SE387328B - Forfarande for kontinuerlig separering av isomerblandningar erhallna vid klorering eller nitrering av klorbensen och klortoluen - Google Patents

Forfarande for kontinuerlig separering av isomerblandningar erhallna vid klorering eller nitrering av klorbensen och klortoluen

Info

Publication number: SE387328B
Authority: SE; Sweden
Prior art keywords: chlorbensene; chlortoluene; nitritation; chlorination; procedure
Prior art date: 1969-11-21

Application number

SE7015715A

Other languages

English (en)

Swedish (sv)

Inventor

H Herbst

J Spies

W Bandel

H Schalles

Original Assignee

Hoechst 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.)

1969-11-21

Filing date

1970-11-20

Publication date

1976-09-06

1970-11-20 Application filed by Hoechst Ag filed Critical Hoechst Ag

1976-09-06 Publication of SE387328B publication Critical patent/SE387328B/xx

Links

239000000203 mixture Substances 0.000 title abstract 3
238000000926 separation method Methods 0.000 title abstract 3
238000000034 method Methods 0.000 title abstract 2
KCXMKQUNVWSEMD-UHFFFAOYSA-N benzyl chloride Chemical compound ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 title 1
238000005660 chlorination reaction Methods 0.000 title 1
230000000802 nitrating effect Effects 0.000 title 1
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
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
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)

SE7015715A 1969-11-21 1970-11-20 Forfarande for kontinuerlig separering av isomerblandningar erhallna vid klorering eller nitrering av klorbensen och klortoluen SE387328B (sv)

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
SE387328B true SE387328B (sv)	1976-09-06

Family

ID=5751679

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7015715A SE387328B (sv)	1969-11-21	1970-11-20	Forfarande for kontinuerlig separering av isomerblandningar erhallna vid klorering eller nitrering av klorbensen och klortoluen

Country Status (11)

Country	Link
AT (1)	AT305977B (fr)
BE (1)	BE759151A (fr)
CA (1)	CA927843A (fr)
CH (1)	CH545118A (fr)
CS (1)	CS174806B2 (fr)
DE (1)	DE1958461C3 (fr)
FR (1)	FR2069748A5 (fr)
GB (1)	GB1322020A (fr)
IL (1)	IL35703A (fr)
NL (1)	NL7016765A (fr)
SE (1)	SE387328B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2672816B1 (fr) *	1991-02-18	1994-09-23	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.
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/fr 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 GB GB5506370A patent/GB1322020A/en not_active Expired
- 1970-11-19 CS CS7821A patent/CS174806B2/cs unknown
- 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

Also Published As

Publication number	Publication date
NL7016765A (fr)	1971-05-25
SU383278A3 (fr)	1973-05-25
IL35703A (en)	1975-02-10
BE759151A (fr)	1971-05-19
CS174806B2 (fr)	1977-04-29
DE1958461C3 (de)	1973-07-12
AT305977B (de)	1973-03-26
DE1958461B2 (de)	1972-12-14
FR2069748A5 (fr)	1971-09-03
IL35703A0 (en)	1971-01-28
GB1322020A (en)	1973-07-04
CA927843A (en)	1973-06-05
DE1958461A1 (de)	1971-07-29
CH545118A (de)	1973-12-15

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