NO852330L - Fremgangsmaate ved peroksydbleking av celluloseholdige masser. - Google Patents
Fremgangsmaate ved peroksydbleking av celluloseholdige masser.Info
- Publication number
- NO852330L NO852330L NO852330A NO852330A NO852330L NO 852330 L NO852330 L NO 852330L NO 852330 A NO852330 A NO 852330A NO 852330 A NO852330 A NO 852330A NO 852330 L NO852330 L NO 852330L
- Authority
- NO
- Norway
- Prior art keywords
- peroxide
- bleaching
- cellulose
- blacking
- procedures
- Prior art date
Links
- 150000002978 peroxides Chemical class 0.000 title claims description 11
- 238000000034 method Methods 0.000 title claims description 7
- 238000004061 bleaching Methods 0.000 claims description 19
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 9
- 239000000395 magnesium oxide Substances 0.000 claims description 8
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 7
- 239000008139 complexing agent Substances 0.000 claims description 2
- 239000002243 precursor Substances 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 239000000126 substance Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- SPAGIJMPHSUYSE-UHFFFAOYSA-N Magnesium peroxide Chemical compound [Mg+2].[O-][O-] SPAGIJMPHSUYSE-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012978 lignocellulosic material Substances 0.000 description 1
- 229960004995 magnesium peroxide Drugs 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- JESHZQPNPCJVNG-UHFFFAOYSA-L magnesium;sulfite Chemical compound [Mg+2].[O-]S([O-])=O JESHZQPNPCJVNG-UHFFFAOYSA-L 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229960003330 pentetic acid Drugs 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- RPACBEVZENYWOL-XFULWGLBSA-M sodium;(2r)-2-[6-(4-chlorophenoxy)hexyl]oxirane-2-carboxylate Chemical compound [Na+].C=1C=C(Cl)C=CC=1OCCCCCC[C@]1(C(=O)[O-])CO1 RPACBEVZENYWOL-XFULWGLBSA-M 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Classifications
-
- 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO852330A NO852330L (no) | 1985-06-10 | 1985-06-10 | Fremgangsmaate ved peroksydbleking av celluloseholdige masser. |
SE8602065A SE8602065L (sv) | 1985-06-10 | 1986-05-06 | Forfarande vid peroxidblekning av cellulosahaltig massa |
DE19863617942 DE3617942A1 (de) | 1985-06-10 | 1986-05-28 | Verfahren zur peroxidbleichung von hochertragreichen lignocellulosepulpen |
FI862437A FI862437A (fi) | 1985-06-10 | 1986-06-06 | Foerfarande vid peroxidblekning av cellulosahaltiga massor. |
FR8608272A FR2583078A1 (fr) | 1985-06-10 | 1986-06-09 | Procede de blanchiment au peroxyde de pates contenant de la cellulose |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO852330A NO852330L (no) | 1985-06-10 | 1985-06-10 | Fremgangsmaate ved peroksydbleking av celluloseholdige masser. |
Publications (1)
Publication Number | Publication Date |
---|---|
NO852330L true NO852330L (no) | 1986-12-11 |
Family
ID=19888331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO852330A NO852330L (no) | 1985-06-10 | 1985-06-10 | Fremgangsmaate ved peroksydbleking av celluloseholdige masser. |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE3617942A1 (sv) |
FI (1) | FI862437A (sv) |
FR (1) | FR2583078A1 (sv) |
NO (1) | NO852330L (sv) |
SE (1) | SE8602065L (sv) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4400954B4 (de) * | 1994-01-14 | 2007-03-01 | Stefan Kürzeder | Verfahren zur Helligkeitssteigerung bei der Bleiche von Holzstoffen mit Wasserstoffperoxid |
AUPN352095A0 (en) * | 1995-06-13 | 1995-07-06 | Ici Australia Operations Proprietary Limited | Peroxide bleaching of pulp |
AU2001256024A1 (en) * | 2000-05-04 | 2001-11-12 | University Of New Brunswick | Peroxide bleaching of wood pulp |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5545806A (en) * | 1978-09-21 | 1980-03-31 | Oji Paper Co | Peroxide bleaching method of wood pulp |
JPS5922832B2 (ja) * | 1978-12-09 | 1984-05-29 | 王子製紙株式会社 | 過酸化物漂白パルプの製造方法 |
DE3428352A1 (de) * | 1984-08-01 | 1986-02-13 | Degussa Ag, 6000 Frankfurt | Verfahren zur delignifizierung und bleiche von zellstoffen |
-
1985
- 1985-06-10 NO NO852330A patent/NO852330L/no unknown
-
1986
- 1986-05-06 SE SE8602065A patent/SE8602065L/sv not_active Application Discontinuation
- 1986-05-28 DE DE19863617942 patent/DE3617942A1/de not_active Ceased
- 1986-06-06 FI FI862437A patent/FI862437A/fi not_active Application Discontinuation
- 1986-06-09 FR FR8608272A patent/FR2583078A1/fr active Pending
Also Published As
Publication number | Publication date |
---|---|
FI862437A (fi) | 1986-12-11 |
SE8602065L (sv) | 1986-12-11 |
FI862437A0 (fi) | 1986-06-06 |
FR2583078A1 (fr) | 1986-12-12 |
SE8602065D0 (sv) | 1986-05-06 |
DE3617942A1 (de) | 1986-12-11 |
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