NO133034B - - Google Patents

Info

Publication number
NO133034B
NO133034B NO184469A NO184469A NO133034B NO 133034 B NO133034 B NO 133034B NO 184469 A NO184469 A NO 184469A NO 184469 A NO184469 A NO 184469A NO 133034 B NO133034 B NO 133034B
Authority
NO
Norway
Prior art keywords
pulp
impregnation
temperature
stated
sulphite
Prior art date
Application number
NO184469A
Other languages
English (en)
Norwegian (no)
Other versions
NO133034C (xx
Inventor
B K Howe
F R F Hardy
D A Clark
Original Assignee
Laporte Chemical
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 Laporte Chemical filed Critical Laporte Chemical
Publication of NO133034B publication Critical patent/NO133034B/no
Publication of NO133034C publication Critical patent/NO133034C/no

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/835Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with germanium, tin or lead
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/843Arsenic, antimony or bismuth
    • 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
    • C07C45/27Preparation 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
    • C07C45/39Preparation 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 secondary 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
    • C07C45/56Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
    • C07C45/57Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom
    • C07C45/60Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom in six-membered rings
    • 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
    • C07C45/783Separation; Purification; Stabilisation; Use of additives by gas-liquid treatment, e.g. by gas-liquid absorption
    • 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
    • C07C45/79Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • 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
    • 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
    • C07C45/85Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/04Saturated compounds containing keto groups bound to acyclic carbon atoms
    • C07C49/17Saturated compounds containing keto groups bound to acyclic carbon atoms containing hydroxy groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/04Saturated compounds containing keto groups bound to acyclic carbon atoms
    • C07C49/185Saturated compounds containing keto groups bound to acyclic carbon atoms containing —CHO groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D233/00Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/04Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D233/28Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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 to ring carbon atoms
    • C07D233/30Oxygen or sulfur atoms
    • C07D233/40Two or more oxygen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Paper (AREA)
NO184469A 1968-05-06 1969-05-05 NO133034C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2142268A GB1272592A (en) 1968-05-06 1968-05-06 Vapour phase oxidation of hydroxy compounds

Publications (2)

Publication Number Publication Date
NO133034B true NO133034B (xx) 1975-11-17
NO133034C NO133034C (xx) 1976-02-25

Family

ID=10162679

Family Applications (1)

Application Number Title Priority Date Filing Date
NO184469A NO133034C (xx) 1968-05-06 1969-05-05

Country Status (11)

Country Link
JP (1) JPS4930807B1 (xx)
BE (1) BE732584A (xx)
BR (1) BR6908551D0 (xx)
CH (1) CH535193A (xx)
DE (2) DE1967147C2 (xx)
ES (1) ES366867A1 (xx)
FR (1) FR2007925A1 (xx)
GB (1) GB1272592A (xx)
NL (1) NL168487C (xx)
NO (1) NO133034C (xx)
SE (1) SE363816B (xx)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1064963A (en) * 1975-07-31 1979-10-23 American Cyanamid Company Vapor phase oxidation process for glyoxal
US4258216A (en) * 1975-07-31 1981-03-24 American Cyanamid Company Vapor phase oxidation process for glyoxal
JPS5490109A (en) * 1977-12-24 1979-07-17 Basf Ag Manufacture of fatty hydroxycarbonyl compound etherified with fatty group
DE2803318A1 (de) * 1978-01-26 1979-08-09 Basf Ag Verfahren zur herstellung von glyoxal
DE2832405A1 (de) * 1978-07-24 1980-02-14 Basf Ag Verfahren zur herstellung von glyoxal aus aethylenglykol
DE2922599A1 (de) * 1979-06-02 1980-12-04 Basf Ag Verfahren zur kontinuierlichen herstellung von glyoxal
DE3012004A1 (de) * 1980-03-28 1981-10-15 Hoechst Ag, 6000 Frankfurt Verfahren zur herstellung von methylglyoxal
JPS5838227A (ja) * 1981-09-01 1983-03-05 Mitsui Toatsu Chem Inc アルデヒドの製造法
DE3213227A1 (de) * 1982-04-08 1983-10-13 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von formaldehyd
US4503261A (en) * 1982-07-22 1985-03-05 Basf Aktiengesellschaft Preparation of glyoxal
DE3390191C2 (de) * 1982-08-30 1989-01-26 Mitsui Toatsu Chemicals Verfahren zur Herstellung von glyoxal
US4439625A (en) * 1982-09-29 1984-03-27 E. I. Du Pont De Nemours And Company Production of formaldehyde
US4599459A (en) * 1984-08-31 1986-07-08 Masanao Hirose Method for the ultrasonic treatment of a dilute alcoholic solution
DE3643469A1 (de) * 1986-12-19 1988-06-30 Basf Ag Verfahren zur herstellung von carbonylverbindungen
DE3712856A1 (de) * 1987-04-15 1988-11-03 Basf Ag Verfahren zur herstellung von carbonylverbindungen
WO2007132011A1 (de) * 2006-05-17 2007-11-22 Basf Aktiengesellschaft Verfahren zur herstellung vicinaler dioxoverbindungen durch oxidation vicinaler dihydroxyverbindungen an einer strukturierten katalysatorschüttung
JP2009537479A (ja) * 2006-05-17 2009-10-29 ビーエーエスエフ ソシエタス・ヨーロピア 炭化水素の酸化反応の実施における温度調整
DE102008018480B4 (de) 2007-04-13 2020-10-15 Basf Se Verfahren zur Herstellung vicinaler Dioxoverbindungen durch Oxidation vicinaler Dihydroxyverbindungen
DE102008002535A1 (de) 2007-06-25 2009-01-02 Basf Se Verfahren zur Herstellung vicinaler Dioxoverbindungen durch Oxidation vicinaler Dihydroxyverbindungen an Silber enthaltenden Dünnschichtkatalysatoren
EP2382175B1 (de) 2008-12-29 2015-02-25 Basf Se Verfahren zur reinigung wässriger glyoxal-lösungen
US8461396B2 (en) 2010-10-01 2013-06-11 Basf Se Process for purifying aqueous glyoxal solutions
EP2621878B1 (de) 2010-10-01 2016-06-01 Basf Se Verfahren zur reinigung wässriger glyoxal-lösungen
EP4214185B1 (en) 2020-09-17 2024-07-17 Basf Se Process for the production of glyoxal

