CN100518969C - 一种低温真空热解废印刷线路板预处理方法 - Google Patents
一种低温真空热解废印刷线路板预处理方法 Download PDFInfo
- Publication number
- CN100518969C CN100518969C CNB2006101131091A CN200610113109A CN100518969C CN 100518969 C CN100518969 C CN 100518969C CN B2006101131091 A CNB2006101131091 A CN B2006101131091A CN 200610113109 A CN200610113109 A CN 200610113109A CN 100518969 C CN100518969 C CN 100518969C
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- China
- Prior art keywords
- pyrolysis
- vacuum
- temperature
- printed circuit
- waste printed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000002699 waste material Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000010494 dissociation reaction Methods 0.000 title description 10
- 230000005593 dissociations Effects 0.000 title description 10
- 238000007781 pre-processing Methods 0.000 title 1
- 238000000197 pyrolysis Methods 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000007158 vacuum pyrolysis Methods 0.000 claims abstract description 10
- 238000005516 engineering process Methods 0.000 claims abstract description 7
- 238000012216 screening Methods 0.000 claims abstract description 6
- 150000002013 dioxins Chemical class 0.000 claims abstract description 5
- 238000002203 pretreatment Methods 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 11
- 239000002184 metal Substances 0.000 abstract description 11
- 238000000926 separation method Methods 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- 150000002739 metals Chemical class 0.000 abstract description 3
- 229910052755 nonmetal Inorganic materials 0.000 abstract description 3
- 230000004913 activation Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 abstract 1
- 150000002843 nonmetals Chemical class 0.000 abstract 1
- 231100000719 pollutant Toxicity 0.000 abstract 1
- 238000000053 physical method Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011978 dissolution method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000843 powder Substances 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
- 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
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006101131091A CN100518969C (zh) | 2006-09-15 | 2006-09-15 | 一种低温真空热解废印刷线路板预处理方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006101131091A CN100518969C (zh) | 2006-09-15 | 2006-09-15 | 一种低温真空热解废印刷线路板预处理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1919482A CN1919482A (zh) | 2007-02-28 |
CN100518969C true CN100518969C (zh) | 2009-07-29 |
Family
ID=37777400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006101131091A Expired - Fee Related CN100518969C (zh) | 2006-09-15 | 2006-09-15 | 一种低温真空热解废印刷线路板预处理方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100518969C (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101992203B (zh) * | 2010-11-02 | 2013-04-03 | 广东工业大学 | 废旧电子线路板真空热解试验装置 |
CN102151689B (zh) * | 2010-12-07 | 2014-04-16 | 清华大学 | 一种层压复合废料热改性处理设备及方法 |
CN102172600B (zh) * | 2011-03-14 | 2013-04-17 | 广东工业大学 | 一种利用废旧电路板类废弃物真空热解油综合回收方法 |
CN104096704A (zh) * | 2013-04-03 | 2014-10-15 | 中国科学院生态环境研究中心 | 一种废弃线路板中钯的富集方法 |
KR20160048970A (ko) * | 2013-09-03 | 2016-05-04 | 린데 악티엔게젤샤프트 | 폐기 pcb의 극저온-스매싱 |
CN110434159A (zh) * | 2019-08-26 | 2019-11-12 | 华南理工大学 | 一种快速回收废旧覆铜板中铜箔的方法 |
CN110925780B (zh) * | 2019-12-13 | 2022-05-03 | 北京工业大学 | 一种废线路板两段式钢带真空热解装置 |
CN116001144A (zh) * | 2022-12-22 | 2023-04-25 | 国能思达科技有限公司 | 废旧风机叶片的回收方法及系统 |
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2006
- 2006-09-15 CN CNB2006101131091A patent/CN100518969C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1919482A (zh) | 2007-02-28 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Suzhou TES-AMM Electronic Waste Processing Technology Co., Ltd. Assignor: Tsinghua University Contract record no.: 2012320000175 Denomination of invention: Low-temperature vacuum themal dissociation waste printed wiring board preprocessing method Granted publication date: 20090729 License type: Exclusive License Open date: 20070228 Record date: 20120307 |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20180915 |