CN101544558A - 从含水甲酸中分离精制得到高纯度甲酸的方法 - Google Patents
从含水甲酸中分离精制得到高纯度甲酸的方法 Download PDFInfo
- Publication number
- CN101544558A CN101544558A CN200810045043A CN200810045043A CN101544558A CN 101544558 A CN101544558 A CN 101544558A CN 200810045043 A CN200810045043 A CN 200810045043A CN 200810045043 A CN200810045043 A CN 200810045043A CN 101544558 A CN101544558 A CN 101544558A
- Authority
- CN
- China
- Prior art keywords
- formic acid
- tower
- concentration
- vacuum distillation
- obtains
- 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.)
- Granted
Links
- BDAGIHXWWSANSR-UHFFFAOYSA-N Formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 title claims abstract description 299
- 235000019253 formic acid Nutrition 0.000 title claims abstract description 147
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000000926 separation method Methods 0.000 title claims description 23
- 238000007670 refining Methods 0.000 title claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000002994 raw material Substances 0.000 claims abstract description 26
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 139
- 239000000463 material Substances 0.000 claims description 48
- 238000005292 vacuum distillation Methods 0.000 claims description 45
- 241000282326 Felis catus Species 0.000 claims description 29
- 238000000605 extraction Methods 0.000 claims description 21
- 230000006837 decompression Effects 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 4
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000004821 distillation Methods 0.000 claims 1
- 239000000945 filler Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 18
- 239000000047 product Substances 0.000 description 17
- 230000000630 rising effect Effects 0.000 description 13
- HQVFCQRVQFYGRJ-UHFFFAOYSA-N formic acid;hydrate Chemical compound O.OC=O HQVFCQRVQFYGRJ-UHFFFAOYSA-N 0.000 description 7
- 238000010992 reflux Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010533 azeotropic distillation Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Images
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200810045043.6A CN101544558B (zh) | 2008-03-24 | 2008-03-24 | 从含水甲酸中分离精制得到高纯度甲酸的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200810045043.6A CN101544558B (zh) | 2008-03-24 | 2008-03-24 | 从含水甲酸中分离精制得到高纯度甲酸的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101544558A true CN101544558A (zh) | 2009-09-30 |
CN101544558B CN101544558B (zh) | 2014-05-07 |
Family
ID=41191961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200810045043.6A Expired - Fee Related CN101544558B (zh) | 2008-03-24 | 2008-03-24 | 从含水甲酸中分离精制得到高纯度甲酸的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101544558B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019182785A (ja) * | 2018-04-10 | 2019-10-24 | 月島環境エンジニアリング株式会社 | ギ酸の回収方法 |
CN112079710A (zh) * | 2020-09-07 | 2020-12-15 | 河北鹏发化工有限公司 | 一种对甲酸水溶液进行浓缩制备高浓甲酸的方法 |
CN115353450A (zh) * | 2022-09-26 | 2022-11-18 | 河北康壮环保科技股份有限公司 | 一种稀甲酸浓缩的工艺 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2914671A1 (de) * | 1979-04-11 | 1980-10-23 | Basf Ag | Verfahren zur gewinnung von wasserfreier oder weitgehend wasserfreier ameisensaeure |
DE4237339A1 (de) * | 1992-11-05 | 1994-05-11 | Salzgitter Anlagenbau | Ein Verfahren zur Herstellung von Ameisensäure |
DE10002791A1 (de) * | 2000-01-24 | 2001-07-26 | Basf Ag | Verfahren zur Gewinnung von wasserfreier Ameisensäure |
CN100551895C (zh) * | 2006-09-13 | 2009-10-21 | 西南化工研究设计院 | 一种从含醋酸废水中回收醋酸的方法 |
-
2008
- 2008-03-24 CN CN200810045043.6A patent/CN101544558B/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019182785A (ja) * | 2018-04-10 | 2019-10-24 | 月島環境エンジニアリング株式会社 | ギ酸の回収方法 |
JP7037993B2 (ja) | 2018-04-10 | 2022-03-17 | 月島環境エンジニアリング株式会社 | ギ酸の回収方法 |
CN112079710A (zh) * | 2020-09-07 | 2020-12-15 | 河北鹏发化工有限公司 | 一种对甲酸水溶液进行浓缩制备高浓甲酸的方法 |
CN115353450A (zh) * | 2022-09-26 | 2022-11-18 | 河北康壮环保科技股份有限公司 | 一种稀甲酸浓缩的工艺 |
Also Published As
Publication number | Publication date |
---|---|
CN101544558B (zh) | 2014-05-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104557529A (zh) | 一种用于醋酸正丙酯酯化合成的精制方法及装置 | |
US6713649B1 (en) | Method for production of formic acid | |
CN105418368A (zh) | 一种生产高纯乙醇的工艺及装置 | |
CN104027996A (zh) | 一种渗透汽化与精馏耦合的系统及其用途 | |
CN108059597B (zh) | 一种反应精馏与渗透汽化集成生产乙酸乙酯的方法及其装置 | |
CN100564335C (zh) | 一种甲酸的制备方法 | |
CN101844973B (zh) | 一种甲基丙烯醛吸收及分离的方法 | |
CN101830788A (zh) | 变压精馏分离甲乙酮和水共沸物的方法 | |
CN101544558B (zh) | 从含水甲酸中分离精制得到高纯度甲酸的方法 | |
CN112237749A (zh) | 一种盐效应反应精馏合成三聚甲醛的装置及方法 | |
CN107867996B (zh) | 乙酰丙酸类化合物的分离方法 | |
CN102180772B (zh) | 一种环己烯水合制备环己醇的方法 | |
CN103373919A (zh) | 聚乙烯醇生产中醇解废液的分离回收方法及设备 | |
CN109485548B (zh) | 一种由乙酸仲丁酯水解制备和分离仲丁醇的方法及装置 | |
CN1395552A (zh) | 净化废气气流的方法 | |
CN105693468B (zh) | 醋酸异丙酯氢化法生产乙醇和异丙醇的后处理方法 | |
CN114644549A (zh) | 一种甲酸的生产系统及生产工艺 | |
CN109678690B (zh) | 一种甲基异丁基酮联产二异丁基酮的生产工艺 | |
CN204727810U (zh) | 一种用于头孢曲松钠合成中乙腈的回收精制装置 | |
KR101496621B1 (ko) | 트리옥산의 제조 방법 | |
CN106187767A (zh) | 一种用于包装印刷行业乙酸乙酯废液脱水去醇的精制方法及装置 | |
CN112479869A (zh) | 一种煤化工草酸二甲酯精馏的方法 | |
EP3665144B1 (en) | Process for recovering 3-methylbut-3-en-1-ol | |
CN204400881U (zh) | 一种用于醋酸正丙酯酯化合成的精制装置 | |
CN102452925A (zh) | 用于分离醋酸和水的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
ASS | Succession or assignment of patent right |
Owner name: SICHUAN PROVINCE DAKETE ENERGY TECHNOLOGY CO., LTD Free format text: FORMER OWNER: SICHUAN PROVINCE DAKETE CHEMICAL TECHNOLOGY CO., LTD Effective date: 20100608 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610041 5/F, CHENGDU BRANCH OFFICE BUILDING OF CHINESE ACADEMY OF SCIENCES, NO.9, SECTION 4, RENMIN SOUTH ROAD, CHENGDU CITY HIGH-TECH ZONE, SICHUAN PROVINCE TO: 600041 5/F, CHENGDU BRANCH OFFICE BUILDING OF CHINESE ACADEMY OF SCIENCES, NO.9, SECTION 4, RENMIN SOUTH ROAD, CHENGDU CITY HIGH-TECH ZONE, SICHUAN PROVINCE |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20100608 Address after: 600041, 5F building, Chengdu branch, Chinese Academy of Sciences, four South Renmin Road, 9 high tech Zone, Sichuan, Chengdu Applicant after: Sichuan DKT Energy Technology Co., Ltd. Address before: 5, building 9, building 610041, Chengdu branch, Chinese Academy of Sciences, four South Renmin Road, Chengdu high tech Zone, Sichuan Applicant before: Dekete Chemical Science-Technology Co., Ltd., Sichuan Prov. |
|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 5F, Chengdu branch of Chinese Academy of Sciences, No. four, Renmin South Road, Chengdu hi tech Zone, Sichuan, 9 Patentee after: SICHUAN DKT ENERGY TECHNOLOGY CO., LTD. Address before: 5F, Chengdu branch of Chinese Academy of Sciences, No. four, Renmin South Road, Chengdu hi tech Zone, Sichuan, 9 Patentee before: Sichuan DKT Energy Technology Co., Ltd. |
|
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: 20140507 Termination date: 20200324 |