SE515708C2 - Blekning av förblekt mekanisk massa med oxiderande blekmedel förstärkt med borhydrid - Google Patents
Blekning av förblekt mekanisk massa med oxiderande blekmedel förstärkt med borhydridInfo
- Publication number
- SE515708C2 SE515708C2 SE0000431A SE0000431A SE515708C2 SE 515708 C2 SE515708 C2 SE 515708C2 SE 0000431 A SE0000431 A SE 0000431A SE 0000431 A SE0000431 A SE 0000431A SE 515708 C2 SE515708 C2 SE 515708C2
- Authority
- SE
- Sweden
- Prior art keywords
- pulp
- bleaching
- borohydride
- peroxide
- bleach
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 title claims abstract description 69
- 239000007844 bleaching agent Substances 0.000 title claims abstract description 63
- 229920001131 Pulp (paper) Polymers 0.000 title description 7
- 230000001590 oxidative effect Effects 0.000 title description 2
- 239000000725 suspension Substances 0.000 claims abstract description 42
- 150000002978 peroxides Chemical class 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 25
- 238000009895 reductive bleaching Methods 0.000 claims abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000009896 oxidative bleaching Methods 0.000 claims abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 4
- 239000001301 oxygen Substances 0.000 claims abstract description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 40
- 239000012279 sodium borohydride Substances 0.000 claims description 17
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 17
- 239000000126 substance Substances 0.000 claims description 15
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 12
- 239000003513 alkali Substances 0.000 claims description 10
- XQIMLPCOVYNASM-UHFFFAOYSA-N borole Chemical compound B1C=CC=C1 XQIMLPCOVYNASM-UHFFFAOYSA-N 0.000 claims description 8
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical group [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 8
- 235000019353 potassium silicate Nutrition 0.000 claims description 7
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 6
- 239000004115 Sodium Silicate Substances 0.000 claims description 5
- 150000002681 magnesium compounds Chemical class 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 39
- 238000002474 experimental method Methods 0.000 description 18
- 239000007864 aqueous solution Substances 0.000 description 11
- 239000004033 plastic Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 238000009897 hydrogen peroxide bleaching Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 102100031260 Acyl-coenzyme A thioesterase THEM4 Human genes 0.000 description 3
- 101000638510 Homo sapiens Acyl-coenzyme A thioesterase THEM4 Proteins 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical compound B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 description 3
- 229910010277 boron hydride Inorganic materials 0.000 description 3
- 239000008139 complexing agent Substances 0.000 description 3
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 3
- 229910052723 transition metal Inorganic materials 0.000 description 3
- 150000003624 transition metals Chemical class 0.000 description 3
- 241000238557 Decapoda Species 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 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
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 2
- 241000218657 Picea Species 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 229910001437 manganese ion Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229960003330 pentetic acid Drugs 0.000 description 2
- 239000004460 silage Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- PNKUSGQVOMIXLU-UHFFFAOYSA-N Formamidine Chemical compound NC=N PNKUSGQVOMIXLU-UHFFFAOYSA-N 0.000 description 1
- 102000004877 Insulin Human genes 0.000 description 1
- 108090001061 Insulin Proteins 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910004878 Na2S2O4 Inorganic materials 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229940125396 insulin Drugs 0.000 description 1
- -1 iron ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- XONPDZSGENTBNJ-UHFFFAOYSA-N molecular hydrogen;sodium Chemical class [Na].[H][H] XONPDZSGENTBNJ-UHFFFAOYSA-N 0.000 description 1
