BE863597A - Procede perfectionne pour isoler les composes aromatiques dinitres de melanges de nitration - Google Patents

Procede perfectionne pour isoler les composes aromatiques dinitres de melanges de nitration

Info

Publication number
BE863597A
BE863597A BE2056660A BE2056660A BE863597A BE 863597 A BE863597 A BE 863597A BE 2056660 A BE2056660 A BE 2056660A BE 2056660 A BE2056660 A BE 2056660A BE 863597 A BE863597 A BE 863597A
Authority
BE
Belgium
Prior art keywords
diniter
isolating
aromatic compounds
perfected process
nitration mixtures
Prior art date
Application number
BE2056660A
Other languages
English (en)
Original Assignee
Bayer Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of BE863597A publication Critical patent/BE863597A/fr

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
    • C07C201/16—Separation; Purification; Stabilisation; Use of additives
BE2056660A 1977-02-04 1978-02-03 Procede perfectionne pour isoler les composes aromatiques dinitres de melanges de nitration BE863597A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772704680 DE2704680A1 (de) 1977-02-04 1977-02-04 Verfahren zur gewinnung von aromatischen dinitroverbindungen

Publications (1)

Publication Number Publication Date
BE863597A true BE863597A (fr) 1978-08-03

Family

ID=6000369

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2056660A BE863597A (fr) 1977-02-04 1978-02-03 Procede perfectionne pour isoler les composes aromatiques dinitres de melanges de nitration

Country Status (6)

Country Link
US (1) US4261908A (fr)
JP (1) JPS5398931A (fr)
BE (1) BE863597A (fr)
DE (1) DE2704680A1 (fr)
FR (1) FR2379507A1 (fr)
GB (1) GB1594563A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE431538B (sv) * 1979-09-27 1984-02-13 Bofors Ab Sett att framstella symmetrisk trinitrobensen
US4361712A (en) * 1980-05-19 1982-11-30 Air Products And Chemicals, Inc. Cyanide reduction in nitroaromatic process
US4642396A (en) * 1984-08-07 1987-02-10 Air Products And Chemicals, Inc. Process for separating nitroaromatic compounds from spent nitric acid
US5488187A (en) * 1988-06-22 1996-01-30 Olin Corporation Process for the production of dinitrobenzene and mononitrobenzene
US5354924A (en) * 1988-06-22 1994-10-11 Olin Corporation Process for the production of dinitrotoluene
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
US5006325A (en) * 1989-08-28 1991-04-09 Air Products And Chemical, Inc. Process for the recovery of nitric acid
US5763696A (en) * 1997-03-26 1998-06-09 Arco Chemical Technology, L.P. Removal of dinitrotoluene from process water
WO1997038770A1 (fr) * 1996-04-12 1997-10-23 Arco Chemical Technology, L.P. Suppression du dinitrotoluene contenu dans l'eau de process
FR2767318B1 (fr) * 1997-08-13 1999-10-29 Rhodia Chimie Sa Procede de recuperation d'acide nitrique compris dans un melange de composes aromatiques dinitres
CN111646905B (zh) * 2020-07-17 2023-05-05 四川北方红光特种化工有限公司 一种从混合二硝基苯中分离纯化间二硝基苯的工艺

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1309577A (en) * 1919-07-08 Process of obtaining nitro compounds
US2739174A (en) * 1951-09-08 1956-03-20 Eastman Kodak Co Nitrating aromatic hydrocarbons with only nitric acid
US3065277A (en) * 1960-01-11 1962-11-20 Fundamental Res Company Preparation of heteronuclear nitronaphthalenes and derivatives
CH554302A (de) * 1971-04-30 1974-09-30 Sandoz Ag Verfahren und apparatur zur durchfuehrung von nitrierungen.
NL7207615A (fr) * 1971-06-10 1972-12-12
US3780116A (en) * 1972-06-15 1973-12-18 Zaverchand & Co Method for nitration of aromatic hydrocarbon compounds
US4031116A (en) * 1973-08-31 1977-06-21 Bayer Aktiengesellschaft Process for preparing pure 1-nitroanthraquinone
DE2400164C3 (de) * 1974-01-03 1978-03-16 Bayer Ag, 5090 Leverkusen Verfahren zur Abtrennung von 1,5-Dinitroanthrachinon und 1,8-Dinitroanthrachinon aus Dinitro-anthrachinongemischen
US3928475A (en) * 1974-08-09 1975-12-23 Du Pont Azeotropic nitration of benzene
DE2521891B2 (de) * 1975-05-16 1980-02-28 Bayer Ag, 5090 Leverkusen Verfahren zum Abstoppen von Nitrierungen durch Destillation

Also Published As

Publication number Publication date
FR2379507A1 (fr) 1978-09-01
US4261908A (en) 1981-04-14
JPS5398931A (en) 1978-08-29
GB1594563A (en) 1981-07-30
DE2704680A1 (de) 1978-08-10

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