[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

BE857924A - Procede pour la purification de produits organiques de point de fusion eleve - Google Patents

Procede pour la purification de produits organiques de point de fusion eleve

Info

Publication number
BE857924A
BE857924A BE2056174A BE2056174A BE857924A BE 857924 A BE857924 A BE 857924A BE 2056174 A BE2056174 A BE 2056174A BE 2056174 A BE2056174 A BE 2056174A BE 857924 A BE857924 A BE 857924A
Authority
BE
Belgium
Prior art keywords
purification
melting point
high melting
organic products
organic
Prior art date
Application number
BE2056174A
Other languages
English (en)
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
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of BE857924A publication Critical patent/BE857924A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C46/00—Preparation of quinones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C46/00—Preparation of quinones
    • C07C46/10—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C50/00—Quinones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C50/00—Quinones
    • C07C50/16—Quinones the quinoid structure being part of a condensed ring system containing three rings
    • C07C50/18—Anthraquinones, i.e. C14H8O2
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C50/00—Quinones
    • C07C50/26—Quinones containing groups having oxygen atoms singly bound to carbon atoms
    • C07C50/34—Quinones containing groups having oxygen atoms singly bound to carbon atoms the quinoid structure being part of a condensed ring system having three rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
BE2056174A 1976-08-21 1977-08-19 Procede pour la purification de produits organiques de point de fusion eleve BE857924A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2637689A DE2637689C3 (de) 1976-08-21 1976-08-21 Verfahren zur Reinigungsc^nlellender organischer Produkte

Publications (1)

Publication Number Publication Date
BE857924A true BE857924A (fr) 1978-02-20

Family

ID=5986003

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2056174A BE857924A (fr) 1976-08-21 1977-08-19 Procede pour la purification de produits organiques de point de fusion eleve

Country Status (7)

Country Link
US (1) US4141799A (fr)
JP (1) JPS594405B2 (fr)
BE (1) BE857924A (fr)
CH (1) CH629173A5 (fr)
DE (1) DE2637689C3 (fr)
FR (1) FR2362107A1 (fr)
GB (1) GB1589344A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5925771B2 (ja) * 1979-08-06 1984-06-21 住友化学工業株式会社 高融点化合物の精製法
JPS58150545A (ja) * 1982-03-03 1983-09-07 Sumitomo Chem Co Ltd １−アミノアントラキノンの精製方法
DE3322535A1 (de) * 1983-06-23 1985-01-10 Henkel KGaA, 4000 Düsseldorf Verbessertes verfahren zur schonenden destillation von fettsaeuren
JPH01109057A (ja) * 1987-10-23 1989-04-26 Fanuc Ltd デジタイジング方法
US4913771A (en) * 1988-11-25 1990-04-03 Mcintyre Glover C Method for dewatering sludge or slurry
DE4319534A1 (de) * 1993-06-12 1994-12-15 Hoechst Ag Verfahren zur Aufarbeitung von Lösungsmittelgemischen enthaltend schwersiedende Bestandteile sowie dafür geeignete Vorrichtung
US6582564B2 (en) * 2000-08-22 2003-06-24 Sumitomo Heavy Industries, Ltd. Distillation apparatus and distillation method
CA2814849A1 (fr) * 2010-10-13 2012-04-19 Cognis Ip Management Gmbh Dispositif et procede de distillation de substances sensibles a la temperature
CN104529737A (zh) * 2014-12-25 2015-04-22 北京化工大学常州先进材料研究院 一种超临界二氧化碳连续萃取精馏维生素k1的方法
CN105884592A (zh) * 2016-04-22 2016-08-24 马骋 高真空升华提纯1, 4-二羟基蒽醌的方法
CN107617227B (zh) * 2017-10-30 2023-12-15 广西玉蓝生物科技有限公司 茴脑精馏段的生产装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB446137A (en) * 1935-01-15 1936-04-24 Foster Wheeler Ltd Improvements in fractional distillation
DE1544168C2 (de) * 1965-07-20 1970-09-24 Werner & Pfleiderer, 7000 Stuttgart-Feuerbach Verfahren und Vorrichtung zum Entgasen von Flüssigkeiten und Schmelzen innerhalb eines unter Vakuum stehenden Behälters
US3841381A (en) * 1969-11-06 1974-10-15 Solvay Apparatus for producing and recovering rubbery or sticky polymers
GB1394215A (en) * 1971-05-03 1975-05-14 Ici Ltd Polymer-gas separation
DE2343978A1 (de) * 1973-08-31 1975-04-03 Bayer Ag Verfahren zur herstellung von reinem 1-nitro-anthrachinon
DE2343977B2 (de) * 1973-08-31 1978-10-12 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von reinem 1-Aminoanthrachinon
DE2441304C3 (de) * 1974-08-29 1979-04-26 Chemische Werke Huels Ag, 4370 Marl Verfahren und Vorrichtung zur Senkung des Gehaltes an gasförmigen Monomeren in Polyvinylchlorid-Wasser-Dispersionen
GB1492137A (en) * 1974-12-07 1977-11-16 Bayer Ag Process for concentrating halogenoanthraquinones
US3963558A (en) * 1974-12-09 1976-06-15 W Bar E, Incorporated Apparatus and method for producing solid polymeric material from a dilute polymer solution
DE2532450C3 (de) * 1975-07-19 1980-09-25 Bayer Ag, 5090 Leverkusen Verfahren zur Gewinnung von Anthrachinon

