CA2395824A1 - Method for bleaching mechanical and chemithermomechanical pulp - Google Patents
Method for bleaching mechanical and chemithermomechanical pulp Download PDFInfo
- Publication number
- CA2395824A1 CA2395824A1 CA002395824A CA2395824A CA2395824A1 CA 2395824 A1 CA2395824 A1 CA 2395824A1 CA 002395824 A CA002395824 A CA 002395824A CA 2395824 A CA2395824 A CA 2395824A CA 2395824 A1 CA2395824 A1 CA 2395824A1
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- bleaching
- borohydride
- peroxide
- bleaching agent
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
Links
- 238000004061 bleaching Methods 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000007844 bleaching agent Substances 0.000 claims abstract description 59
- 239000000725 suspension Substances 0.000 claims abstract description 43
- 150000002978 peroxides Chemical class 0.000 claims abstract description 40
- 238000009895 reductive bleaching Methods 0.000 claims abstract description 9
- 238000009896 oxidative bleaching Methods 0.000 claims abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000001301 oxygen Substances 0.000 claims abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 42
- 239000012279 sodium borohydride Substances 0.000 claims description 16
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 16
- 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 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- 239000000243 solution Substances 0.000 description 17
- 229920001131 Pulp (paper) Polymers 0.000 description 16
- 239000004033 plastic Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 11
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 9
- 238000003860 storage Methods 0.000 description 7
- 239000002023 wood Substances 0.000 description 6
- 241001237961 Amanita rubescens Species 0.000 description 5
- 230000003247 decreasing effect Effects 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
- 238000009897 hydrogen peroxide bleaching Methods 0.000 description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000005282 brightening Methods 0.000 description 3
- 239000008139 complexing agent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 239000001117 sulphuric acid Substances 0.000 description 3
- 235000011149 sulphuric acid Nutrition 0.000 description 3
- 229910052723 transition metal Inorganic materials 0.000 description 3
- 150000003624 transition metals Chemical class 0.000 description 3
- 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
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 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
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 229960001484 edetic acid Drugs 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- -1 iron ions Chemical class 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
- 229960003330 pentetic acid Drugs 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 235000010265 sodium sulphite Nutrition 0.000 description 2
- LJGHYPLBDBRCRZ-UHFFFAOYSA-N 3-(3-aminophenyl)sulfonylaniline Chemical compound NC1=CC=CC(S(=O)(=O)C=2C=C(N)C=CC=2)=C1 LJGHYPLBDBRCRZ-UHFFFAOYSA-N 0.000 description 1
- 241000609240 Ambelania acida Species 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000350052 Daniellia ogea Species 0.000 description 1
- 240000000797 Hibiscus cannabinus Species 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910001437 manganese ion 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
- 238000004076 pulp bleaching Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- FYOWZTWVYZOZSI-UHFFFAOYSA-N thiourea dioxide Chemical compound NC(=N)S(O)=O FYOWZTWVYZOZSI-UHFFFAOYSA-N 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)
Applications Claiming Priority (3)
| 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 |
| SE0000431-7 | 2000-02-11 | ||
| PCT/SE2001/000260 WO2001059205A1 (en) | 2000-02-11 | 2001-02-08 | Method for bleaching mechanical and chemithermomechanical pulp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2395824A1 true CA2395824A1 (en) | 2001-08-16 |
Family
ID=20278409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002395824A Abandoned CA2395824A1 (en) | 2000-02-11 | 2001-02-08 | Method for bleaching mechanical and chemithermomechanical pulp |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20030121625A1 (de) |
| EP (1) | EP1266074B1 (de) |
| JP (1) | JP2003522846A (de) |
| AT (1) | ATE343674T1 (de) |
| CA (1) | CA2395824A1 (de) |
| DE (1) | DE60124081T2 (de) |
| ES (1) | ES2269348T3 (de) |
| SE (1) | SE515708C2 (de) |
| WO (1) | WO2001059205A1 (de) |
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 |
| 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 |
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 JP JP2001558530A patent/JP2003522846A/ja active Pending
- 2001-02-08 CA CA002395824A patent/CA2395824A1/en not_active Abandoned
- 2001-02-08 US US10/203,202 patent/US20030121625A1/en not_active Abandoned
- 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
- 2001-02-08 ES ES01906451T patent/ES2269348T3/es not_active Expired - Lifetime
- 2001-02-08 EP EP01906451A patent/EP1266074B1/de not_active Expired - Lifetime
- 2001-02-08 AT AT01906451T patent/ATE343674T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1266074A1 (de) | 2002-12-18 |
| SE0000431D0 (sv) | 2000-02-11 |
| ATE343674T1 (de) | 2006-11-15 |
| EP1266074B1 (de) | 2006-10-25 |
| WO2001059205A1 (en) | 2001-08-16 |
| SE0000431L (sv) | 2001-08-12 |
| US20030121625A1 (en) | 2003-07-03 |
| ES2269348T3 (es) | 2007-04-01 |
| SE515708C2 (sv) | 2001-10-01 |
| JP2003522846A (ja) | 2003-07-29 |
| DE60124081D1 (de) | 2006-12-07 |
| DE60124081T2 (de) | 2007-06-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |