CA2124287A1 - Process for the production of isocyanates and for the continuous working-up of the residue - Google Patents
Process for the production of isocyanates and for the continuous working-up of the residueInfo
- Publication number
- CA2124287A1 CA2124287A1 CA002124287A CA2124287A CA2124287A1 CA 2124287 A1 CA2124287 A1 CA 2124287A1 CA 002124287 A CA002124287 A CA 002124287A CA 2124287 A CA2124287 A CA 2124287A CA 2124287 A1 CA2124287 A1 CA 2124287A1
- Authority
- CA
- Canada
- Prior art keywords
- isocyanate
- residue
- drier
- containing residue
- fed
- 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.)
- Abandoned
Links
- 239000012948 isocyanate Substances 0.000 title claims abstract description 61
- 150000002513 isocyanates Chemical class 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title description 10
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 17
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 16
- 239000010426 asphalt Substances 0.000 claims abstract description 15
- 238000004821 distillation Methods 0.000 claims abstract description 14
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 11
- 238000009835 boiling Methods 0.000 claims abstract description 10
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims abstract description 6
- 150000001412 amines Chemical class 0.000 claims abstract description 6
- 238000010410 dusting Methods 0.000 claims abstract description 5
- 239000008187 granular material Substances 0.000 claims abstract description 5
- 239000011541 reaction mixture Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 8
- 239000000047 product Substances 0.000 description 13
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- SFNPDDSJBGRXLW-UHFFFAOYSA-N (3-methylsulfanylbutan-2-ylideneamino) n-methylcarbamate Chemical compound CNC(=O)ON=C(C)C(C)SC SFNPDDSJBGRXLW-UHFFFAOYSA-N 0.000 description 1
- SBJCUZQNHOLYMD-UHFFFAOYSA-N 1,5-Naphthalene diisocyanate Chemical compound C1=CC=C2C(N=C=O)=CC=CC2=C1N=C=O SBJCUZQNHOLYMD-UHFFFAOYSA-N 0.000 description 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical class CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 1
- 238000006887 Ullmann reaction Methods 0.000 description 1
- LNWBFIVSTXCJJG-UHFFFAOYSA-N [diisocyanato(phenyl)methyl]benzene Chemical compound C=1C=CC=CC=1C(N=C=O)(N=C=O)C1=CC=CC=C1 LNWBFIVSTXCJJG-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001944 continuous distillation Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/18—Separation; Purification; Stabilisation; Use of additives
- C07C263/20—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4317669A DE4317669A1 (de) | 1993-05-27 | 1993-05-27 | Verfahren zur Herstellung von Isocyanaten und kontinuierlichen Aufarbeitung des Rückstandes |
| DEP4317669.0 | 1993-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2124287A1 true CA2124287A1 (en) | 1994-11-28 |
Family
ID=6489062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002124287A Abandoned CA2124287A1 (en) | 1993-05-27 | 1994-05-25 | Process for the production of isocyanates and for the continuous working-up of the residue |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5446196A (oth) |
| EP (1) | EP0626368B1 (oth) |
| JP (1) | JP3485632B2 (oth) |
| KR (1) | KR100286883B1 (oth) |
| CN (1) | CN1052974C (oth) |
| BR (1) | BR9402087A (oth) |
| CA (1) | CA2124287A1 (oth) |
| DE (2) | DE4317669A1 (oth) |
| ES (1) | ES2114630T3 (oth) |
| TW (1) | TW275618B (oth) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4430951C1 (de) * | 1994-08-31 | 1996-05-23 | Bayer Ag | Verfahren und Vorrichtung zur Abtrennung eines festen Rückstandes aus seiner Lösung im gerührten Gutbett |
| FR2780966B1 (fr) * | 1998-07-10 | 2000-09-08 | Rhodia Chimie Sa | Procede de recuperation de composes dans les produits lourds issus de leur fabrication |
| DE102005046816A1 (de) * | 2005-09-29 | 2007-04-05 | Basf Ag | Verfahren zur Aufreinigung von isocyanathaltigen Rückständen |
| KR101287282B1 (ko) * | 2005-09-29 | 2013-07-23 | 바스프 에스이 | 아이소시아네이트를 함유하는 잔류물의 정제 방법 |
| DE102006060181A1 (de) * | 2006-12-18 | 2008-06-19 | Bayer Materialscience Ag | Verfahren zur Herstellung von Toluylendiisocyanat |
| DE102007020444A1 (de) * | 2007-04-27 | 2008-11-06 | Bayer Materialscience Ag | Verfahren zur Oxidation eines Chlorwasserstoffenthaltenden Gasgemisches |
| FR2918991B1 (fr) * | 2007-07-20 | 2012-05-11 | Rhodia Operations | Nouvelle utilisation des cokes issus de la fabrication du toluene diisocyanate |
| DE102011051467A1 (de) | 2011-06-30 | 2013-01-03 | Buss-Sms-Canzler Gmbh | Verfahren zur Gewinnung von Toluylendiisocyanat aus flüssigen Rückständen der Toluylendiisocyanatherstellung |
| CN104411681B (zh) * | 2012-07-11 | 2017-03-29 | 科思创德国股份有限公司 | 后处理由制备异氰酸酯产生的蒸馏残渣的方法 |
| US9688619B2 (en) | 2013-08-19 | 2017-06-27 | Covestro Deutschland Ag | Process for obtaining organic isocyanates from distillation residues from isocyanate preparation |
| HUE053661T2 (hu) | 2016-12-21 | 2021-07-28 | Covestro Intellectual Property Gmbh & Co Kg | Eljárás egy izocianát elõállítására |
| EP3571185A1 (de) * | 2017-01-18 | 2019-11-27 | Covestro Deutschland AG | Verfahren zur rückgewinnung von diisocyanaten aus destillationsrückständen |
| US10400112B2 (en) * | 2017-06-22 | 2019-09-03 | Covestro Llc | Powder coating compositions with a polymeric aromatic product of an aromatic isocyanate manufacturing process |
| US10465090B2 (en) | 2017-06-22 | 2019-11-05 | Covestro Llc | Powder coating compositions with a polymeric aromatic product of an aromatic isocyanate manufacturing process |
| EP3549931A1 (de) | 2018-04-06 | 2019-10-09 | Covestro Deutschland AG | Verfahren zur rückgewinnung von diisocyanaten aus destillationsrückständen |
| EP3597632A1 (de) * | 2018-07-18 | 2020-01-22 | Covestro Deutschland AG | Verfahren zur rückgewinnung von diisocyanaten aus destillationsrückständen |
| WO2020041427A1 (en) | 2018-08-21 | 2020-02-27 | Covestro Llc | Paving grade asphalt compositions and methods for their manufacture |
| US10851239B2 (en) | 2018-11-07 | 2020-12-01 | Covestro Llc | Ethylenically unsaturated macromers produced from a residue of isocyanate manufacturing, related preformed stabilizers, polymer polyols, foam-forming compositions and foams |
| US12601544B2 (en) | 2019-04-02 | 2026-04-14 | Covestro Deutschland Ag | Drying apparatus and use thereof and process for producing an isocyanate using the drying apparatus |
| EP3960728A1 (de) | 2020-08-24 | 2022-03-02 | Covestro Deutschland AG | Verfahren zur isocyanat-herstellung mit rezyklierender, thermisch oxidativer verwertung |
| CN114247734A (zh) * | 2020-09-24 | 2022-03-29 | 科思创德国股份有限公司 | 一种处理固体残渣的方法 |
| US11618814B2 (en) | 2020-12-04 | 2023-04-04 | Covestro Llc | Elastomeric compositions containing a solid residue of isocyanate manufacturing |
| CN114478320A (zh) * | 2022-01-25 | 2022-05-13 | 浙江丽水有邦新材料有限公司 | 一种苯基异氰酸酯的生产方法及生产装置 |
| KR20250005405A (ko) | 2022-04-26 | 2025-01-09 | 바스프 에스이 | 톨루엔 디이소시아네이트 및 고비점 화합물 함유 혼합물을 저장하는 방법, 및 톨루엔 디이소시아네이트 함유 미정제 반응 생성물을 후처리하는 방법 |
| CN121569012A (zh) | 2023-08-15 | 2026-02-24 | 科思创德国股份有限公司 | 提供适于焚烧的粒料的方法、适于焚烧的粒料及其作为燃料的用途 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2889257A (en) * | 1956-05-17 | 1959-06-02 | Du Pont | Distillation of tar residues |
| US3457291A (en) * | 1965-04-01 | 1969-07-22 | Union Carbide Corp | Production of isocyanates |
| CH506322A (de) * | 1969-03-17 | 1971-04-30 | List Heinz | Mehrspindelige Misch- und Knetmaschine |
| US3971793A (en) * | 1972-07-25 | 1976-07-27 | Delalande S.A. | Certain 6-(dialkylamino, pyrrolidino and piperidino)ethoxy-4,7-dimethoxy-5-(3-phenyl-1-hydroxypropyl)2,3-dihydrobenzofurans |
| FR2397396A1 (fr) * | 1977-07-12 | 1979-02-09 | Ugine Kuhlmann | Procede de recuperation du toluene diisocyanate a partir des residus de fabrication |
| DE2915830A1 (de) * | 1979-04-19 | 1980-10-23 | Basf Ag | Gewinnung von toluylendiisocyanat und/oder hoehersiedenden loesungsmitteln im wirbelbett aus destillationsrueckstaenden der toluylendiisocanat-herstellung |
| SE8604441L (sv) * | 1986-10-20 | 1988-04-21 | Nobel Chematur Ab | Sett att utvinna isocyanater |
| US5043470A (en) * | 1989-03-03 | 1991-08-27 | The Lubrizol Corporation | Process for distillation of crude isocyanate concentrates |
-
1993
- 1993-05-27 DE DE4317669A patent/DE4317669A1/de not_active Withdrawn
-
1994
- 1994-03-31 TW TW083102807A patent/TW275618B/zh active
- 1994-05-16 EP EP94107545A patent/EP0626368B1/de not_active Expired - Lifetime
- 1994-05-16 ES ES94107545T patent/ES2114630T3/es not_active Expired - Lifetime
- 1994-05-16 DE DE59405677T patent/DE59405677D1/de not_active Expired - Lifetime
- 1994-05-23 US US08/247,786 patent/US5446196A/en not_active Expired - Lifetime
- 1994-05-25 CA CA002124287A patent/CA2124287A1/en not_active Abandoned
- 1994-05-25 JP JP13394194A patent/JP3485632B2/ja not_active Expired - Fee Related
- 1994-05-26 BR BR9402087A patent/BR9402087A/pt not_active IP Right Cessation
- 1994-05-26 KR KR1019940011517A patent/KR100286883B1/ko not_active Expired - Lifetime
- 1994-05-27 CN CN94106154A patent/CN1052974C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06336469A (ja) | 1994-12-06 |
| ES2114630T3 (es) | 1998-06-01 |
| EP0626368B1 (de) | 1998-04-15 |
| DE4317669A1 (de) | 1994-12-01 |
| CN1052974C (zh) | 2000-05-31 |
| DE59405677D1 (de) | 1998-05-20 |
| JP3485632B2 (ja) | 2004-01-13 |
| BR9402087A (pt) | 1994-12-27 |
| TW275618B (oth) | 1996-05-11 |
| KR100286883B1 (ko) | 2001-04-16 |
| EP0626368A1 (de) | 1994-11-30 |
| US5446196A (en) | 1995-08-29 |
| CN1099026A (zh) | 1995-02-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |