IT1078140B - Procedimento ed impianto per la produzione di composti mononitro aromatici - Google Patents
Procedimento ed impianto per la produzione di composti mononitro aromaticiInfo
- Publication number
- IT1078140B IT1078140B IT49430/77A IT4943077A IT1078140B IT 1078140 B IT1078140 B IT 1078140B IT 49430/77 A IT49430/77 A IT 49430/77A IT 4943077 A IT4943077 A IT 4943077A IT 1078140 B IT1078140 B IT 1078140B
- Authority
- IT
- Italy
- Prior art keywords
- mononiter
- aromatic
- plant
- compounds
- production
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
-
- 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
- Y02P20/582—Recycling of unreacted starting or intermediate materials
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 |
---|---|---|---|
DE2622313A DE2622313C3 (de) | 1976-05-19 | 1976-05-19 | Verfahren zur kontinuierlichen Herstellung von Mononitroaromaten |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1078140B true IT1078140B (it) | 1985-05-08 |
Family
ID=5978413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49430/77A IT1078140B (it) | 1976-05-19 | 1977-05-17 | Procedimento ed impianto per la produzione di composti mononitro aromatici |
Country Status (8)
Country | Link |
---|---|
US (1) | US4112005A (it) |
JP (1) | JPS52142024A (it) |
BE (1) | BE854769A (it) |
DE (1) | DE2622313C3 (it) |
FR (1) | FR2351947A1 (it) |
GB (1) | GB1519579A (it) |
IT (1) | IT1078140B (it) |
NL (1) | NL7705527A (it) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4495372A (en) * | 1982-11-05 | 1985-01-22 | Uniroyal, Inc. | Preparation of mono-nitro aromatic compounds |
US4453027A (en) * | 1982-12-10 | 1984-06-05 | Monsanto Company | Adiabatic process for the nitration of halobenzenes |
EP0164409B1 (en) * | 1983-12-08 | 1989-08-02 | General Electric Company | Method for making n-substituted nitrophthalimides |
US4902809A (en) * | 1983-12-08 | 1990-02-20 | General Electric Company | Method for making N-substituted nitrophthalimides |
US4921970A (en) * | 1984-01-03 | 1990-05-01 | General Electric Company | Nitration reactions with acid anhydride promoters |
US4621157A (en) * | 1984-05-07 | 1986-11-04 | Jerome A. Gross | Nitration processes |
USRE33168E (en) * | 1984-05-07 | 1990-02-20 | Jerome A. Gross | Nitration processes |
CA1256455A (en) * | 1984-07-20 | 1989-06-27 | Oliver W. Smith | Nitration process for 2,3-dichloro-1,4-xylene |
US4935557A (en) * | 1984-08-07 | 1990-06-19 | Air Products And Chemicals, Inc. | Conitration of mixed aromatic hydrocarbons |
US4642396A (en) * | 1984-08-07 | 1987-02-10 | Air Products And Chemicals, Inc. | Process for separating nitroaromatic compounds from spent nitric acid |
US5354924A (en) * | 1988-06-22 | 1994-10-11 | Olin Corporation | Process for the production of dinitrotoluene |
US5488187A (en) * | 1988-06-22 | 1996-01-30 | Olin Corporation | Process for the production of dinitrobenzene and mononitrobenzene |
US5001272A (en) * | 1988-06-22 | 1991-03-19 | Olin Corporation | Process for the production of dinitrotoluene |
FR2638741B1 (fr) * | 1988-11-07 | 1990-12-28 | Rhone Poulenc Chimie | Procede de preparation de nitrophenols |
US4918250A (en) * | 1989-04-21 | 1990-04-17 | Olin Corporation | Process for the production of dinitrotoluene using an inorganic salt as a phase separation agent |
US5922913A (en) * | 1998-11-06 | 1999-07-13 | Srm Chemical, Ltd., Co. | Process for nitrating aromatic amines |
EP1985587A1 (en) | 2007-04-27 | 2008-10-29 | Westinghouse Electric Company LLC | Two step dry UO2 production process |
EP2014641A3 (en) * | 2007-06-06 | 2009-03-18 | Huntsman International Llc | Process for preparing mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates |
EP2277831B1 (en) | 2009-07-20 | 2012-05-23 | Westinghouse Electric Company LLC | Two step dry UO2 production process utilizing a positive sealing valve means between steps |
WO2012140277A2 (en) | 2012-03-08 | 2012-10-18 | Lonza Ltd | Method for preparation of mononitrated aromatic compounds |
WO2012156540A2 (en) | 2012-03-08 | 2012-11-22 | Lonza Ltd | Method for preparation of mononitrated aromatic compounds |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2739174A (en) * | 1951-09-08 | 1956-03-20 | Eastman Kodak Co | Nitrating aromatic hydrocarbons with only nitric acid |
CH554302A (de) * | 1971-04-30 | 1974-09-30 | Sandoz Ag | Verfahren und apparatur zur durchfuehrung von nitrierungen. |
DE2505715C2 (de) * | 1975-02-12 | 1976-12-20 | Bayer Ag | Verfahren zur herstellung von isomerengemischen, die vorwiegend aus 1,5- und 1,8-dinitronaphthalin bestehen |
DE2521891B2 (de) * | 1975-05-16 | 1980-02-28 | Bayer Ag, 5090 Leverkusen | Verfahren zum Abstoppen von Nitrierungen durch Destillation |
-
1976
- 1976-05-19 DE DE2622313A patent/DE2622313C3/de not_active Expired
-
1977
- 1977-05-09 US US05/795,249 patent/US4112005A/en not_active Expired - Lifetime
- 1977-05-16 GB GB20482/77A patent/GB1519579A/en not_active Expired
- 1977-05-17 JP JP5606777A patent/JPS52142024A/ja active Pending
- 1977-05-17 IT IT49430/77A patent/IT1078140B/it active
- 1977-05-18 NL NL7705527A patent/NL7705527A/xx not_active Application Discontinuation
- 1977-05-18 FR FR7715399A patent/FR2351947A1/fr active Granted
- 1977-05-18 BE BE2055915A patent/BE854769A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE2622313B2 (de) | 1980-01-10 |
NL7705527A (nl) | 1977-11-22 |
DE2622313C3 (de) | 1980-09-25 |
FR2351947A1 (fr) | 1977-12-16 |
FR2351947B1 (it) | 1981-07-10 |
JPS52142024A (en) | 1977-11-26 |
US4112005A (en) | 1978-09-05 |
DE2622313A1 (de) | 1977-12-01 |
GB1519579A (en) | 1978-08-02 |
BE854769A (fr) | 1977-11-18 |
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