CN114057541B - 一种废弃二氯甲烷超重力耦合膜脱水的精制回收方法 - Google Patents
一种废弃二氯甲烷超重力耦合膜脱水的精制回收方法 Download PDFInfo
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- CN114057541B CN114057541B CN202111499436.6A CN202111499436A CN114057541B CN 114057541 B CN114057541 B CN 114057541B CN 202111499436 A CN202111499436 A CN 202111499436A CN 114057541 B CN114057541 B CN 114057541B
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
- C07C17/386—Separation; Purification; Stabilisation; Use of additives by distillation with auxiliary compounds
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- 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
- Y02P20/10—Process efficiency
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CN202111499436.6A CN114057541B (zh) | 2021-12-09 | 2021-12-09 | 一种废弃二氯甲烷超重力耦合膜脱水的精制回收方法 |
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CN202111499436.6A CN114057541B (zh) | 2021-12-09 | 2021-12-09 | 一种废弃二氯甲烷超重力耦合膜脱水的精制回收方法 |
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CN114057541A CN114057541A (zh) | 2022-02-18 |
CN114057541B true CN114057541B (zh) | 2023-08-15 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102451619A (zh) * | 2010-10-15 | 2012-05-16 | 中国石油化工股份有限公司 | Y型分子筛膜及二氯甲烷中水分的脱除方法 |
CN104529006A (zh) * | 2014-12-30 | 2015-04-22 | 苏州市晶协高新电子材料有限公司 | 一种降低二氯甲烷废液酸度和水分的装置 |
CN106587475A (zh) * | 2016-12-21 | 2017-04-26 | 苏州市晶协高新电子材料有限公司 | 一种使用超重力床结合膜分离技术回收废液中乙酸乙酯的装置及方法 |
CN107308674A (zh) * | 2017-08-17 | 2017-11-03 | 武汉智宏思博环保科技有限公司 | 一种超重力床结合分子筛膜的有机溶剂脱水设备 |
CN109912383A (zh) * | 2019-04-15 | 2019-06-21 | 新中天环保股份有限公司 | 一种从制药工业废液中回收二氯甲烷的提纯系统 |
CN109928861A (zh) * | 2019-04-15 | 2019-06-25 | 新中天环保股份有限公司 | 一种从废溶剂中回收二氯甲烷的提纯方法 |
Family Cites Families (1)
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JP2014221727A (ja) * | 2013-05-13 | 2014-11-27 | 昭和電工株式会社 | ジクロロメタンの精製方法およびそれを用いるジフルオロメタンの製造方法 |
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- 2021-12-09 CN CN202111499436.6A patent/CN114057541B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102451619A (zh) * | 2010-10-15 | 2012-05-16 | 中国石油化工股份有限公司 | Y型分子筛膜及二氯甲烷中水分的脱除方法 |
CN104529006A (zh) * | 2014-12-30 | 2015-04-22 | 苏州市晶协高新电子材料有限公司 | 一种降低二氯甲烷废液酸度和水分的装置 |
CN106587475A (zh) * | 2016-12-21 | 2017-04-26 | 苏州市晶协高新电子材料有限公司 | 一种使用超重力床结合膜分离技术回收废液中乙酸乙酯的装置及方法 |
CN107308674A (zh) * | 2017-08-17 | 2017-11-03 | 武汉智宏思博环保科技有限公司 | 一种超重力床结合分子筛膜的有机溶剂脱水设备 |
CN109912383A (zh) * | 2019-04-15 | 2019-06-21 | 新中天环保股份有限公司 | 一种从制药工业废液中回收二氯甲烷的提纯系统 |
CN109928861A (zh) * | 2019-04-15 | 2019-06-25 | 新中天环保股份有限公司 | 一种从废溶剂中回收二氯甲烷的提纯方法 |
Non-Patent Citations (1)
Title |
---|
陈阳 ; 隋志军 ; .超重力精馏技术.化工中间体.2013,(04),第29-32页. * |
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