IT1014707B - Processo per il recupero di acrilo nitrile o metacrilonitrile median te condensazione - Google Patents
Processo per il recupero di acrilo nitrile o metacrilonitrile median te condensazioneInfo
- Publication number
- IT1014707B IT1014707B IT23521/74A IT2352174A IT1014707B IT 1014707 B IT1014707 B IT 1014707B IT 23521/74 A IT23521/74 A IT 23521/74A IT 2352174 A IT2352174 A IT 2352174A IT 1014707 B IT1014707 B IT 1014707B
- Authority
- IT
- Italy
- Prior art keywords
- nitrile
- condensation
- recovery
- methacrylonitrile
- acrylic
- Prior art date
Links
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/367,840 US4234510A (en) | 1973-06-07 | 1973-06-07 | Recovery of acrylonitrile or methacrylonitrile by condensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1014707B true IT1014707B (it) | 1977-04-30 |
Family
ID=23448854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT23521/74A IT1014707B (it) | 1973-06-07 | 1974-06-03 | Processo per il recupero di acrilo nitrile o metacrilonitrile median te condensazione |
Country Status (22)
| Country | Link |
|---|---|
| US (1) | US4234510A (it) |
| JP (1) | JPS5929581B2 (it) |
| AR (1) | AR199261A1 (it) |
| BE (1) | BE816080A (it) |
| BG (1) | BG34183A3 (it) |
| BR (1) | BR7404644A (it) |
| CA (1) | CA1049559A (it) |
| CS (1) | CS175381B2 (it) |
| DD (1) | DD113351A5 (it) |
| DE (1) | DE2424897A1 (it) |
| EG (1) | EG11353A (it) |
| ES (1) | ES427054A1 (it) |
| FR (1) | FR2232540B1 (it) |
| GB (1) | GB1455318A (it) |
| IL (1) | IL44917A (it) |
| IN (1) | IN142425B (it) |
| IT (1) | IT1014707B (it) |
| NL (1) | NL184616C (it) |
| RO (1) | RO70377A (it) |
| SU (1) | SU679132A3 (it) |
| TR (1) | TR18142A (it) |
| ZA (1) | ZA743376B (it) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4341535A (en) * | 1981-01-02 | 1982-07-27 | The Standard Oil Co. | Ammonium sulfate recovery process |
| US5703268A (en) * | 1996-04-08 | 1997-12-30 | The Standard Oil Company | Acrylonitrile recovery process |
| US5629444A (en) * | 1996-06-06 | 1997-05-13 | The Standard Oil Company | Acrylonitrile recovery process |
| US5840955A (en) * | 1997-11-25 | 1998-11-24 | Sockell; Edward J. | Waste minimization and product recovery process |
| US5959134A (en) * | 1998-05-20 | 1999-09-28 | The Standard Oil Company | Recovery of organics from process flare header |
| US6296739B1 (en) * | 1999-01-08 | 2001-10-02 | The Standard Oil Company | Operation of heads column |
| US6107509A (en) * | 1999-03-31 | 2000-08-22 | The Standard Oil Company | Process for the recovery of acrylonitrile and methacrylontrile |
| US6054603A (en) * | 1999-04-06 | 2000-04-25 | The Standard Oil Company | Acrylonitrile recovery process |
| DE10037774A1 (de) * | 2000-08-03 | 2002-02-14 | Bayer Ag | Verfahren und Vorrichtung zur Gewinnung organischer Substanzen aus einem diese Substanzen enthaltenden Gasgemisch |
| JP2004217656A (ja) * | 2003-01-14 | 2004-08-05 | Solutia Inc | アクリロニトリル精製プロセスにおける凝縮させた冷却オーバーヘッドの再循環 |
| US8585870B2 (en) | 2008-03-05 | 2013-11-19 | E I Du Pont De Nemours And Company | Process to C-manufacture acrylonitrile and hydrogen cyanide |
| US20090299087A1 (en) * | 2008-05-28 | 2009-12-03 | Solutia, Inc. | Process for manufacturing unsaturated mononitriles to improve on-stream time and reduce fouling |
| CN102010350B (zh) * | 2009-09-07 | 2013-12-18 | 中国石油化工集团公司 | 增加丙烯腈或甲基丙烯腈生产能力的方法 |
| CN104888489A (zh) | 2014-03-06 | 2015-09-09 | 英尼奥斯欧洲股份公司 | 丙烯腈产物塔液位控制 |
| CN104922926A (zh) | 2014-03-21 | 2015-09-23 | 英尼奥斯欧洲股份公司 | 头馏分塔塔顶系统 |
| CN103968689A (zh) | 2014-05-26 | 2014-08-06 | 英尼奥斯欧洲股份公司 | 丙烯腈制造中的废水冷却器 |
| CN105521616A (zh) | 2014-09-29 | 2016-04-27 | 英尼奥斯欧洲股份公司 | 用于工艺流的蒸发系统 |
| CN112587950A (zh) | 2014-09-29 | 2021-04-02 | 英尼奥斯欧洲股份公司 | 用于工艺流的蒸发系统 |
| CN104587684A (zh) | 2014-09-30 | 2015-05-06 | 英尼奥斯欧洲股份公司 | 用于工艺流的蒸发系统 |
| CN104667558B (zh) * | 2015-02-27 | 2018-02-13 | 英尼奥斯欧洲股份公司 | 轻有机物汽提器塔系统和工艺 |
| CN104624401B (zh) | 2015-03-06 | 2019-01-15 | 英尼奥斯欧洲股份公司 | 改进的旋风分离器构造 |
| CN113336669A (zh) | 2015-03-06 | 2021-09-03 | 英尼奥斯欧洲股份公司 | 改进的丙烯腈制造 |
| CN104693069A (zh) | 2015-03-06 | 2015-06-10 | 英尼奥斯欧洲股份公司 | 改进的丙烯腈制造 |
| CN108025922B (zh) | 2015-07-22 | 2021-06-15 | 英威达纺织（英国）有限公司 | 来自丙烯腈共同制备的高纯度hcn |
| CN106892838A (zh) | 2015-12-17 | 2017-06-27 | 英尼奥斯欧洲股份公司 | 回收塔控制 |
| CN119100948A (zh) | 2015-12-17 | 2024-12-10 | 英尼奥斯欧洲股份公司 | 回收塔 |
| CN106892843A (zh) | 2015-12-17 | 2017-06-27 | 英尼奥斯欧洲股份公司 | 回收塔控制 |
| CN107941039B (zh) | 2016-10-12 | 2020-03-03 | 英尼奥斯欧洲股份公司 | 骤冷塔后冷却器 |
| CN112439296A (zh) * | 2019-09-05 | 2021-03-05 | 中石油吉林化工工程有限公司 | 丙烯腈装置吸收塔塔底低温循环工艺 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT225689B (de) * | 1961-04-08 | 1963-02-11 | Chemie Linz Ag | Verfahren zur Gewinnung von acetonitrilfreiem Acrylnitril |
| GB1051190A (it) * | 1962-12-19 | |||
| NL301608A (it) * | 1962-12-19 | |||
| FR1352268A (fr) * | 1963-01-05 | 1964-02-14 | Electro Chimie Soc D | Perfectionnements à la purification des nitriles non saturés |
| GB1051080A (it) * | 1964-08-14 | |||
| NL6605077A (it) * | 1965-05-04 | 1966-11-07 | ||
| US3636067A (en) * | 1969-10-10 | 1972-01-18 | Monsanto Co | Purification of acrylonitrile by absorption plural distillation andrecycle of bottoms stream to the absorber |
| US3636068A (en) * | 1969-10-10 | 1972-01-18 | Monsanto Co | Purification of acrylonitrile by quenching absorption distillation and recycle to the absorber |
-
1973
- 1973-06-07 US US05/367,840 patent/US4234510A/en not_active Expired - Lifetime
-
1974
- 1974-05-22 DE DE19742424897 patent/DE2424897A1/de not_active Ceased
- 1974-05-27 ZA ZA00743376A patent/ZA743376B/xx unknown
- 1974-05-29 IL IL44917A patent/IL44917A/en unknown
- 1974-05-31 NL NLAANVRAGE7407438,A patent/NL184616C/xx not_active IP Right Cessation
- 1974-06-03 IT IT23521/74A patent/IT1014707B/it active
- 1974-06-05 DD DD178964A patent/DD113351A5/xx unknown
- 1974-06-06 ES ES427054A patent/ES427054A1/es not_active Expired
- 1974-06-06 CA CA201,819A patent/CA1049559A/en not_active Expired
- 1974-06-06 BR BR4644/74A patent/BR7404644A/pt unknown
- 1974-06-06 FR FR7419517A patent/FR2232540B1/fr not_active Expired
- 1974-06-07 TR TR18142A patent/TR18142A/xx unknown
- 1974-06-07 BE BE145215A patent/BE816080A/xx not_active IP Right Cessation
- 1974-06-07 GB GB2533374A patent/GB1455318A/en not_active Expired
- 1974-06-07 AR AR254102A patent/AR199261A1/es active
- 1974-06-07 CS CS4070A patent/CS175381B2/cs unknown
- 1974-06-07 SU SU742036092A patent/SU679132A3/ru active
- 1974-06-07 RO RO7479078A patent/RO70377A/ro unknown
- 1974-06-07 BG BG026899A patent/BG34183A3/xx unknown
- 1974-06-07 JP JP49064856A patent/JPS5929581B2/ja not_active Expired
- 1974-06-08 EG EG212/74A patent/EG11353A/xx active
- 1974-07-06 IN IN1514/CAL/1974A patent/IN142425B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL184616B (nl) | 1989-04-17 |
| TR18142A (tr) | 1976-10-11 |
| JPS5929581B2 (ja) | 1984-07-21 |
| ES427054A1 (es) | 1976-07-16 |
| BR7404644A (pt) | 1976-02-17 |
| RO70377A (ro) | 1980-08-15 |
| JPS5035110A (it) | 1975-04-03 |
| EG11353A (en) | 1977-08-15 |
| FR2232540A1 (it) | 1975-01-03 |
| DE2424897A1 (de) | 1975-01-02 |
| CA1049559A (en) | 1979-02-27 |
| AR199261A1 (es) | 1974-08-14 |
| GB1455318A (en) | 1976-11-10 |
| IN142425B (it) | 1977-07-09 |
| NL184616C (nl) | 1989-09-18 |
| ZA743376B (en) | 1975-05-28 |
| CS175381B2 (it) | 1977-05-31 |
| FR2232540B1 (it) | 1977-10-07 |
| US4234510A (en) | 1980-11-18 |
| IL44917A (en) | 1977-10-31 |
| DD113351A5 (it) | 1975-06-05 |
| BG34183A3 (en) | 1983-07-15 |
| NL7407438A (it) | 1974-12-10 |
| BE816080A (fr) | 1974-12-09 |
| SU679132A3 (ru) | 1979-08-05 |
| IL44917A0 (en) | 1974-07-31 |
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