RU2018120739A3 - - Google Patents
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- Publication number
- RU2018120739A3 RU2018120739A3 RU2018120739A RU2018120739A RU2018120739A3 RU 2018120739 A3 RU2018120739 A3 RU 2018120739A3 RU 2018120739 A RU2018120739 A RU 2018120739A RU 2018120739 A RU2018120739 A RU 2018120739A RU 2018120739 A3 RU2018120739 A3 RU 2018120739A3
- Authority
- RU
- Russia
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
- B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/42—Regulation; Control
- B01D3/4211—Regulation; Control of columns
- B01D3/4261—Side stream
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/32—Separation; Purification; Stabilisation; Use of additives
- C07C253/34—Separation; Purification
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510782236.XA CN106699599A (en) | 2015-11-16 | 2015-11-16 | Heads column pump circulation |
| CN201510782236.X | 2015-11-16 | ||
| PCT/US2016/060252 WO2017087175A1 (en) | 2015-11-16 | 2016-11-03 | Hcn heads column pump around for acrylonitrile recovery |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| RU2018120739A RU2018120739A (en) | 2019-12-18 |
| RU2018120739A3 true RU2018120739A3 (en) | 2020-01-30 |
| RU2721779C2 RU2721779C2 (en) | 2020-05-22 |
Family
ID=57389524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2018120739A RU2721779C2 (en) | 2015-11-16 | 2016-11-03 | Circulatory reflux of overhead tower |
Country Status (4)
| Country | Link |
|---|---|
| CN (2) | CN114870421A (en) |
| RU (1) | RU2721779C2 (en) |
| TR (1) | TR201806463T1 (en) |
| WO (1) | WO2017087175A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU373271A1 (en) * | 1969-12-08 | 1973-03-12 | METHOD OF ACRYLONITRILE REGENERATION | |
| RU2263108C1 (en) * | 2001-08-21 | 2005-10-27 | Дзе Стэндард Ойл Компани | Method for extraction of acrylonitrile, methacrylonitrile or hydrogen cyanide |
| KR100799513B1 (en) * | 2001-08-21 | 2008-01-31 | 더 스탠다드 오일 캄파니 | Improved operation of heads column in acrylonitrile production |
| JP5605921B2 (en) * | 2010-12-27 | 2014-10-15 | 旭化成ケミカルズ株式会社 | Purification method of acrylonitrile |
| JP6143744B2 (en) * | 2012-03-26 | 2017-06-07 | 旭化成株式会社 | Acetonitrile purification method |
| CN104922923A (en) * | 2014-03-21 | 2015-09-23 | 英尼奥斯欧洲股份公司 | Inhibitor adding head fraction tower operation |
| CN104922926A (en) * | 2014-03-21 | 2015-09-23 | 英尼奥斯欧洲股份公司 | Head fraction tower tower-top system |
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2015
- 2015-11-16 CN CN202210464254.3A patent/CN114870421A/en active Pending
- 2015-11-16 CN CN201510782236.XA patent/CN106699599A/en active Pending
-
2016
- 2016-11-03 RU RU2018120739A patent/RU2721779C2/en active
- 2016-11-03 TR TR2018/06463T patent/TR201806463T1/en unknown
- 2016-11-03 WO PCT/US2016/060252 patent/WO2017087175A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017087175A1 (en) | 2017-05-26 |
| RU2018120739A (en) | 2019-12-18 |
| RU2721779C2 (en) | 2020-05-22 |
| CN106699599A (en) | 2017-05-24 |
| CN114870421A (en) | 2022-08-09 |
| TR201806463T1 (en) | 2018-07-23 |