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
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 (cs)

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 (cs) 1977-04-29

Family

ID=5751679

Family Applications (1)

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

Country Status (11)

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

Families Citing this family (4)

* 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

Also Published As

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

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