GB1385368A - Nitration process and apparatus therefor - Google Patents
Nitration process and apparatus thereforInfo
- Publication number
- GB1385368A GB1385368A GB1962072A GB1962072A GB1385368A GB 1385368 A GB1385368 A GB 1385368A GB 1962072 A GB1962072 A GB 1962072A GB 1962072 A GB1962072 A GB 1962072A GB 1385368 A GB1385368 A GB 1385368A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hno
- concentrated
- dilute
- concentration
- acid solution
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/45—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by at least one doubly—bound oxygen atom, not being part of a —CHO group
- C07C205/46—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by at least one doubly—bound oxygen atom, not being part of a —CHO group the carbon skeleton containing carbon atoms of quinone rings
- C07C205/47—Anthraquinones containing nitro groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B43/00—Formation or introduction of functional groups containing nitrogen
- C07B43/02—Formation or introduction of functional groups containing nitrogen of nitro or nitroso groups
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
- C07C2603/22—Ortho- or ortho- and peri-condensed systems containing three rings containing only six-membered rings
- C07C2603/24—Anthracenes; Hydrogenated anthracenes
-
- 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 |
|---|---|---|---|
| CH638771A CH554302A (de) | 1971-04-30 | 1971-04-30 | Verfahren und apparatur zur durchfuehrung von nitrierungen. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1385368A true GB1385368A (en) | 1975-02-26 |
Family
ID=4308783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1962072A Expired GB1385368A (en) | 1971-04-30 | 1972-04-27 | Nitration process and apparatus therefor |
Country Status (13)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3928395A (en) * | 1972-10-05 | 1975-12-23 | Ciba Geigy Ag | Process for the nitration of aromatic compounds |
| DE2256644C2 (de) * | 1972-11-18 | 1983-10-20 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von reinem 1-Nitro-anthrachinon |
| US3959317A (en) * | 1973-01-13 | 1976-05-25 | Bayer Aktiengesellschaft | Process for the preparation of 1-nitroanthraquinone |
| US4031116A (en) * | 1973-08-31 | 1977-06-21 | Bayer Aktiengesellschaft | Process for preparing pure 1-nitroanthraquinone |
| DE2343977B2 (de) * | 1973-08-31 | 1978-10-12 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von reinem 1-Aminoanthrachinon |
| DE2461648A1 (de) * | 1974-12-27 | 1976-07-08 | Bayer Ag | Verfahren zur herstellung von reinem 1-nitro-anthrachinon |
| DE2521891B2 (de) * | 1975-05-16 | 1980-02-28 | Bayer Ag, 5090 Leverkusen | Verfahren zum Abstoppen von Nitrierungen durch Destillation |
| DE2622313C3 (de) * | 1976-05-19 | 1980-09-25 | Bayer Ag, 5090 Leverkusen | Verfahren zur kontinuierlichen Herstellung von Mononitroaromaten |
| DE2704680A1 (de) * | 1977-02-04 | 1978-08-10 | Bayer Ag | Verfahren zur gewinnung von aromatischen dinitroverbindungen |
| DE2854427A1 (de) * | 1978-12-16 | 1980-06-26 | Bayer Ag | Verfahren und vorrichtung zur gewinnung von trockenem 1,5- und/oder 1,8- dinitroanthrachinon aus suspensionen, die festes 1,5- und/oder 1,8-dinitroanthrachinon und fluessiges nitrobenzol enthalten |
| US4241229A (en) * | 1979-08-08 | 1980-12-23 | American Cyanamid Company | Recovery of nitrated aromatic compounds from nitration wash liquors |
| 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 |
| CN109438246A (zh) * | 2018-09-27 | 2019-03-08 | 青岛海湾精细化工有限公司 | 一种蒽醌的处理方法及处理系统 |
Family Cites Families (2)
| 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 |
| US2874168A (en) * | 1957-04-02 | 1959-02-17 | Gen Aniline & Film Corp | Process for the preparation of 1-nitroanthraquinone |
-
1971
- 1971-04-30 CH CH638771A patent/CH554302A/xx not_active IP Right Cessation
-
1972
- 1972-04-25 US US00247425A patent/US3836601A/en not_active Expired - Lifetime
- 1972-04-26 JP JP4141272A patent/JPS561290B1/ja active Pending
- 1972-04-26 DE DE2220377A patent/DE2220377C2/de not_active Expired
- 1972-04-27 GB GB1962072A patent/GB1385368A/en not_active Expired
- 1972-04-28 BR BR2653/72A patent/BR7202653D0/pt unknown
- 1972-04-28 ES ES402219A patent/ES402219A1/es not_active Expired
- 1972-04-28 FR FR7215181A patent/FR2134636B1/fr not_active Expired
- 1972-04-28 CS CS722922A patent/CS188877B2/cs unknown
- 1972-04-28 NL NL7205777A patent/NL7205777A/xx unknown
- 1972-04-28 BE BE782871A patent/BE782871A/xx not_active IP Right Cessation
- 1972-04-28 DD DD162641A patent/DD100456A5/xx unknown
- 1972-04-29 IT IT23772/72A patent/IT955196B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| BE782871A (fr) | 1972-10-30 |
| US3836601A (en) | 1974-09-17 |
| DE2220377C2 (de) | 1982-05-06 |
| JPS561290B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-01-13 |
| CH554302A (de) | 1974-09-30 |
| BR7202653D0 (pt) | 1973-06-14 |
| FR2134636A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-12-08 |
| ES402219A1 (es) | 1976-01-01 |
| DD100456A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-09-20 |
| DE2220377A1 (de) | 1972-11-16 |
| NL7205777A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-11-01 |
| CS188877B2 (en) | 1979-03-30 |
| IT955196B (it) | 1973-09-29 |
| FR2134636B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-08-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |