DE69400452D1 - Verfahren zur Gewinnung von als Reagens geeigneter Salzsäure aus der Herstellung von organischen Isocyanaten - Google Patents
Verfahren zur Gewinnung von als Reagens geeigneter Salzsäure aus der Herstellung von organischen IsocyanatenInfo
- Publication number
- DE69400452D1 DE69400452D1 DE69400452T DE69400452T DE69400452D1 DE 69400452 D1 DE69400452 D1 DE 69400452D1 DE 69400452 T DE69400452 T DE 69400452T DE 69400452 T DE69400452 T DE 69400452T DE 69400452 D1 DE69400452 D1 DE 69400452D1
- Authority
- DE
- Germany
- Prior art keywords
- hydrochloric acid
- reagent
- recovery
- production
- organic isocyanates
- 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.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/07—Purification ; Separation
- C01B7/0706—Purification ; Separation of hydrogen chloride
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/03—Preparation from chlorides
- C01B7/035—Preparation of hydrogen chloride from chlorides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/07—Purification ; Separation
- C01B7/0706—Purification ; Separation of hydrogen chloride
- C01B7/0718—Purification ; Separation of hydrogen chloride by adsorption
-
- 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
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/01—Waste acid containing iron
-
- 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
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/09—Reaction techniques
- Y10S423/14—Ion exchange; chelation or liquid/liquid ion extraction
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4079293A | 1993-03-31 | 1993-03-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69400452D1 true DE69400452D1 (de) | 1996-10-10 |
DE69400452T2 DE69400452T2 (de) | 1997-02-27 |
Family
ID=21912980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69400452T Expired - Fee Related DE69400452T2 (de) | 1993-03-31 | 1994-03-10 | Verfahren zur Gewinnung von als Reagens geeigneter Salzsäure aus der Herstellung von organischen Isocyanaten |
Country Status (7)
Country | Link |
---|---|
US (1) | US5756063A (de) |
EP (1) | EP0618170B1 (de) |
AT (1) | ATE142168T1 (de) |
CA (1) | CA2120289C (de) |
DE (1) | DE69400452T2 (de) |
DK (1) | DK0618170T3 (de) |
ES (1) | ES2091647T3 (de) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040039146A1 (en) * | 1998-03-16 | 2004-02-26 | Trent Shidaker | Moisture resistant polyurethane prepolymers |
DE19914292A1 (de) * | 1999-03-30 | 2000-10-05 | Bayer Ag | Verfahren zur Verringerung des Chlorgehaltes von organischen Isocyanaten |
US6719957B2 (en) * | 2002-04-17 | 2004-04-13 | Bayer Corporation | Process for purification of anhydrous hydrogen chloride gas |
DE10250131A1 (de) * | 2002-10-28 | 2004-05-06 | Basf Ag | Verfahren zur Herstellung von Chlor aus Salzsäure |
EP2284146A3 (de) | 2003-11-20 | 2011-03-02 | SOLVAY (Société Anonyme) | Verfahren zur Herstellung eines Chlorhydrins |
DE102004030164A1 (de) * | 2004-06-22 | 2006-01-19 | Basf Ag | Verfahren zur Herstellung von Isocyanaten |
FR2881732B1 (fr) | 2005-02-08 | 2007-11-02 | Solvay | Procede pour la purification de chlorure d'hydrogene |
KR20080036555A (ko) | 2005-05-20 | 2008-04-28 | 솔베이(소시에떼아노님) | 클로로히드린으로부터 출발하여 에폭시드를 제조하는 방법 |
US8173823B2 (en) | 2005-05-20 | 2012-05-08 | Solvay (Société Anonyme) | Method for making an epoxide |
CN101068761B (zh) | 2005-11-08 | 2011-11-23 | 索尔维公司 | 通过甘油的氯化制备二氯丙醇的方法 |
US7504533B2 (en) * | 2006-04-24 | 2009-03-17 | Bayer Materialscience Llc | Process for the production of isocyanates |
EP2043984A1 (de) | 2006-06-14 | 2009-04-08 | Solvay S.A. | Rohes produkt auf glyzerinbasis, verfahren zu dessen aufreinigung und dessen verwendung bei der herstellung von dichlorpropanol |
FR2913421B1 (fr) | 2007-03-07 | 2009-05-15 | Solvay | Procede de fabrication de dichloropropanol. |
FR2913684B1 (fr) | 2007-03-14 | 2012-09-14 | Solvay | Procede de fabrication de dichloropropanol |
TW200911740A (en) | 2007-06-01 | 2009-03-16 | Solvay | Process for manufacturing a chlorohydrin |
