CS174806B2 - - Google Patents

Info

Publication number
CS174806B2
CS174806B2 CS7821A CS782170A CS174806B2 CS 174806 B2 CS174806 B2 CS 174806B2 CS 7821 A CS7821 A CS 7821A CS 782170 A CS782170 A CS 782170A CS 174806 B2 CS174806 B2 CS 174806B2
Authority
CS
Czechoslovakia
Application number
CS7821A
Other languages
Czech (cs)
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 filed Critical
Publication of CS174806B2 publication Critical patent/CS174806B2/cs

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
    • 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)
CS7821A 1969-11-21 1970-11-19 CS174806B2 (enrdf_load_stackoverflow)

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
CS174806B2 true CS174806B2 (enrdf_load_stackoverflow) 1977-04-29

Family

ID=5751679

Family Applications (1)

Application Number Title Priority Date Filing Date
CS7821A CS174806B2 (enrdf_load_stackoverflow) 1969-11-21 1970-11-19

Country Status (11)

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

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

Also Published As

Publication number Publication date
AT305977B (de) 1973-03-26
IL35703A0 (en) 1971-01-28
GB1322020A (en) 1973-07-04
NL7016765A (enrdf_load_stackoverflow) 1971-05-25
DE1958461A1 (de) 1971-07-29
SE387328B (sv) 1976-09-06
IL35703A (en) 1975-02-10
DE1958461B2 (de) 1972-12-14
SU383278A3 (enrdf_load_stackoverflow) 1973-05-25
DE1958461C3 (de) 1973-07-12
BE759151A (fr) 1971-05-19
CA927843A (en) 1973-06-05
CH545118A (de) 1973-12-15
FR2069748A5 (enrdf_load_stackoverflow) 1971-09-03

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