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 PDF

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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
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tower
white oil
dichloromethane
lean
desorption
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CN201780089545.6A
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English (en)
Inventor
项威
来庆发
王庆云
宋兴豪
陈干英
姚红果
丁少峰
陈学青
张伟
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SHIJIAZHUANG GONGDA CHEMICAL EQUIPMENT CO Ltd
Shandong ICD High Performance Fibre Co Ltd
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SHIJIAZHUANG GONGDA CHEMICAL EQUIPMENT CO Ltd
Shandong ICD High Performance Fibre Co Ltd
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Publication of CN110545895A publication Critical patent/CN110545895A/zh
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    • 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

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  • 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)

  1. PCT国内申请，权利要求书已公开。
CN201780089545.6A 2017-04-14 2017-12-22 一种废气中二氯甲烷的回收工艺 Pending CN110545895A (zh)

Applications Claiming Priority (3)

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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

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CN110545895A true CN110545895A (zh) 2019-12-06

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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

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WO (1) WO2018188375A1 (zh)

Cited By (1)

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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

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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

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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

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