- FHHJDRFHHWUPDG-UHFFFAOYSA-N peroxysulfuric acid Chemical compound OOS(O)(=O)=O FHHJDRFHHWUPDG-UHFFFAOYSA-N 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 235000019795 sodium metasilicate Nutrition 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 159000000000 sodium salts Chemical class 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)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0000431A SE515708C2 (sv) | 2000-02-11 | 2000-02-11 | Blekning av förblekt mekanisk massa med oxiderande blekmedel förstärkt med borhydrid |
| DE60124081T DE60124081T2 (de) | 2000-02-11 | 2001-02-08 | Verfahren zum bleichen von holzstoff und chemothermomechanischer pulpe |
| PCT/SE2001/000260 WO2001059205A1 (en) | 2000-02-11 | 2001-02-08 | Method for bleaching mechanical and chemithermomechanical pulp |
| AT01906451T ATE343674T1 (de) | 2000-02-11 | 2001-02-08 | Verfahren zum bleichen von holzstoff und chemothermomechanischer pulpe |
| EP01906451A EP1266074B1 (en) | 2000-02-11 | 2001-02-08 | Method for bleaching mechanical and chemithermomechanical pulp |
| CA002395824A CA2395824A1 (en) | 2000-02-11 | 2001-02-08 | Method for bleaching mechanical and chemithermomechanical pulp |
| JP2001558530A JP2003522846A (ja) | 2000-02-11 | 2001-02-08 | メカニカルおよびケミサーモメカニカルパルプの漂白方法 |
| ES01906451T ES2269348T3 (es) | 2000-02-11 | 2001-02-08 | Metodo para blanquear pasta mecanica o quimiotermomecanica. |
| US10/203,202 US20030121625A1 (en) | 2000-02-11 | 2001-02-08 | Method for bleaching mechanical and chemithermomechanical pulp g |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0000431A SE515708C2 (sv) | 2000-02-11 | 2000-02-11 | Blekning av förblekt mekanisk massa med oxiderande blekmedel förstärkt med borhydrid |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE0000431D0 SE0000431D0 (sv) | 2000-02-11 |
| SE0000431L SE0000431L (sv) | 2001-08-12 |
| SE515708C2 true SE515708C2 (sv) | 2001-10-01 |
Family
ID=20278409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE0000431A SE515708C2 (sv) | 2000-02-11 | 2000-02-11 | Blekning av förblekt mekanisk massa med oxiderande blekmedel förstärkt med borhydrid |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20030121625A1 (ja) |
| EP (1) | EP1266074B1 (ja) |
| JP (1) | JP2003522846A (ja) |
| AT (1) | ATE343674T1 (ja) |
| CA (1) | CA2395824A1 (ja) |
| DE (1) | DE60124081T2 (ja) |
| ES (1) | ES2269348T3 (ja) |
| SE (1) | SE515708C2 (ja) |
| WO (1) | WO2001059205A1 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI121311B (fi) * | 2005-05-03 | 2010-09-30 | M Real Oyj | Menetelmä paperin- ja kartonginvalmistukseen soveltuvan mekaanisen massan valmistamiseksi |
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3100732A (en) * | 1959-10-05 | 1963-08-13 | Du Pont | Process of bleaching wood pulp by combined treatment with peroxide and an alkali metal borohydride |
| CA1249402A (en) * | 1984-12-21 | 1989-01-31 | Pulp And Paper Research Institute Of Canada | Multistage brightening of high yield and ultra high- yield wood pulps |
| JPH0197291A (ja) * | 1987-10-05 | 1989-04-14 | Fmc Corp | 機械パルプの漂白方法 |
-
2000
- 2000-02-11 SE SE0000431A patent/SE515708C2/sv not_active IP Right Cessation
-
2001
- 2001-02-08 AT AT01906451T patent/ATE343674T1/de not_active IP Right Cessation
- 2001-02-08 CA CA002395824A patent/CA2395824A1/en not_active Abandoned
- 2001-02-08 EP EP01906451A patent/EP1266074B1/en not_active Expired - Lifetime
- 2001-02-08 ES ES01906451T patent/ES2269348T3/es not_active Expired - Lifetime
- 2001-02-08 US US10/203,202 patent/US20030121625A1/en not_active Abandoned
- 2001-02-08 JP JP2001558530A patent/JP2003522846A/ja active Pending
- 2001-02-08 DE DE60124081T patent/DE60124081T2/de not_active Expired - Fee Related
- 2001-02-08 WO PCT/SE2001/000260 patent/WO2001059205A1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| EP1266074B1 (en) | 2006-10-25 |
| ES2269348T3 (es) | 2007-04-01 |
| JP2003522846A (ja) | 2003-07-29 |
| ATE343674T1 (de) | 2006-11-15 |
| CA2395824A1 (en) | 2001-08-16 |
| SE0000431D0 (sv) | 2000-02-11 |
| DE60124081T2 (de) | 2007-06-06 |
| WO2001059205A1 (en) | 2001-08-16 |
| US20030121625A1 (en) | 2003-07-03 |
| EP1266074A1 (en) | 2002-12-18 |
| DE60124081D1 (de) | 2006-12-07 |
| SE0000431L (sv) | 2001-08-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |