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'hydrosulfiteInfo
- 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
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)
- Removal Of Specific Substances (AREA)
- Silicon Compounds (AREA)
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 (fr) |
BE (1) | BE868255A (fr) |
DE (1) | DE2826821A1 (fr) |
FI (1) | FI781941A (fr) |
FR (1) | FR2394639A1 (fr) |
IT (1) | IT1105547B (fr) |
NO (1) | NO782114L (fr) |
SE (1) | SE7806928L (fr) |
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 (fr) * | 2000-04-10 | 2001-10-17 | Rohm And Haas Company | Procédé pour blanchir de l'argile et d'autres minéraux et produits blanchis obtenus par ce procédé |
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/xx unknown
- 1978-06-16 JP JP7310978A patent/JPS546901A/ja active Pending
- 1978-06-16 FR FR7818154A patent/FR2394639A1/fr not_active Withdrawn
- 1978-06-16 FI FI781941A patent/FI781941A/fi not_active Application Discontinuation
- 1978-06-16 NO NO782114A patent/NO782114L/no unknown
- 1978-06-19 IT IT49932/78A patent/IT1105547B/it active
- 1978-06-19 DE DE19782826821 patent/DE2826821A1/de not_active Withdrawn
- 1978-06-19 BE BE188682A patent/BE868255A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
IT7849932A0 (it) | 1978-06-19 |
DE2826821A1 (de) | 1979-01-18 |
IT1105547B (it) | 1985-11-04 |
NO782114L (no) | 1978-12-19 |
JPS546901A (en) | 1979-01-19 |
FI781941A (fi) | 1978-12-18 |
FR2394639A1 (fr) | 1979-01-12 |
SE7806928L (sv) | 1978-12-18 |
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