Also Published As

Publication number Publication date
CH629173A5 (de) 1982-04-15
GB1589344A (en) 1981-05-13
DE2637689C3 (de) 1980-09-25
JPS5325547A (en) 1978-03-09
DE2637689B2 (de) 1980-01-17
FR2362107B1 (fr) 1982-04-09
DE2637689A1 (de) 1978-02-23
US4141799A (en) 1979-02-27
FR2362107A1 (fr) 1978-03-17
JPS594405B2 (ja) 1984-01-30

Similar Documents

Publication Publication Date Title
FR2306228A1 (fr) Procede pour la production en continu de terephtalates de polybutylene
FR2593175B1 (fr) Procede de production de 3-phenyl-4-cyanopyrroles.
BE857924A (fr) Procede pour la purification de produits organiques de point de fusion eleve
LU80402A1 (fr) Procede de production de 2,6-diaminonebularines
BE839700A (fr) Procede pour la production d'aromatiques de tres haute purete
FR2342342A1 (fr) Procede pour la fusion continue d'acier ayant un degre de purete eleve
FR2314159A1 (fr) Procede pour la production de corps refractaires
FR2490508B1 (fr) Procede pour la production de catalyseurs
FR2301501A1 (fr) Procede pour separer les produits
BE882763Q (fr) Procede pour la production de lactulose
BE865429A (fr) Procede de production d'alcane-polyols
BE882508A (fr) Procede perfectionne pour la production de 3-0-demethyl-fortimicines
BE838664R (fr) Procede perfectionne pour la production de coke
BE846709A (fr) Procede perfectionne de production catalytique d'alcane-polyols
BE871961A (fr) Procede ameliore pour la production d'alkylene-glycols
FR2303853A1 (fr) Procede pour la production de micro-organismes
BE842631A (fr) Procede continu de production d'halogenures de cyclohexylmagnesium
BE881376A (fr) Procede ameliore pour la production de carbamates
FR2352879A1 (fr) Procede pour la production d'
PT71465B (fr) Procede pour la production de nouvelles 1-amino-alquil-indolines a effet pharmaceutique
BE861629A (fr) Procede de production d'esters 0,0-dialkyliques de l'acides-(n-methyl-carboxamidomethyl)-thiosphorique
FR2298183A1 (fr) Procede pour la meta
BE864823A (fr) Procede pour la production de polysaccharide
BE850179A (fr) Procede pour la production de polyamines asymetriques
BE875899A (fr) Procede pour la production de dihydroxy-diphenylesalcoyles