DD147501A5 - Verfahren zur energiesparenden rueckgewinnung von acrylonitril - Google Patents
Verfahren zur energiesparenden rueckgewinnung von acrylonitril Download PDFInfo
- Publication number
- DD147501A5 DD147501A5 DD79217243A DD21724379A DD147501A5 DD 147501 A5 DD147501 A5 DD 147501A5 DD 79217243 A DD79217243 A DD 79217243A DD 21724379 A DD21724379 A DD 21724379A DD 147501 A5 DD147501 A5 DD 147501A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- stream
- acrylonitrile
- column
- water
- distillation
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/03—Acrylonitrile
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 |
---|---|---|---|
US05/965,758 US4238295A (en) | 1978-12-04 | 1978-12-04 | Energy efficient recovery of acrylonitrile |
Publications (1)
Publication Number | Publication Date |
---|---|
DD147501A5 true DD147501A5 (de) | 1981-04-08 |
Family
ID=25510446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD79217243A DD147501A5 (de) | 1978-12-04 | 1979-11-29 | Verfahren zur energiesparenden rueckgewinnung von acrylonitril |
Country Status (23)
Country | Link |
---|---|
US (1) | US4238295A (pt) |
EP (1) | EP0012039B1 (pt) |
JP (1) | JPS5581848A (pt) |
AR (1) | AR221914A1 (pt) |
AT (1) | AT372078B (pt) |
BR (1) | BR7907872A (pt) |
CA (1) | CA1180300A (pt) |
CS (1) | CS223829B2 (pt) |
DD (1) | DD147501A5 (pt) |
DE (1) | DE2963128D1 (pt) |
EG (1) | EG14085A (pt) |
ES (1) | ES486537A1 (pt) |
HU (1) | HU184182B (pt) |
IL (1) | IL58693A (pt) |
IN (1) | IN153393B (pt) |
MX (2) | MX171338B (pt) |
MY (1) | MY8400256A (pt) |
PH (1) | PH15609A (pt) |
PL (1) | PL125784B1 (pt) |
PT (1) | PT70492A (pt) |
RO (1) | RO79321A (pt) |
TR (1) | TR20503A (pt) |
ZA (1) | ZA796161B (pt) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5810550A (ja) * | 1981-07-09 | 1983-01-21 | Asahi Chem Ind Co Ltd | 不飽和ニトリルの製造法 |
KR850001603B1 (ko) * | 1980-12-03 | 1985-10-24 | 아사히 가세이 고오교오 가부시기가이샤 | 불포화 니트릴의 제조법 |
DE3172080D1 (en) * | 1980-12-03 | 1985-10-03 | Asahi Chemical Ind | Method for recovering and utilizing waste heat |
JPS58124751A (ja) * | 1982-01-20 | 1983-07-25 | ザ・スタンダ−ド・オイル・カンパニ− | 連続式アセトニトリル回収法 |
JPS58225048A (ja) * | 1982-06-22 | 1983-12-27 | Asahi Chem Ind Co Ltd | メタクリロニトリルの製造法 |
US4404064A (en) * | 1982-12-30 | 1983-09-13 | Monsanto Company | Water extractive distillation of olefinically unsaturated nitriles |
US5629444A (en) * | 1996-06-06 | 1997-05-13 | The Standard Oil Company | Acrylonitrile recovery process |
US6084121A (en) * | 1999-09-09 | 2000-07-04 | E. I. Du Pont De Nemours And Company | Nitrile process |
US6355828B1 (en) | 2000-11-10 | 2002-03-12 | E. I. Du Pont De Nemours And Company | Nitrile process |
JP4959158B2 (ja) * | 2005-08-05 | 2012-06-20 | 旭化成ケミカルズ株式会社 | アクリロニトリルの分離回収方法 |
US8585870B2 (en) * | 2008-03-05 | 2013-11-19 | E I Du Pont De Nemours And Company | Process to C-manufacture acrylonitrile and hydrogen cyanide |
CN104027994B (zh) * | 2014-05-30 | 2017-10-20 | 英尼奥斯欧洲股份公司 | 粗乙腈与丙烯腈的分离 |
CN104107559A (zh) | 2014-06-11 | 2014-10-22 | 英尼奥斯欧洲股份公司 | 丙烯腈回收的乙腈移除步骤中的污染减轻 |
EP3322672B1 (en) | 2015-07-14 | 2020-05-27 | The Chemours Company FC, LLC | Method for removing nitriles from hydrogen cyanide |
KR102358406B1 (ko) | 2017-07-31 | 2022-02-03 | 주식회사 엘지화학 | 라피네이트-2 의 정제 방법 |
KR102383958B1 (ko) * | 2017-12-28 | 2022-04-08 | 주식회사 엘지화학 | 미반응 단량체를 포함하는 혼합용액으로부터 미반응 단량체의 분리방법 |
CN109052774A (zh) * | 2018-06-21 | 2018-12-21 | 天津中昊天久工程技术有限公司 | 溶剂可循环高效乙腈废水回收系统 |
CN112439220A (zh) * | 2019-09-05 | 2021-03-05 | 中石油吉林化工工程有限公司 | 回收塔塔釜液处理系统 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3328266A (en) * | 1967-06-27 | Modiano etal separation of acrylonitrile by extractive distillation with water | ||
US3073753A (en) * | 1957-10-10 | 1963-01-15 | Distillers Co Yeast Ltd | Recovery of acrylonitrile |
NL6605077A (pt) * | 1965-05-04 | 1966-11-07 | ||
US3399120A (en) * | 1965-12-09 | 1968-08-27 | Monsanto Co | Purification of olefinically unsaturated nitriles by water extractive distillation |
CA945932A (en) * | 1970-04-16 | 1974-04-23 | Hsin C. Wu | Recovery and purification of olefinic nitriles |
US3691226A (en) * | 1970-11-12 | 1972-09-12 | Du Pont | Anti-foulant in acrylonitrile manufacture |
US3936360A (en) * | 1971-04-07 | 1976-02-03 | The Standard Oil Company | Process for distillation and recovery of olefinic nitriles |
US3895050A (en) * | 1971-08-02 | 1975-07-15 | Badger Co | Disposal of waste materials from unsaturated nitrile |
-
1978
- 1978-12-04 US US05/965,758 patent/US4238295A/en not_active Expired - Lifetime
-
1979
- 1979-11-12 IN IN806/DEL/79A patent/IN153393B/en unknown
- 1979-11-12 IL IL58693A patent/IL58693A/xx unknown
- 1979-11-15 ZA ZA00796161A patent/ZA796161B/xx unknown
- 1979-11-23 PT PT70492A patent/PT70492A/pt unknown
- 1979-11-29 DD DD79217243A patent/DD147501A5/de unknown
- 1979-11-30 JP JP15547079A patent/JPS5581848A/ja active Granted
- 1979-12-01 PL PL1979220053A patent/PL125784B1/pl unknown
- 1979-12-03 BR BR7907872A patent/BR7907872A/pt not_active IP Right Cessation
- 1979-12-03 MX MX202606A patent/MX171338B/es unknown
- 1979-12-03 EG EG717/79A patent/EG14085A/xx active
- 1979-12-03 ES ES486537A patent/ES486537A1/es not_active Expired
- 1979-12-03 RO RO7999426A patent/RO79321A/ro unknown
- 1979-12-03 CA CA000341076A patent/CA1180300A/en not_active Expired
- 1979-12-03 AR AR279224A patent/AR221914A1/es active
- 1979-12-03 MX MX180281A patent/MX152395A/es unknown
- 1979-12-03 TR TR20503A patent/TR20503A/xx unknown
- 1979-12-04 DE DE7979302777T patent/DE2963128D1/de not_active Expired
- 1979-12-04 CS CS798395A patent/CS223829B2/cs unknown
- 1979-12-04 HU HU79SA3213A patent/HU184182B/hu unknown
- 1979-12-04 AT AT0768179A patent/AT372078B/de active
- 1979-12-04 PH PH23368A patent/PH15609A/en unknown
- 1979-12-04 EP EP79302777A patent/EP0012039B1/en not_active Expired
-
1984
- 1984-12-30 MY MY256/84A patent/MY8400256A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
JPS6320219B2 (pt) | 1988-04-26 |
IL58693A (en) | 1983-10-31 |
ES486537A1 (es) | 1980-09-16 |
PT70492A (en) | 1979-12-01 |
MX152395A (es) | 1985-07-10 |
IL58693A0 (en) | 1980-02-29 |
EP0012039B1 (en) | 1982-06-16 |
RO79321A (ro) | 1983-02-01 |
CA1180300A (en) | 1985-01-02 |
AR221914A1 (es) | 1981-03-31 |
JPS5581848A (en) | 1980-06-20 |
IN153393B (pt) | 1984-07-14 |
MY8400256A (en) | 1984-12-31 |
DE2963128D1 (en) | 1982-08-05 |
PH15609A (en) | 1983-02-28 |
AT372078B (de) | 1983-08-25 |
US4238295A (en) | 1980-12-09 |
MX171338B (es) | 1993-10-19 |
ZA796161B (en) | 1980-11-26 |
PL125784B1 (en) | 1983-06-30 |
HU184182B (en) | 1984-07-30 |
EG14085A (en) | 1983-03-31 |
EP0012039A2 (en) | 1980-06-11 |
RO79321B (ro) | 1983-01-30 |
TR20503A (tr) | 1981-08-24 |
BR7907872A (pt) | 1980-09-23 |
CS223829B2 (en) | 1983-11-25 |
PL220053A1 (pt) | 1980-08-25 |
ATA768179A (de) | 1983-01-15 |
EP0012039A3 (en) | 1980-06-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DD147501A5 (de) | Verfahren zur energiesparenden rueckgewinnung von acrylonitril | |
DE3409717C2 (de) | Verfahren zur Herstellung von Nitrobenzol | |
DE10242349B4 (de) | Verfahren zur Abtrennung von Aromaten durch extraktive Destillation und dabei verwendetes Verbundlösungsmittel | |
DE69417815T2 (de) | Verfahren und Vorrichtung zur Wiedergewinnung der Essigsäure aus wässrigen Strömen | |
DD140037A5 (de) | Verfahren zur isolierung und reinigung von acrylnitril oder methacrylnitril aus diese enthaltenden reaktionsgemischen | |
DE1593122A1 (de) | Verfahren und Vorrichtung zum Reinigen von rohen,olefinisch ungesaettigten Nitrilen | |
DD209625A5 (de) | Verfahren zur herstellung von melamin | |
DE4101848A1 (de) | Verfahren zur abtrennung von aromaten aus kohlenwasserstoffgemischen beliebigen aromatengehaltes | |
DE1443164A1 (de) | Verbessertes Verfahren zur Herstellung von Harnstoff | |
DE3002460A1 (de) | Verfahren und vorrichtung zur nachbehandlung, insbesondere fuer harnstoff- und ammonnitratanlagen | |
DE2645251C2 (de) | Verfahren zur Herstellung und Gewinnung von Diisopropanolamin aus einem 1-(2-Hydroxypropyl)-4-methyl-oxazolidon-(2) enthaltenden Gemisch | |
DE3874846T2 (de) | Verfahren zur herstellung von harnstoff. | |
DE2300037A1 (de) | Verfahren zur kontinuierlichen herstellung von cyanursaeure | |
EP0486797B1 (de) | Verfahren zur Aufarbeitung des Sumpfproduktes von Extraktivdestillationsprozessen zur Gewinnung reiner Aromaten | |
EP0021381A1 (de) | Verfahren zur Rückgewinnung von Pyrolyseenergie bei der Herstellung von Vinylchlorid durch thermische Spaltung von 1,2-Dichlorethan | |
DE3002984C2 (de) | Verfahren zur Rückgewinnung von Lösungsmitteln aus lösungsmittelhaltigen Kohlenwasserstoffphasen in Kohlenwasserstoff-Raffinationssystemen | |
EP0976704A1 (de) | Verfahren zur Energieschonung bei der Oxychlorierung von Ethylen | |
DE2741213A1 (de) | Verfahren zur gewinnung von produkten aus abfallstroemen bei der herstellung von acrylnitril | |
DE102016112944A1 (de) | Verfahren für die Herstellung von Melamin mit Trennung und Rückgewinnung von CO2 und NH3 von hoher Reinheit | |
DE1948426B2 (de) | Verfahren zur Gewinnung von Schwefelwasserstoff und Ammoniak aus einer wässrigen Lösung | |
DE19943219A1 (de) | Verfahren zur Herstellung von Dimethylether | |
DD262806A5 (de) | Verfahren zur konzentrierung einer harnstoffloesung und vorrichtung zur durchfuehrung des verfahrens | |
DE3517531A1 (de) | Verfahren zur gewinnung von ammoniak aus schwefelwasserstoff- und/oder kohlendioxidhaltigem ammoniakwasser | |
EP1080767A2 (de) | Verfahren zur Aufarbeitung einer salzhaltigen Säurelösung und Anlage zur Durchführung des Verfahrens | |
AT335994B (de) | Verfahren zur gewinnung und reinigung von acrylnitril oder methacrylnitril |