NL7510836A - Werkwijze ter bereiding van geconcentreerde, waterige oplossingen van formaldehyde. - Google Patents

Werkwijze ter bereiding van geconcentreerde, waterige oplossingen van formaldehyde.

Info

Publication number
NL7510836A
NL7510836A NL7510836A NL7510836A NL7510836A NL 7510836 A NL7510836 A NL 7510836A NL 7510836 A NL7510836 A NL 7510836A NL 7510836 A NL7510836 A NL 7510836A NL 7510836 A NL7510836 A NL 7510836A
Authority
NL
Netherlands
Prior art keywords
formaldehyde
aqueous solutions
concentrated aqueous
preparing concentrated
preparing
Prior art date
Application number
NL7510836A
Other languages
English (en)
Other versions
NL186629C (nl
NL186629B (nl
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Publication of NL7510836A publication Critical patent/NL7510836A/nl
Publication of NL186629B publication Critical patent/NL186629B/nl
Application granted granted Critical
Publication of NL186629C publication Critical patent/NL186629C/nl

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
    • C07C45/27—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
    • C07C45/37—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 >C—O—functional groups to >C=O groups
    • C07C45/38—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 >C—O—functional groups to >C=O groups being a primary hydroxyl group
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Catalysts (AREA)
NLAANVRAGE7510836,A 1974-09-18 1975-09-15 Werkwijze voor de continue bereiding van geconcentreerde, waterige oplossingen van formaldehyd. NL186629C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2444586A DE2444586C3 (de) 1974-09-18 1974-09-18 Verfahren zur Herstellung von konzentrierten, wäßrigen Lösungen von Formaldehyd

Publications (3)

Publication Number Publication Date
NL7510836A true NL7510836A (nl) 1976-03-22
NL186629B NL186629B (nl) 1990-08-16
NL186629C NL186629C (nl) 1991-01-16

Family

ID=5926092

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7510836,A NL186629C (nl) 1974-09-18 1975-09-15 Werkwijze voor de continue bereiding van geconcentreerde, waterige oplossingen van formaldehyd.

Country Status (14)

Country Link
US (1) US4119673A (nl)
JP (1) JPS5156407A (nl)
AT (1) AT342562B (nl)
BE (1) BE833550A (nl)
CA (1) CA1058221A (nl)
DE (1) DE2444586C3 (nl)
ES (1) ES441049A1 (nl)
FI (1) FI752528A (nl)
FR (1) FR2285365A1 (nl)
GB (1) GB1526245A (nl)
NL (1) NL186629C (nl)
NO (1) NO143425C (nl)
SE (1) SE431537B (nl)
ZA (1) ZA755925B (nl)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233248A (en) * 1979-02-21 1980-11-11 E. I. Du Pont De Nemours And Company Process for oxidation of methanol to formaldehyde with nitrous oxide
US4343954A (en) * 1981-04-28 1982-08-10 E. I. Du Pont De Nemours And Company Formaldehyde process
US4348540A (en) * 1981-06-29 1982-09-07 Monsanto Company Manufacture of aqueous formaldehyde
US4385188A (en) * 1981-10-09 1983-05-24 Monsanto Company Process for removing methanol from aqueous formaldehyde
US4383123A (en) * 1981-10-08 1983-05-10 Monsanto Company Manufacture of aqueous formaldehyde
US4454354A (en) * 1982-08-02 1984-06-12 Monsanto Company Manufacture of aqueous formaldehyde
US4450301A (en) * 1982-10-21 1984-05-22 Celanese Corporation Process for converting methanol to formaldehyde
DE3402995A1 (de) * 1984-01-28 1985-08-08 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von formaldehyd
JPH0662478B2 (ja) * 1984-04-12 1994-08-17 三菱瓦斯化学株式会社 ホルムアルデヒド水溶液の製造法
DE4315799A1 (de) * 1993-05-12 1994-11-17 Basf Ag Verfahren zur Herstellung von Formyldehyd durch oxidative Dehydrierung von Methanol in Gegenwart von Distickstoffoxid
ES2103193B1 (es) 1995-05-16 1998-04-01 Patentes Novedades Sa Procedimiento para la preparacion en continuo de soluciones acuosas de formaldehido.
AT412871B (de) * 1998-12-10 2005-08-25 Krems Chemie Ag Verfahren und vorrichtung zur herstellung von formaldehyd
DE102008059701A1 (de) * 2008-11-29 2010-06-02 Bayer Materialscience Ag Verfahren zur Herstellung von wässrigen Formaldehyd-Lösungen
CN102320942B (zh) * 2011-06-14 2014-04-16 田宝峰 甲醛生产工艺及装置
US20200009535A1 (en) 2017-02-24 2020-01-09 Basf Se Silver catalyst system having a reduced pressure drop for the oxidative dehydrogenation of alcohols
EP3539657A1 (en) 2018-03-14 2019-09-18 Basf Se Improved catalysts comprising silver based intermetallic compounds

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436287A (en) * 1943-04-15 1948-02-17 Du Pont Conversion of methanol to formaldehyde
US2462413A (en) * 1946-06-06 1949-02-22 Allied Chem & Dye Corp Production of formaldehyde
AT218492B (de) * 1960-06-21 1961-12-11 Leuna Werke Veb Verfahren zur Reinigung der Reaktionsluft bei der Herstellung von Formaldehyd durch katalytische Umsetzung von Methanol in Gegenwart von Silberkatalysatoren
DE1133357B (de) * 1960-06-29 1962-07-19 Leuna Werke Iawalter Ulbrichti Verfahren zur Reinigung der Reaktionsluft bei der Herstellung von Formaldehyd durch katalytische Umsetzung von Methanol ueber Silberkatalysatoren
DE1136318B (de) * 1961-02-09 1962-09-13 Basf Ag Verfahren zur Reinigung von Methanol durch Entfernung von fluechtigen Eisencarbonylverbindungen
DE1231229B (de) * 1965-03-24 1966-12-29 Basf Ag Verfahren zur Herstellung von Formaldehyd
FR1474620A (nl) * 1965-04-07 1967-06-09
BE683130A (nl) * 1966-06-24 1966-12-01
DE1277834B (de) * 1966-07-22 1968-09-19 Basf Ag Verfahren zur Herstellung von Formaldehyd
DE1294360B (de) * 1967-06-06 1969-05-08 Basf Ag Verfahren zur Herstellung von Formaldehyd
DE1903197A1 (de) * 1969-01-23 1970-08-13 Basf Ag Verfahren zur Herstellung von Formaldehyd
FR2038646A5 (nl) * 1969-03-20 1971-01-08 Charbonnages Chimiques
DE2022818B2 (de) * 1970-05-11 1976-06-16 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von formaldehyd
SU368222A1 (ru) * 1970-05-22 1973-01-26 Способ получения формальдегида
IT955508B (it) * 1972-05-15 1973-09-29 Montedison Spa Processo perfezionato per la produzione di formaldeide
IT988916B (it) * 1972-06-26 1975-04-30 Basf Ag Processo per la preparazione di formaldeide
DE2308409A1 (de) * 1973-02-21 1974-08-29 Basf Ag Verfahren zur herstellung von konzentrierten, waessrigen loesungen von formaldehyd
DE2322757C3 (de) * 1973-05-05 1981-10-22 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Formaldehyd

Also Published As

Publication number Publication date
DE2444586C3 (de) 1986-07-10
CA1058221A (en) 1979-07-10
US4119673A (en) 1978-10-10
JPS5156407A (nl) 1976-05-18
GB1526245A (en) 1978-09-27
NO143425C (no) 1981-02-11
NL186629C (nl) 1991-01-16
FR2285365B1 (nl) 1980-06-27
AT342562B (de) 1978-04-10
ES441049A1 (es) 1977-03-16
FR2285365A1 (fr) 1976-04-16
ATA711975A (de) 1977-08-15
SE7510419L (sv) 1976-03-19
FI752528A (nl) 1976-03-19
SE431537B (sv) 1984-02-13
NO753122L (nl) 1976-03-19
DE2444586A1 (de) 1976-04-01
ZA755925B (en) 1976-09-29
DE2444586B2 (de) 1978-12-07
NO143425B (no) 1980-11-03
BE833550A (fr) 1976-03-18
NL186629B (nl) 1990-08-16

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BK Erratum

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V4 Discontinued because of reaching the maximum lifetime of a patent

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