NL7016765A - - Google Patents
Info
- Publication number
- NL7016765A NL7016765A NL7016765A NL7016765A NL7016765A NL 7016765 A NL7016765 A NL 7016765A NL 7016765 A NL7016765 A NL 7016765A NL 7016765 A NL7016765 A NL 7016765A NL 7016765 A NL7016765 A NL 7016765A
- Authority
- NL
- Netherlands
- Prior art keywords
- melt
- crystal mass
- nov
- separation
- isomer
- Prior art date
Links
- 239000013078 crystal Substances 0.000 abstract 3
- BFCFYVKQTRLZHA-UHFFFAOYSA-N 1-chloro-2-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1Cl BFCFYVKQTRLZHA-UHFFFAOYSA-N 0.000 abstract 2
- 239000000155 melt Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 238000000926 separation method Methods 0.000 abstract 2
- 238000005119 centrifugation Methods 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- -1 chloro- Chemical compound 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 230000005496 eutectics Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 abstract 1
- 150000003613 toluenes Chemical class 0.000 abstract 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
- B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/07—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by halogen atoms
- C07C205/11—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by halogen atoms having nitro groups bound to carbon atoms of six-membered aromatic rings
- C07C205/12—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by halogen atoms having nitro groups bound to carbon atoms of six-membered aromatic rings the six-membered aromatic ring or a condensed ring system containing that ring being substituted by halogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691958461 DE1958461C3 (de) | 1969-11-21 | 1969-11-21 | Verfahren zur kontinuierlichen Trennung von o-/p-Nitrochlorbenzol aus einem Isomerengemisch von o-/p-/m-Nitrochlorbenzol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7016765A true NL7016765A (https=) | 1971-05-25 |
Family
ID=5751679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7016765A NL7016765A (https=) | 1969-11-21 | 1970-11-16 |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT305977B (https=) |
| BE (1) | BE759151A (https=) |
| CA (1) | CA927843A (https=) |
| CH (1) | CH545118A (https=) |
| CS (1) | CS174806B2 (https=) |
| DE (1) | DE1958461C3 (https=) |
| FR (1) | FR2069748A5 (https=) |
| GB (1) | GB1322020A (https=) |
| IL (1) | IL35703A (https=) |
| NL (1) | NL7016765A (https=) |
| SE (1) | SE387328B (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2672816A1 (fr) * | 1991-02-18 | 1992-08-21 | Inst Tech Vigne Vin | Installation pour la separation en continu par cristallisation et par filtration d'un sel peu soluble dissout dans une solution liquide. |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4330731A1 (de) * | 1993-09-10 | 1995-03-16 | Bayer Ag | Verfahren zur Isolierung von m-Dichlorbenzol aus Dichlorbenzol-Isomerengemischen |
| IT1302120B1 (it) * | 1998-07-29 | 2000-07-31 | Univ Roma | Procedimento per la purificazione di prodotti chimici solidi mediantedry-sweating |
| CN101906043B (zh) * | 2010-08-19 | 2013-06-12 | 江苏隆昌化工有限公司 | 一种溶剂洗涤法提纯高纯度2,5-二氯硝基苯的生产工艺 |
| CN115819245B (zh) * | 2022-11-16 | 2025-06-17 | 湖北东方化工有限公司 | 一种用于单硝基甲苯精馏与熔融结晶的耦合工艺方法 |
-
0
- BE BE759151D patent/BE759151A/xx not_active IP Right Cessation
-
1969
- 1969-11-21 DE DE19691958461 patent/DE1958461C3/de not_active Expired
-
1970
- 1970-11-16 NL NL7016765A patent/NL7016765A/xx not_active Application Discontinuation
- 1970-11-18 CH CH1705970A patent/CH545118A/de not_active IP Right Cessation
- 1970-11-19 CS CS7821A patent/CS174806B2/cs unknown
- 1970-11-19 GB GB5506370A patent/GB1322020A/en not_active Expired
- 1970-11-19 AT AT1042870A patent/AT305977B/de active
- 1970-11-20 SE SE7015715A patent/SE387328B/xx unknown
- 1970-11-20 FR FR7041703A patent/FR2069748A5/fr not_active Expired
- 1970-11-20 CA CA098680A patent/CA927843A/en not_active Expired
- 1970-11-22 IL IL35703A patent/IL35703A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2672816A1 (fr) * | 1991-02-18 | 1992-08-21 | Inst Tech Vigne Vin | Installation pour la separation en continu par cristallisation et par filtration d'un sel peu soluble dissout dans une solution liquide. |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1958461C3 (de) | 1973-07-12 |
| SE387328B (sv) | 1976-09-06 |
| FR2069748A5 (https=) | 1971-09-03 |
| IL35703A (en) | 1975-02-10 |
| GB1322020A (en) | 1973-07-04 |
| SU383278A3 (https=) | 1973-05-25 |
| CH545118A (de) | 1973-12-15 |
| DE1958461A1 (de) | 1971-07-29 |
| AT305977B (de) | 1973-03-26 |
| CS174806B2 (https=) | 1977-04-29 |
| CA927843A (en) | 1973-06-05 |
| IL35703A0 (en) | 1971-01-28 |
| DE1958461B2 (de) | 1972-12-14 |
| BE759151A (fr) | 1971-05-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |