CN110545895A - 一种废气中二氯甲烷的回收工艺 - Google Patents
一种废气中二氯甲烷的回收工艺 Download PDFInfo
- Publication number
- CN110545895A CN110545895A CN201780089545.6A CN201780089545A CN110545895A CN 110545895 A CN110545895 A CN 110545895A CN 201780089545 A CN201780089545 A CN 201780089545A CN 110545895 A CN110545895 A CN 110545895A
- Authority
- CN
- China
- Prior art keywords
- tower
- white oil
- dichloromethane
- lean
- desorption
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1487—Removing organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1425—Regeneration of liquid absorbents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C19/00—Acyclic saturated compounds containing halogen atoms
- C07C19/01—Acyclic saturated compounds containing halogen atoms containing chlorine
- C07C19/03—Chloromethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
一种废气中二氯甲烷的回收工艺,具体步骤是:第一步,将含有二氯甲烷的废气(1)引入二氯甲烷吸收塔(3)的底部,将贫白油(12)送入二氯甲烷吸收塔(3)的顶部,两相在塔内逆流接触后,将塔顶尾气(5)直排大气,将富白油(4)送入解吸塔(8);第二步,在解吸塔(8)中上部引入第一步的富白油(4),解吸塔(8)塔顶蒸汽经干式真空泵(9)抽出并冷凝后回流,并采出二氯甲烷液体(11),用解析后的贫白油(12)给富白油(4)预热,而后冷却到20℃回到二氯甲烷吸收塔(3)回用。
Description
PCT国内申请,说明书已公开。
Claims (8)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2017102471883 | 2017-04-14 | ||
CN201710247188 | 2017-04-14 | ||
PCT/CN2017/118042 WO2018188375A1 (zh) | 2017-04-14 | 2017-12-22 | 一种废气中二氯甲烷的回收工艺 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110545895A true CN110545895A (zh) | 2019-12-06 |
Family
ID=63792279
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710371548.0A Pending CN108722117A (zh) | 2017-04-14 | 2017-05-23 | 一种废气中二氯甲烷的回收工艺 |
CN201780089545.6A Pending CN110545895A (zh) | 2017-04-14 | 2017-12-22 | 一种废气中二氯甲烷的回收工艺 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710371548.0A Pending CN108722117A (zh) | 2017-04-14 | 2017-05-23 | 一种废气中二氯甲烷的回收工艺 |
Country Status (2)
Country | Link |
---|---|
CN (2) | CN108722117A (zh) |
WO (1) | WO2018188375A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117507293A (zh) * | 2023-11-08 | 2024-02-06 | 浙江信汇新材料股份有限公司 | 一种基于微波干燥的卤化丁基橡胶干燥脱挥及尾气处理工艺方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111689834A (zh) * | 2020-07-06 | 2020-09-22 | 中材锂膜有限公司 | 一种湿法锂电池隔膜萃取液分离节能装置 |
CN115382352A (zh) * | 2021-05-25 | 2022-11-25 | 浙江毅聚新材料有限公司 | 含二氯甲烷废气的二氯甲烷回收工艺和回收*** |
CN114225651A (zh) * | 2021-11-23 | 2022-03-25 | 安徽金禾实业股份有限公司 | 一种三氯蔗糖酯化溶剂环己烷回收装置及方法 |
CN114225652B (zh) * | 2021-12-08 | 2022-10-25 | 华南理工大学 | 一种无补充吸收剂的石油吸收稳定工艺及石油炼化设备 |
CN115501723B (zh) * | 2022-09-29 | 2023-11-03 | 山东海科创新研究院有限公司 | 一种一氯甲烷废气的回收方法 |
CN116392931A (zh) * | 2023-05-15 | 2023-07-07 | 盐城优和博新材料有限公司 | 一种超高强度聚乙烯纤维生产尾气处理***及方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103203157A (zh) * | 2013-03-20 | 2013-07-17 | 杭州中环环保工程有限公司 | 一种二氯甲烷废气处理方法及其*** |
CN204121940U (zh) * | 2014-11-07 | 2015-01-28 | 清本环保工程(杭州)有限公司 | 感光膜印刷中气体处理*** |
JP2015112561A (ja) * | 2013-12-12 | 2015-06-22 | 学校法人慶應義塾 | Voc除去装置、voc除去システム、voc除去方法およびvoc除去用除去液 |
CN104844416A (zh) * | 2015-03-26 | 2015-08-19 | 南京师范大学 | 多级萃取吸收二甲四氯合成尾气中二氯甲烷和一氯丙酮的方法 |
CN205495288U (zh) * | 2016-01-17 | 2016-08-24 | 张桂华 | 一种近零排放的VOCs气体资源化回收处理装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1962028A (zh) * | 2006-10-26 | 2007-05-16 | 清华大学 | 一种废气中二氯甲烷的回收方法 |
CN203556260U (zh) * | 2013-10-28 | 2014-04-23 | 张桂华 | 废水或废气中易挥发有机溶剂的回收装置 |
CN103834429A (zh) * | 2014-03-14 | 2014-06-04 | 赵胜 | 一种有机溶剂混合物的分离方法及*** |
-
2017
- 2017-05-23 CN CN201710371548.0A patent/CN108722117A/zh active Pending
- 2017-12-22 CN CN201780089545.6A patent/CN110545895A/zh active Pending
- 2017-12-22 WO PCT/CN2017/118042 patent/WO2018188375A1/zh active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103203157A (zh) * | 2013-03-20 | 2013-07-17 | 杭州中环环保工程有限公司 | 一种二氯甲烷废气处理方法及其*** |
JP2015112561A (ja) * | 2013-12-12 | 2015-06-22 | 学校法人慶應義塾 | Voc除去装置、voc除去システム、voc除去方法およびvoc除去用除去液 |
CN204121940U (zh) * | 2014-11-07 | 2015-01-28 | 清本环保工程(杭州)有限公司 | 感光膜印刷中气体处理*** |
CN104844416A (zh) * | 2015-03-26 | 2015-08-19 | 南京师范大学 | 多级萃取吸收二甲四氯合成尾气中二氯甲烷和一氯丙酮的方法 |
CN205495288U (zh) * | 2016-01-17 | 2016-08-24 | 张桂华 | 一种近零排放的VOCs气体资源化回收处理装置 |
Non-Patent Citations (2)
Title |
---|
吴斌 主编: "《浙江省环境监测中心30周年优秀论文选集》", 31 October 2010, 中国环境科学出版社 * |
胡健华等: "《油脂浸出工艺学》", 31 October 1997, 中国商业出版社 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117507293A (zh) * | 2023-11-08 | 2024-02-06 | 浙江信汇新材料股份有限公司 | 一种基于微波干燥的卤化丁基橡胶干燥脱挥及尾气处理工艺方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2018188375A1 (zh) | 2018-10-18 |
CN108722117A (zh) | 2018-11-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110545895A (zh) | 一种废气中二氯甲烷的回收工艺 | |
CN108383085B (zh) | 一种连续法盐酸全解析制取氯化氢气体的装置及方法 | |
CN103071307B (zh) | 一种精馏-蒸汽渗透耦合的有机溶剂脱水方法及装置 | |
RU2454269C2 (ru) | Регенерация поглотителя обедненным раствором, подвергнутым мгновенному испарению, и интеграция тепла | |
NO20092229L (no) | Reclaimer for absorbent | |
CN109999618B (zh) | 一种中高压气源中二氧化碳的分离***及方法 | |
EP2683463B1 (en) | Process and apparatus for removing heat and water from flue gas | |
CN110407173B (zh) | 一种废酸处理***及利用该***处理废酸的方法 | |
CN102502500A (zh) | 一种盐酸解析生产氯化氢的装置 | |
CN102241418A (zh) | 一种剩余氨水负压蒸馏设备及方法 | |
CN104817481A (zh) | 一种从dmso水溶液中回收dmso的工艺方法 | |
CN101186347A (zh) | 从废水中回收低沸点有机溶剂的方法 | |
CN102115436B (zh) | 减压汽提式精馏回收稀丙酮水溶液中丙酮的方法 | |
CN104671210B (zh) | 一种四氟化硅与无水氟化氢混合气体的直接分离方法 | |
CN107641083B (zh) | 一种共沸联合变压精馏分离乙酸乙酯和正己烷的节能方法 | |
CN102489118A (zh) | 一种含溶剂蒸汽的不凝气体中溶剂回收方法及其装置 | |
CN103961894A (zh) | 固液混合高温溶液废热回收利用装置及方法 | |
CN101607718A (zh) | 一种粗吗啉中氨的回收方法 | |
CN113457381A (zh) | 一种节能型烟囱排放气捕集回收二氧化碳工艺 | |
CN206896878U (zh) | 一种通过萃取精馏将三元共沸物脱水的装置 | |
CN108854456B (zh) | 一种解析塔热能回收利用***和利用方法 | |
CN114470841A (zh) | 一种预浸工段热能回收设备 | |
JP6312614B2 (ja) | 含水エタノールの蒸留装置および無水エタノールの製造方法 | |
CN109956866A (zh) | 一种从工业中有机污水中分离回收乙酸乙酯和正庚烷的方法 | |
CN111943141A (zh) | 一种具有负压脱水功能的盐酸解析装置及解析工艺 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |