IT1052516B - PROCEDURE AND PLANT FOR THE CONCENTRATION OF HALOGEN Anthraquinones - Google Patents

PROCEDURE AND PLANT FOR THE CONCENTRATION OF HALOGEN Anthraquinones

Info

Publication number
IT1052516B
IT1052516B IT5254875A IT5254875A IT1052516B IT 1052516 B IT1052516 B IT 1052516B IT 5254875 A IT5254875 A IT 5254875A IT 5254875 A IT5254875 A IT 5254875A IT 1052516 B IT1052516 B IT 1052516B
Authority
IT
Italy
Prior art keywords
plant
procedure
concentration
anthraquinones
halogen
Prior art date
Application number
IT5254875A
Other languages
Italian (it)
Original Assignee
Bayer 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.)
Filing date
Publication date
Priority claimed from DE19742458022 external-priority patent/DE2458022C3/en
Priority claimed from DE19752531929 external-priority patent/DE2531929A1/en
Application filed by Bayer Ag filed Critical Bayer Ag
Application granted granted Critical
Publication of IT1052516B publication Critical patent/IT1052516B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
    • B01D3/148—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step in combination with at least one evaporator

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT5254875A 1974-12-07 1975-12-05 PROCEDURE AND PLANT FOR THE CONCENTRATION OF HALOGEN Anthraquinones IT1052516B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19742458022 DE2458022C3 (en) 1974-12-07 1974-12-07 Process for the production of pure chloranthraquinones
DE19752531929 DE2531929A1 (en) 1975-07-17 1975-07-17 Halo-anthraquinone purificn - by fractional distn under reduced pressure

Publications (1)

Publication Number Publication Date
IT1052516B true IT1052516B (en) 1981-07-20

Family

ID=25768077

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5254875A IT1052516B (en) 1974-12-07 1975-12-05 PROCEDURE AND PLANT FOR THE CONCENTRATION OF HALOGEN Anthraquinones

Country Status (14)

Country Link
JP (1) JPS591248B2 (en)
AT (1) AT340402B (en)
BR (1) BR7508056A (en)
CA (1) CA1068234A (en)
CH (1) CH619203A5 (en)
DD (1) DD124114A5 (en)
DK (1) DK551575A (en)
ES (1) ES443239A1 (en)
FR (1) FR2293412A1 (en)
GB (1) GB1492137A (en)
IT (1) IT1052516B (en)
LU (1) LU73943A1 (en)
NL (1) NL7514239A (en)
SU (1) SU598555A3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2637689C3 (en) * 1976-08-21 1980-09-25 Bayer Ag, 5090 Leverkusen Process for cleaning swelling organic products
GB1551585A (en) * 1976-12-02 1979-08-30 Bayer Ag Process for the preparation of chloroanthraquinones
US4206130A (en) * 1977-05-10 1980-06-03 Bayer Aktiengesellschaft Process for the preparation of 1,5-dichloroanthraquinone
CH653666A5 (en) * 1983-06-23 1986-01-15 Ciba Geigy Ag METHOD FOR PRODUCING BROMANTHRACHINON.

Also Published As

Publication number Publication date
LU73943A1 (en) 1976-11-11
FR2293412B1 (en) 1979-06-01
SU598555A3 (en) 1978-03-15
JPS5182250A (en) 1976-07-19
JPS591248B2 (en) 1984-01-11
ES443239A1 (en) 1977-09-16
FR2293412A1 (en) 1976-07-02
DD124114A5 (en) 1977-02-02
BR7508056A (en) 1976-08-24
CA1068234A (en) 1979-12-18
ATA927075A (en) 1977-04-15
CH619203A5 (en) 1980-09-15
NL7514239A (en) 1976-06-09
DK551575A (en) 1976-06-08
GB1492137A (en) 1977-11-16
AT340402B (en) 1977-12-12

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