2020-04-28 | 四川长虹格润环保科技股份有限公司 | 废旧液晶显示屏资源综合回收的方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001137804A (ja) * | 1999-11-12 | 2001-05-22 | Hitachi Ltd | 廃液晶表示装置の処理方法及び処理装置 |
CN101722169A (zh) * | 2009-11-20 | 2010-06-09 | 郭玉文 | 一种废液晶显示器无害化热处理的方法 |
CN103157646A (zh) * | 2011-12-14 | 2013-06-19 | 深圳市格林美高新技术股份有限公司 | 一种废旧液晶显示器的综合处理方法 |
CN103602815A (zh) * | 2013-11-06 | 2014-02-26 | 四川长虹电器股份有限公司 | 从废液晶显示器中回收铟的方法 |
CN104624598A (zh) * | 2013-11-08 | 2015-05-20 | 上海巨浪环保有限公司 | 液晶显示器的无害化拆解处理方法 |
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KR20140079050A (ko) * | 2012-12-18 | 2014-06-26 | 삼성코닝어드밴스드글라스 유한회사 | 산화인듐주석 분말 회수방법 및 이를 이용한 산화인듐주석 타겟의 제조방법 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001137804A (ja) * | 1999-11-12 | 2001-05-22 | Hitachi Ltd | 廃液晶表示装置の処理方法及び処理装置 |
CN101722169A (zh) * | 2009-11-20 | 2010-06-09 | 郭玉文 | 一种废液晶显示器无害化热处理的方法 |
CN103157646A (zh) * | 2011-12-14 | 2013-06-19 | 深圳市格林美高新技术股份有限公司 | 一种废旧液晶显示器的综合处理方法 |
CN103602815A (zh) * | 2013-11-06 | 2014-02-26 | 四川长虹电器股份有限公司 | 从废液晶显示器中回收铟的方法 |
CN104624598A (zh) * | 2013-11-08 | 2015-05-20 | 上海巨浪环保有限公司 | 液晶显示器的无害化拆解处理方法 |
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Address after: 225000 Industrial Park, Yiling Town, Jiangdu District, Yangzhou City, Jiangsu Province Patentee after: Jiangsu Ningda environmental protection Co.,Ltd. Address before: 225231 No.1 Road, industrial park, Yiling Town, Jiangdu District, Yangzhou City, Jiangsu Province Patentee before: YANGZHOU NINGDA NOBLE METAL Co.,Ltd. |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method for comprehensive recovery of indium, glass, and polarizers from waste LCD screens Granted publication date: 20210302 Pledgee: Yangzhou Branch of Zheshang Bank Co.,Ltd. Pledgor: Jiangsu Ningda environmental protection Co.,Ltd. Registration number: Y2024980009363 |
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