ES481597A1 - Procedimiento para la obtencion de acetaldehido. - Google Patents

Procedimiento para la obtencion de acetaldehido.

Info

Publication number
ES481597A1
ES481597A1 ES481597A ES481597A ES481597A1 ES 481597 A1 ES481597 A1 ES 481597A1 ES 481597 A ES481597 A ES 481597A ES 481597 A ES481597 A ES 481597A ES 481597 A1 ES481597 A1 ES 481597A1
Authority
ES
Spain
Prior art keywords
water
reactor
acetaldehyde
solution
waste water
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
ES481597A
Other languages
English (en)
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Publication of ES481597A1 publication Critical patent/ES481597A1/es
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
    • 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
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
    • C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

UN método para preparar medios de ensayo para la determinación del contenido de urea de fluidos, el cual método comprende incorporar, a una matriz portadora cargada con resina cambiadora de cationes, fuerte, que está en su forma ácida, unos primero y segundo rreactivos, separados entre sí mediante un material polímero, comprendiendo dicho primer reactivo aldehido orto-ftálico y comprendiendo dicho segundo reactivo 3-hidroxi-1,2,3,4- tetrahidrobenzo[h]quinoleina, 3-acetoxi-1,2,3,4-tetrahidrobenzo[h]quinoleina, o sus sales diclorhidrato.
ES481597A 1978-06-22 1979-06-15 Procedimiento para la obtencion de acetaldehido. Expired ES481597A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782827380 DE2827380A1 (de) 1978-06-22 1978-06-22 Verfahren zur herstellung von acetaldehyd

Publications (1)

Publication Number Publication Date
ES481597A1 true ES481597A1 (es) 1980-01-16

Family

ID=6042448

Family Applications (1)

Application Number Title Priority Date Filing Date
ES481597A Expired ES481597A1 (es) 1978-06-22 1979-06-15 Procedimiento para la obtencion de acetaldehido.

Country Status (7)

Country Link
US (1) US4237073A (es)
EP (1) EP0006523B1 (es)
JP (1) JPS554390A (es)
AU (1) AU519576B2 (es)
DE (2) DE2827380A1 (es)
ES (1) ES481597A1 (es)
MX (1) MX151612A (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0128745B1 (en) * 1983-06-13 1986-09-24 Babcock-Hitachi Kabushiki Kaisha Process for producing acetaldehyde
DE3736459A1 (de) * 1987-10-28 1989-05-11 Hoechst Ag Verfahren zur abtrennung organischer chlorverbindungen aus dem abgas der ethylenoxidation
DE19745806A1 (de) * 1997-10-16 1999-04-22 Hoechst Ag Ethylenaufbereitung mittels Gaspermeation
US6121498A (en) * 1998-04-30 2000-09-19 Eastman Chemical Company Method for producing acetaldehyde from acetic acid
DE19819317C2 (de) * 1998-04-30 2003-03-27 Celanese Chem Europe Gmbh Verfahren zur Herstellung von Acetaldehyd aus Ethylen und Sauerstoff

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076032A (en) * 1957-10-31 1963-01-29 Hoechst Ag Process for oxidizing olefins to aldehydes and ketones
US3119875A (en) * 1957-10-31 1964-01-28 Hoechst Ag Process for oxidizing olefins to aldehydes and ketones
GB938836A (en) * 1959-01-07 1963-10-09 Hoechst Ag Process for the manufacture of carbonyl compounds
GB912686A (en) * 1959-11-02 1962-12-12 Shell Int Research A process for the oxidation of olefinic hydrocarbons
GB952718A (en) * 1962-02-26 1964-03-18 Nippon Synthetic Chem Ind Process for producing acetaldehyde
DE2612797A1 (de) * 1976-03-25 1977-09-29 Celanese Corp Verfahren zum umwandeln von alkenen in sauerstoffhaltige derivate derselben

Also Published As

Publication number Publication date
DE2960509D1 (en) 1981-10-29
MX151612A (es) 1985-01-14
DE2827380A1 (de) 1980-01-10
AU519576B2 (en) 1981-12-10
EP0006523A1 (de) 1980-01-09
JPS554390A (en) 1980-01-12
AU4825879A (en) 1980-01-03
EP0006523B1 (de) 1981-07-22
JPS6213933B2 (es) 1987-03-30
US4237073A (en) 1980-12-02

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20000601