SE7806928L - Reduktionsforfarande med ditionit och natriumborhydrid - Google Patents

Reduktionsforfarande med ditionit och natriumborhydrid

Info

Publication number
SE7806928L
SE7806928L SE7806928A SE7806928A SE7806928L SE 7806928 L SE7806928 L SE 7806928L SE 7806928 A SE7806928 A SE 7806928A SE 7806928 A SE7806928 A SE 7806928A SE 7806928 L SE7806928 L SE 7806928L
Authority
SE
Sweden
Prior art keywords
borhhydrid
ditionite
sodium
reduction procedure
procedure
Prior art date
Application number
SE7806928A
Other languages
English (en)
Swedish (sv)
Inventor
E A Sullivan
Jr M L Atkinson
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 SE7806928L publication Critical patent/SE7806928L/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)
SE7806928A 1977-06-17 1978-06-15 Reduktionsforfarande med ditionit och natriumborhydrid SE7806928L (sv)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SE7806928L true SE7806928L (sv) 1978-12-18

Family

ID=25196428

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7806928A SE7806928L (sv) 1977-06-17 1978-06-15 Reduktionsforfarande med ditionit och natriumborhydrid

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
BE868255A (fr) 1978-10-16
IT1105547B (it) 1985-11-04
FR2394639A1 (fr) 1979-01-12
JPS546901A (en) 1979-01-19
FI781941A (fi) 1978-12-18
DE2826821A1 (de) 1979-01-18
IT7849932A0 (it) 1978-06-19
NO782114L (no) 1978-12-19

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