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1497817A (en) * 1918-08-13 1924-06-17 Seth B Hunt Process of making acetone and other ketones
US2051266A (en) * 1935-03-23 1936-08-18 Shell Dev Catalytic oxidation of polyhydric alcohols
US2462107A (en) * 1943-05-03 1949-02-22 Ninol Dev Co Process for preparation of diacetyl
FR1060331A (fr) * 1951-08-02 1954-04-01 Basf Ag Procédé pour obtenir les uréines du glyoxal
US3049446A (en) * 1960-02-05 1962-08-14 Sun Chemical Corp Process for the manufacture of urea, glyoxal and formaldehye reaction product useful for improving cellulosic textile materials

Also Published As

Publication number Publication date
DE1923048A1 (de) 1969-11-20
FR2007925A1 (xx) 1970-01-16
NL6906866A (xx) 1969-11-10
DE1967147C2 (de) 1980-02-14
NL168487B (nl) 1981-11-16
JPS4930807B1 (xx) 1974-08-16
SE363816B (xx) 1974-02-04
GB1272592A (en) 1972-05-03
DE1923048B2 (de) 1979-07-19
DE1967147B1 (de) 1979-06-13
CH535193A (de) 1973-03-31
NO133034C (xx) 1976-02-25
BE732584A (xx) 1969-11-06
ES366867A1 (es) 1971-06-16
BR6908551D0 (pt) 1973-01-04
DE1923048C3 (de) 1980-06-19
NL168487C (nl) 1982-04-16

Similar Documents

Publication Publication Date Title
NO133034B (xx)
CA1226705A (en) Chemithermomechanical pulping process employing separate alkali and sulfite treatments
US3707436A (en) Exploding of ammonia impregnated wood chips
NO147037B (no) Fremgangsmaate ved fremstilling av cellulosemasse
NO166803B (no) Fremgangsmaate ved fremstilling av bleket masse.
US4116758A (en) Method of producing high yield chemimechanical pulps
US3817826A (en) Process for fractionated recovery of lignin and cellulose from bark
NO130776B (xx)
US4597830A (en) Method and pulping composition for the selective delignification of lignocellulosic materials with an aqueous amine-alcohol mixture in the presence of a catalyst
US20090314443A1 (en) Method for producing fibrous material
NO140535B (no) Fremgangsmaate for fremstilling av cellulosemasse ved oppslutning med oksygen
NO152096B (no) Fremgangsmaate for fremstilling av xantan ved kontinuerlig dyrking av polysakkaridproduserende bakterier
US1848661A (en) of berlin
EA006819B1 (ru) Способ делигнификации лигноцеллюлозного сырья
NO148464B (no) Lysledende element for innbygning i optiske overfoeringsorganer
NO820336L (no) Fremstilling av kjemimekanisk masse
US1831032A (en) Production of refined wood pulp
US1880042A (en) Acid process of fiber liberation
NO152342B (no) Fremgangsmaate til delignifisering av lignocellulosemateriale med alkalisk vaeske i naervaer av et additiv
US3262839A (en) Neutral to weakly alkaline sulfite process for the extraction of cellulose from cellulosic material
US3520773A (en) Alkaline pulping processes with chemical pretreatment
US2939813A (en) Pulping of lignocellulosic material
US2799580A (en) Process for the disincrustation of fibrous vegetable materials
US2687352A (en) Process of refining hardwood pulp
US2190194A (en) Chemical pulping of raw cellulosic material