FR2253542B1 - - Google Patents

Info

Publication number
FR2253542B1
FR2253542B1 FR7440104A FR7440104A FR2253542B1 FR 2253542 B1 FR2253542 B1 FR 2253542B1 FR 7440104 A FR7440104 A FR 7440104A FR 7440104 A FR7440104 A FR 7440104A FR 2253542 B1 FR2253542 B1 FR 2253542B1
Authority
FR
France
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
FR7440104A
Other languages
French (fr)
Other versions
FR2253542A1 (de
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.)
Haarmann and Reimer GmbH
Original Assignee
Haarmann and Reimer GmbH
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 Haarmann and Reimer GmbH filed Critical Haarmann and Reimer GmbH
Publication of FR2253542A1 publication Critical patent/FR2253542A1/fr
Application granted granted Critical
Publication of FR2253542B1 publication Critical patent/FR2253542B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C07C45/83—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation by extractive distillation
    • 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
    • B01D3/343—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas
    • 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
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/783—Separation; Purification; Stabilisation; Use of additives by gas-liquid treatment, e.g. by gas-liquid absorption
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
FR7440104A 1973-12-07 1974-12-06 Expired FR2253542B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732360977 DE2360977A1 (de) 1973-12-07 1973-12-07 Verfahren zur destillativen reinigung von thermisch empfindlichen p - hydrosybenzaldehyden
DE19742452568 DE2452568C2 (de) 1973-12-07 1974-11-06 Trägerdampf-Destillation

Publications (2)

Publication Number Publication Date
FR2253542A1 FR2253542A1 (de) 1975-07-04
FR2253542B1 true FR2253542B1 (de) 1978-09-15

Family

ID=25766208

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7440104A Expired FR2253542B1 (de) 1973-12-07 1974-12-06

Country Status (11)

Country Link
JP (1) JPS5721361B2 (de)
AT (1) AT353749B (de)
BE (1) BE823028A (de)
CH (1) CH604801A5 (de)
DD (1) DD117183A5 (de)
DE (2) DE2360977A1 (de)
FR (1) FR2253542B1 (de)
GB (1) GB1448919A (de)
IT (1) IT1024330B (de)
NL (1) NL184455B (de)
SU (1) SU620202A3 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367113A (en) * 1981-06-29 1983-01-04 Gulf Oil Corporation Multicomponent polymer compositions
DE4340093A1 (de) * 1993-11-24 1995-06-01 Cognis Bio Umwelt Verfahren zur vereinfachten Trennung von Mehrstoffgemischen wenigstens anteilig organischen Ursprungs
FR2933974B1 (fr) * 2008-07-18 2010-09-17 Rhodia Operations Procede de separation d'un aldehyde aromatique
DE102013012948B4 (de) 2013-07-29 2015-08-06 Rudolf Krause Mobile Vorrichtung zur Gewinnung von dampfdestilliertem Reinstwasser, welches eine elektrische Leitfähigkeit unter 1,0 μS aufweist
CN107986950A (zh) * 2017-11-27 2018-05-04 昆山亚香香料股份有限公司 一种利用木质素化学提取高纯度香兰素的工艺方法
TWI712586B (zh) * 2018-07-20 2020-12-11 泰商Ｓｃｇ化學股份有限公司 用於將乙苯自其他ｃ芳族化合物中分離出之製程
EP4079386A1 (de) * 2021-04-22 2022-10-26 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Verfahren zur trennung eines produktgemisches

Also Published As

Publication number Publication date
DE2452568A1 (de) 1976-05-13
IT1024330B (it) 1978-06-20
FR2253542A1 (de) 1975-07-04
DE2452568C2 (de) 1985-12-12
JPS5721361B2 (de) 1982-05-07
AT353749B (de) 1979-11-26
ATA972374A (de) 1979-05-15
BE823028A (fr) 1975-06-06
DD117183A5 (de) 1976-01-05
CH604801A5 (de) 1978-09-15
SU620202A3 (ru) 1978-08-15
NL7415887A (nl) 1975-06-10
NL184455B (nl) 1989-03-01
DE2360977A1 (de) 1975-06-26
JPS5090575A (de) 1975-07-19
GB1448919A (en) 1976-09-08

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Legal Events

Date Code Title Description
ST Notification of lapse