CN114350016B - 一种去除废聚酯纺织品中氨纶的方法和生产系统 - Google Patents
一种去除废聚酯纺织品中氨纶的方法和生产系统 Download PDFInfo
- Publication number
- CN114350016B CN114350016B CN202111595503.4A CN202111595503A CN114350016B CN 114350016 B CN114350016 B CN 114350016B CN 202111595503 A CN202111595503 A CN 202111595503A CN 114350016 B CN114350016 B CN 114350016B
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- waste
- spandex
- waste polyester
- polyester
- dimethylacetamide
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- 229920000728 polyester Polymers 0.000 title claims abstract description 133
- 239000002699 waste material Substances 0.000 title claims abstract description 112
- 239000004753 textile Substances 0.000 title claims abstract description 78
- 229920002334 Spandex Polymers 0.000 title claims abstract description 51
- 239000004759 spandex Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000011084 recovery Methods 0.000 claims abstract description 33
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000004064 recycling Methods 0.000 claims abstract description 10
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 62
- 239000007788 liquid Substances 0.000 claims description 45
- 238000006243 chemical reaction Methods 0.000 claims description 39
- 238000004821 distillation Methods 0.000 claims description 30
- 239000002351 wastewater Substances 0.000 claims description 13
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- 238000009987 spinning Methods 0.000 claims description 9
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- 238000001704 evaporation Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000010 aprotic solvent Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000012295 chemical reaction liquid Substances 0.000 claims description 4
- 239000012634 fragment Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 2
- 238000000280 densification Methods 0.000 claims 1
- 239000000835 fiber Substances 0.000 abstract description 15
- 239000000126 substance Substances 0.000 abstract description 8
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- 230000009286 beneficial effect Effects 0.000 abstract description 3
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- 238000011161 development Methods 0.000 abstract description 2
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- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 description 23
- 239000004814 polyurethane Substances 0.000 description 15
- 229920002635 polyurethane Polymers 0.000 description 15
- 239000004744 fabric Substances 0.000 description 12
- 239000000047 product Substances 0.000 description 7
- 239000000155 melt Substances 0.000 description 6
- 238000006136 alcoholysis reaction Methods 0.000 description 4
- 238000005496 tempering Methods 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000004970 Chain extender Substances 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002667 nucleating agent Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
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- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
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- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
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CN202111595503.4A CN114350016B (zh) | 2021-12-24 | 2021-12-24 | 一种去除废聚酯纺织品中氨纶的方法和生产系统 |
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CN202111595503.4A CN114350016B (zh) | 2021-12-24 | 2021-12-24 | 一种去除废聚酯纺织品中氨纶的方法和生产系统 |
Publications (2)
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CN114350016A CN114350016A (zh) | 2022-04-15 |
CN114350016B true CN114350016B (zh) | 2024-02-09 |
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CN202111595503.4A Active CN114350016B (zh) | 2021-12-24 | 2021-12-24 | 一种去除废聚酯纺织品中氨纶的方法和生产系统 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103275347A (zh) * | 2013-05-29 | 2013-09-04 | 新疆蓝山屯河聚酯有限公司 | Pet树脂连续聚合设备中的回收装置 |
CN104003565A (zh) * | 2014-05-28 | 2014-08-27 | 东莞市灿森新材料有限公司 | 一种高性能芳纶纤维生产过程中多组份废液的回收方法 |
CN104944661A (zh) * | 2015-04-14 | 2015-09-30 | 常州冀德环保科技有限公司 | 一种dmac或dmf废液的七塔五效精馏系统及其回收方法 |
CN110790980A (zh) * | 2019-10-22 | 2020-02-14 | 宁波大发化纤有限公司 | 一种废聚酯纤维制品中混纺材料的分离除杂方法 |
-
2021
- 2021-12-24 CN CN202111595503.4A patent/CN114350016B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103275347A (zh) * | 2013-05-29 | 2013-09-04 | 新疆蓝山屯河聚酯有限公司 | Pet树脂连续聚合设备中的回收装置 |
CN104003565A (zh) * | 2014-05-28 | 2014-08-27 | 东莞市灿森新材料有限公司 | 一种高性能芳纶纤维生产过程中多组份废液的回收方法 |
CN104944661A (zh) * | 2015-04-14 | 2015-09-30 | 常州冀德环保科技有限公司 | 一种dmac或dmf废液的七塔五效精馏系统及其回收方法 |
CN110790980A (zh) * | 2019-10-22 | 2020-02-14 | 宁波大发化纤有限公司 | 一种废聚酯纤维制品中混纺材料的分离除杂方法 |
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CN114350016A (zh) | 2022-04-15 |
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Inventor after: He Xiao Inventor after: Xing Xiquan Inventor after: Zhu Shi Inventor after: Qian Jun Inventor after: Li Zhen Inventor after: Du Guoqiang Inventor after: Ma Zhefeng Inventor after: Wang Fanghe Inventor before: He Xiao Inventor before: Xing Xiquan Inventor before: Zhu Shi Inventor before: Qian Jun Inventor before: Li Zhen Inventor before: Du Guoqiang Inventor before: Ma Zhefeng Inventor before: Wu Fanghe |
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