CA1108552A - Procede de recuperation par distillation extractive - Google Patents

Procede de recuperation par distillation extractive

Info

Publication number
CA1108552A
CA1108552A CA303,600A CA303600A CA1108552A CA 1108552 A CA1108552 A CA 1108552A CA 303600 A CA303600 A CA 303600A CA 1108552 A CA1108552 A CA 1108552A
Authority
CA
Canada
Prior art keywords
column
process according
water
products
steam
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA303,600A
Other languages
English (en)
Inventor
Dieter W. Bruck
Harro Schlesmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
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
Application granted granted Critical
Publication of CA1108552A publication Critical patent/CA1108552A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
    • C07D277/60—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings condensed with carbocyclic rings or ring systems
    • C07D277/62—Benzothiazoles
    • C07D277/68—Benzothiazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
    • C07D277/70—Sulfur atoms
    • C07D277/72—2-Mercaptobenzothiazole
    • 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
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/24—Fractionating columns in which vapour bubbles through liquid with sloping plates or elements mounted stepwise
    • 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
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/38—Steam distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • C07C29/84—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation by extractive distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/74—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • C07C37/76—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation by steam distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/24—Benzimidazoles; Hydrogenated benzimidazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
    • C07D235/28—Sulfur atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
CA303,600A 1977-05-20 1978-05-18 Procede de recuperation par distillation extractive Expired CA1108552A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP2722960.3 1977-05-20
DE19772722960 DE2722960A1 (de) 1977-05-20 1977-05-20 Verfahren zur rueckgewinnung von wasserdampffluechtigen und/oder wasserloeslichen organischen produkten aus schmelzbaren rueckstaenden oder suspensionen

Publications (1)

Publication Number Publication Date
CA1108552A true CA1108552A (fr) 1981-09-08

Family

ID=6009532

Family Applications (1)

Application Number Title Priority Date Filing Date
CA303,600A Expired CA1108552A (fr) 1977-05-20 1978-05-18 Procede de recuperation par distillation extractive

Country Status (10)

Country Link
JP (1) JPS53142979A (fr)
BE (1) BE867261A (fr)
BR (1) BR7803173A (fr)
CA (1) CA1108552A (fr)
DE (1) DE2722960A1 (fr)
ES (1) ES470032A1 (fr)
FR (1) FR2390981A1 (fr)
GB (1) GB1601637A (fr)
IT (1) IT7849435A0 (fr)
NL (1) NL7805450A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201628A (en) * 1977-10-07 1980-05-06 The Goodyear Tire & Rubber Company Separation apparatus
JPS60110715A (ja) * 1983-11-18 1985-06-17 Hitachi Chem Co Ltd 自硬化性フェノ−ル樹脂の製造方法
DE69410641D1 (de) * 1993-01-14 1998-07-09 Georgios Foukakis Verbrennungsgasfilter
GR1001403B (el) * 1993-01-14 1993-11-30 Georgios Foukakis Βιολογικό φίλτρο.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE297495C (fr) * 1915-06-22 1917-04-23
US2444527A (en) * 1943-11-30 1948-07-06 Richard D Pomeroy Method for recovering organic acids from sour sewage sludge
US2455703A (en) * 1946-09-17 1948-12-07 Goodrich Co B F Process of purifying nuclear-chlorinated bis-phenols by steam distillation
FR1082921A (fr) * 1952-06-19 1955-01-04 Dispositif cinésithérapeutique actionné par un moteur et en forme de coussin
GB1182260A (en) * 1966-09-27 1970-02-25 William H Moss Res Ltd Separation of Phenolic Compounds from Reaction Mixtures.
JPS4942591A (fr) * 1972-08-29 1974-04-22
DE2340566C2 (de) * 1973-08-10 1985-11-07 Peter, Siegfried, Prof.Dr., 8520 Erlangen Verfahren zur Trennung von Komponenten von Stoffgemischen mit niedrigem Dampfdruck mit Hilfe eines komprimierten Gases unter überkritischen Bedingungen und einer weiteren, den Trenneffekt beeinflussenden Substanz

Also Published As

Publication number Publication date
NL7805450A (nl) 1978-11-22
JPS53142979A (en) 1978-12-13
GB1601637A (en) 1981-11-04
BE867261A (fr) 1978-11-20
IT7849435A0 (it) 1978-05-18
ES470032A1 (es) 1979-01-01
DE2722960A1 (de) 1978-12-07
FR2390981A1 (fr) 1978-12-15
BR7803173A (pt) 1979-01-02

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