SE7806928L - REDUCTION PROCEDURE WITH DITIONITE AND SODIUM BORHHYDRID - Google Patents
REDUCTION PROCEDURE WITH DITIONITE AND SODIUM BORHHYDRIDInfo
- 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
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
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 (en) | 1978-12-18 |
Family
ID=25196428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7806928A SE7806928L (en) | 1977-06-17 | 1978-06-15 | REDUCTION PROCEDURE WITH DITIONITE AND SODIUM BORHHYDRID |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS546901A (en) |
BE (1) | BE868255A (en) |
DE (1) | DE2826821A1 (en) |
FI (1) | FI781941A (en) |
FR (1) | FR2394639A1 (en) |
IT (1) | IT1105547B (en) |
NO (1) | NO782114L (en) |
SE (1) | SE7806928L (en) |
Families Citing this family (4)
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 (en) * | 2000-04-10 | 2001-10-17 | Rohm And Haas Company | Methods for bleaching kaolin clay and other minerals and bleached products obtained by the method |
US9932709B2 (en) | 2013-03-15 | 2018-04-03 | Ecolab Usa Inc. | Processes and compositions for brightness improvement in paper production |
US20100224333A1 (en) | 2009-03-09 | 2010-09-09 | Prasad Duggirala | Method and chemical composition to improve efficiency of mechanical pulp |
-
1978
- 1978-06-15 SE SE7806928A patent/SE7806928L/en unknown
- 1978-06-16 FR FR7818154A patent/FR2394639A1/en not_active Withdrawn
- 1978-06-16 NO NO782114A patent/NO782114L/en unknown
- 1978-06-16 FI FI781941A patent/FI781941A/en not_active Application Discontinuation
- 1978-06-16 JP JP7310978A patent/JPS546901A/en active Pending
- 1978-06-19 BE BE188682A patent/BE868255A/en unknown
- 1978-06-19 DE DE19782826821 patent/DE2826821A1/en not_active Withdrawn
- 1978-06-19 IT IT49932/78A patent/IT1105547B/en active
Also Published As
Publication number | Publication date |
---|---|
IT7849932A0 (en) | 1978-06-19 |
IT1105547B (en) | 1985-11-04 |
FR2394639A1 (en) | 1979-01-12 |
BE868255A (en) | 1978-10-16 |
JPS546901A (en) | 1979-01-19 |
DE2826821A1 (en) | 1979-01-18 |
FI781941A (en) | 1978-12-18 |
NO782114L (en) | 1978-12-19 |
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