BE868255A - Procede de reduction au moyen de borohydrure de sodium et d'hydrosulfite - Google Patents

Procede de reduction au moyen de borohydrure de sodium et d'hydrosulfite

Info

Publication number
BE868255A
BE868255A BE188682A BE188682A BE868255A BE 868255 A BE868255 A BE 868255A BE 188682 A BE188682 A BE 188682A BE 188682 A BE188682 A BE 188682A BE 868255 A BE868255 A BE 868255A
Authority
BE
Belgium
Prior art keywords
hydrosulphite
sodium borohydride
reduction process
reduction
borohydride
Prior art date
Application number
BE188682A
Other languages
English (en)
French (fr)
Original Assignee
Ventron Corp
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 Ventron Corp filed Critical Ventron Corp
Publication of BE868255A publication Critical patent/BE868255A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/04—Clay; Kaolin
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/22—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using vat dyestuffs including indigo
    • D06P1/221—Reducing systems; Reducing catalysts
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
    • D21C9/1089—Bleaching ; Apparatus therefor with reducing compounds with dithionites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
  • Silicon Compounds (AREA)
  • Removal Of Specific Substances (AREA)
BE188682A 1977-06-17 1978-06-19 Procede de reduction au moyen de borohydrure de sodium et d'hydrosulfite BE868255A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80746377A 1977-06-17 1977-06-17

Publications (1)

Publication Number Publication Date
BE868255A true BE868255A (fr) 1978-10-16

Family

ID=25196428

Family Applications (1)

Application Number Title Priority Date Filing Date
BE188682A BE868255A (fr) 1977-06-17 1978-06-19 Procede de reduction au moyen de borohydrure de sodium et d'hydrosulfite

Country Status (8)

Country Link
JP (1) JPS546901A (de)
BE (1) BE868255A (de)
DE (1) DE2826821A1 (de)
FI (1) FI781941A (de)
FR (1) FR2394639A1 (de)
IT (1) IT1105547B (de)
NO (1) NO782114L (de)
SE (1) SE7806928L (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9212926D0 (en) * 1992-06-18 1992-07-29 Morton Int Inc Method of bleaching paper pulp
EP1146089A1 (de) * 2000-04-10 2001-10-17 Rohm And Haas Company Verfahren zum Bleichen von Kaolin Ton und anderen Mineralien und erhaltene, gebleichte Produkte
US20100224333A1 (en) 2009-03-09 2010-09-09 Prasad Duggirala Method and chemical composition to improve efficiency of mechanical pulp
US9932709B2 (en) 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production

Also Published As

Publication number Publication date
IT1105547B (it) 1985-11-04
FR2394639A1 (fr) 1979-01-12
JPS546901A (en) 1979-01-19
SE7806928L (sv) 1978-12-18
FI781941A (fi) 1978-12-18
DE2826821A1 (de) 1979-01-18
IT7849932A0 (it) 1978-06-19
NO782114L (no) 1978-12-19

Similar Documents

Publication Publication Date Title
BE866807A (fr) Nouvelle glycoproteine, son procede d'obtention et son application therapeutique
BE866735A (fr) Procede et dispositif pour la fabrication d'une piece par filage a la presse
FR2305123A1 (fr) Dispositif pour l'hydroculture de plantes
JPS53142520A (en) Tableting method of microcapsule
RO79732A (ro) Procedeu pentru prepararea unor 7-acilaminofenil-etanolamine
BE866192A (fr) Procede et installation hydraulique de production d'energie
BE858046A (fr) Curseur pour rubans et son procede d'assemblage
LU78622A1 (fr) Catalyseurs et procede d'hydrogenation
BE872477A (fr) Procede d'hydrogenation
LU79162A1 (fr) Benzylimidazole derivatives-herbicides et procede d'obtention
IT1123137B (it) "3",4"-diaciltilosina e procedimento per la sua produzione
BE868255A (fr) Procede de reduction au moyen de borohydrure de sodium et d'hydrosulfite
FR2328702A1 (fr) 1,4-bis-(azolyl-(2'))-naphtalenes, leur procede preparation et leur application a l'azurage optique
BE872843A (fr) Procede d'obtention d'aporphines
RO80699A (ro) Procedeu pentru prepararea unor 3-fenil-4(u')-piridintione
BE872294A (fr) Procede de preparation de 3-iodorifamycine s et de 3-bromorifamycine s
YU250478A (en) Process for obtaining new n'phenyl-n-methylcarbamide derivatives
IT7849063A0 (it) Procedimento ed impianto per produrre 1/2-di-cloroetano
OA06094A (fr) Procédé pour l'obtention d'alkylthiosulfates et d'alkylidènethiosulfates.
RO79686A7 (ro) Procedeu de preparare a unor derivati de 4''-dezoxi-4''-oxo-eritromicina a
RO81226A (ro) Procedeu pentru prepararea unor derivati de 5(3)-hidroxipirazol
LU79046A1 (fr) Perfectionnement au procede de preparation du percarbonate de sodium
JPS5442428A (en) Ring spinning frame
IT1118225B (it) Procedimento per l'ottenimento di steroidi poliossidrilati,lisergolo ed alcaloidi ergolici
FR2396802B1 (fr) Procede de fabrication d'yttrium et d'alliages d'yttrium