EP2000459A1 (de) * | 2007-06-04 | 2008-12-10 | Huntsman International Llc | Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe |
TW200911693A (en) | 2007-06-12 | 2009-03-16 | Solvay | Aqueous composition containing a salt, manufacturing process and use |
TW200911773A (en) | 2007-06-12 | 2009-03-16 | Solvay | Epichlorohydrin, manufacturing process and use |
EP2207617A1 (de) | 2007-10-02 | 2010-07-21 | SOLVAY (Société Anonyme) | Verwendung von siliciumhaltigen zusammensetzungen zur verbesserung der korrosionsbeständigkeit von behältern |
FR2925045B1 (fr) | 2007-12-17 | 2012-02-24 | Solvay | Produit a base de glycerol, procede pour son obtention et son utilisation dans la fabrication de dichloropropanol |
TWI478875B (zh) | 2008-01-31 | 2015-04-01 | Solvay | 使水性組成物中之有機物質降解之方法 |
US8507643B2 (en) | 2008-04-03 | 2013-08-13 | Solvay S.A. | Composition comprising glycerol, process for obtaining same and use thereof in the manufacture of dichloropropanol |
FR2935968B1 (fr) | 2008-09-12 | 2010-09-10 | Solvay | Procede pour la purification de chlorure d'hydrogene |
WO2012041816A1 (en) | 2010-09-30 | 2012-04-05 | Solvay Sa | Derivative of epichlorohydrin of natural origin |
IN2013MU02038A (de) | 2013-06-17 | 2015-06-05 | Reliance Ind Ltd | |
PT2949622T (pt) | 2014-05-27 | 2022-05-02 | Covestro Intellectual Property Gmbh & Co Kg | Processo para processar cloreto de hidrogénio a partir da produção de isocianatos |
JP6290112B2 (ja) * | 2015-01-28 | 2018-03-07 | 信越化学工業株式会社 | 高純度塩酸の製造方法及び製造装置 |
RU2710335C2 (ru) * | 2015-03-30 | 2019-12-25 | Акцо Нобель Кемикалз Интернэшнл Б.В. | СПОСОБ ПОЛУЧЕНИЕ HCl-СОДЕРЖАЩЕГО ГАЗОВОГО ПОТОКА |
KR102045523B1 (ko) * | 2016-11-09 | 2019-11-18 | 주식회사 엘지화학 | 폐염산 정제 방법 |
US11339121B2 (en) * | 2019-12-06 | 2022-05-24 | Skc Co., Ltd. | Method of preparing diisocyanate composition |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2695875A (en) * | 1951-10-05 | 1954-11-30 | Rohm & Haas | Purification of hydrochloric acid solutions |
FR1469105A (fr) * | 1965-12-27 | 1967-02-10 | Toulousaine De Prod Chim Toloc | Procédé de fabrication d'esters isocyaniques |
JPS51119396A (en) * | 1975-04-14 | 1976-10-19 | Maruni Sangyo Kk | A process for regenerating hydrochloric acid by removing iron componen t in hydrochloric acid |
US4096165A (en) * | 1976-11-01 | 1978-06-20 | Allied Chemical Corporation | Method of manufacturing aromatic isocyanates |
JPS541273A (en) * | 1977-06-04 | 1979-01-08 | Iwao Tabuse | Separation of ferric ion |
JPS5470220A (en) * | 1977-11-11 | 1979-06-05 | Mitsui Toatsu Chem Inc | Preparation of organic isocyanate |
JPS5929521B2 (ja) * | 1980-02-20 | 1984-07-21 | チッソ株式会社 | 精製塩酸の製造法 |
DD249190B5 (de) * | 1986-05-26 | 1996-05-02 | Bitterfeld Wolfen Chemie | Verfahren zur Reinigung von Entfallsalzsaeure |
JPH02233503A (ja) * | 1989-03-06 | 1990-09-17 | Daiso Co Ltd | 塩酸の精製方法 |
US5202106A (en) * | 1989-12-27 | 1993-04-13 | Solvay S.A. | Purification of hydrochloric acid with ferric chloride pretreated activated carbon |
US5174865A (en) * | 1991-01-25 | 1992-12-29 | Dow Deutschland Inc. | Process for purifying crude hydrochloric acid |
-
1994
- 1994-03-10 DK DK94103665.9T patent/DK0618170T3/da active
- 1994-03-10 AT AT94103665T patent/ATE142168T1/de not_active IP Right Cessation
- 1994-03-10 ES ES94103665T patent/ES2091647T3/es not_active Expired - Lifetime
- 1994-03-10 DE DE69400452T patent/DE69400452T2/de not_active Expired - Fee Related
- 1994-03-10 EP EP94103665A patent/EP0618170B1/de not_active Expired - Lifetime
- 1994-03-30 CA CA002120289A patent/CA2120289C/en not_active Expired - Fee Related
-
1997
- 1997-05-27 US US08/863,549 patent/US5756063A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2091647T3 (es) | 1996-11-01 |
CA2120289C (en) | 1999-04-20 |
EP0618170A1 (de) | 1994-10-05 |
CA2120289A1 (en) | 1994-10-01 |
DK0618170T3 (da) | 1996-10-07 |
ATE142168T1 (de) | 1996-09-15 |
EP0618170B1 (de) | 1996-09-04 |
US5756063A (en) | 1998-05-26 |
DE69400452T2 (de) | 1997-02-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |