DE2201434C3 - Verfahren zur Herstellung von Formaldehyd - Google Patents

Verfahren zur Herstellung von Formaldehyd

Info

Publication number
DE2201434C3
DE2201434C3 DE19722201434 DE2201434A DE2201434C3 DE 2201434 C3 DE2201434 C3 DE 2201434C3 DE 19722201434 DE19722201434 DE 19722201434 DE 2201434 A DE2201434 A DE 2201434A DE 2201434 C3 DE2201434 C3 DE 2201434C3
Authority
DE
Germany
Prior art keywords
methanol
water
percent
evaporator
weight
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
DE19722201434
Other languages
German (de)
English (en)
Other versions
DE2201434B2 (de
DE2201434A1 (de
Inventor
Karl Dr. 6730 Neustadt Buschmann
Hans Dr. 6800 Mannheim Diem
Guenther Dr. Matthias
Friedrich Dr. Wodtcke
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.)
BASF SE
Original Assignee
BASF SE
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 to BE794015D priority Critical patent/BE794015A/xx
Application filed by BASF SE filed Critical BASF SE
Priority to DE19722201434 priority patent/DE2201434C3/de
Priority to GB573A priority patent/GB1406201A/en
Priority to NL7300366A priority patent/NL7300366A/xx
Priority to NL7300367A priority patent/NL7300367A/xx
Priority to FR7301027A priority patent/FR2168011B1/fr
Priority to JP631973A priority patent/JPS4878110A/ja
Publication of DE2201434A1 publication Critical patent/DE2201434A1/de
Publication of DE2201434B2 publication Critical patent/DE2201434B2/de
Application granted granted Critical
Publication of DE2201434C3 publication Critical patent/DE2201434C3/de
Priority to US05/570,801 priority patent/US3965195A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/37Preparation 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 >C—O—functional groups to >C=O groups
    • C07C45/38Preparation 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 >C—O—functional groups to >C=O groups being a primary hydroxyl group
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78Separation; Purification; Stabilisation; Use of additives
    • C07C45/81Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C07C45/83Separation; 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)
DE19722201434 1972-01-13 1972-01-13 Verfahren zur Herstellung von Formaldehyd Expired DE2201434C3 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
BE794015D BE794015A (fr) 1972-01-13 Procede de preparation du formaldehyde
DE19722201434 DE2201434C3 (de) 1972-01-13 1972-01-13 Verfahren zur Herstellung von Formaldehyd
GB573A GB1406201A (en) 1972-01-13 1973-01-01 Process for the production of formaldehyde
NL7300367A NL7300367A (en) 1972-01-13 1973-01-10 Distillation of formaldehyde solns - in presence of alkanols and dialkylethers to give low methanol prod
NL7300366A NL7300366A (enrdf_load_stackoverflow) 1972-01-13 1973-01-10
FR7301027A FR2168011B1 (enrdf_load_stackoverflow) 1972-01-13 1973-01-12
JP631973A JPS4878110A (enrdf_load_stackoverflow) 1972-01-13 1973-01-13
US05/570,801 US3965195A (en) 1972-01-13 1975-04-23 Process for the production of formaldehyde

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722201434 DE2201434C3 (de) 1972-01-13 1972-01-13 Verfahren zur Herstellung von Formaldehyd

Publications (3)

Publication Number Publication Date
DE2201434A1 DE2201434A1 (de) 1973-07-26
DE2201434B2 DE2201434B2 (de) 1974-05-02
DE2201434C3 true DE2201434C3 (de) 1974-12-19

Family

ID=5832872

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722201434 Expired DE2201434C3 (de) 1972-01-13 1972-01-13 Verfahren zur Herstellung von Formaldehyd

Country Status (6)

Country Link
JP (1) JPS4878110A (enrdf_load_stackoverflow)
BE (1) BE794015A (enrdf_load_stackoverflow)
DE (1) DE2201434C3 (enrdf_load_stackoverflow)
FR (1) FR2168011B1 (enrdf_load_stackoverflow)
GB (1) GB1406201A (enrdf_load_stackoverflow)
NL (1) NL7300366A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE2201434B2 (de) 1974-05-02
BE794015A (fr) 1973-07-12
DE2201434A1 (de) 1973-07-26
GB1406201A (en) 1975-09-17
FR2168011B1 (enrdf_load_stackoverflow) 1976-08-27
NL7300366A (enrdf_load_stackoverflow) 1973-07-17
JPS4878110A (enrdf_load_stackoverflow) 1973-10-20
FR2168011A1 (enrdf_load_stackoverflow) 1973-08-24

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977