CA1043514A - Oxygen bleaching in the presence of a catalyst - Google Patents
Oxygen bleaching in the presence of a catalystInfo
- Publication number
- CA1043514A CA1043514A CA246,970A CA246970A CA1043514A CA 1043514 A CA1043514 A CA 1043514A CA 246970 A CA246970 A CA 246970A CA 1043514 A CA1043514 A CA 1043514A
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- transition metal
- oxygen
- accordance
- slurry
- 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.)
- Expired
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000001301 oxygen Substances 0.000 title claims abstract description 56
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 56
- 238000004061 bleaching Methods 0.000 title claims abstract description 34
- 239000003054 catalyst Substances 0.000 title description 5
- 239000000835 fiber Substances 0.000 claims abstract description 31
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 24
- 150000002500 ions Chemical class 0.000 claims abstract description 17
- 239000002002 slurry Substances 0.000 claims abstract description 13
- 150000003839 salts Chemical class 0.000 claims abstract description 11
- LVIYYTJTOKJJOC-UHFFFAOYSA-N nickel phthalocyanine Chemical compound [Ni+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 LVIYYTJTOKJJOC-UHFFFAOYSA-N 0.000 claims abstract description 9
- MPMSMUBQXQALQI-UHFFFAOYSA-N cobalt phthalocyanine Chemical compound [Co+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 MPMSMUBQXQALQI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 150000003624 transition metals Chemical class 0.000 claims abstract description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 105
- 238000000034 method Methods 0.000 claims description 38
- 230000008569 process Effects 0.000 claims description 37
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical group [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 35
- 239000013055 pulp slurry Substances 0.000 claims description 29
- 238000002156 mixing Methods 0.000 claims description 21
- -1 transition metal salt Chemical class 0.000 claims description 20
- 229910000314 transition metal oxide Inorganic materials 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- 238000010924 continuous production Methods 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 230000001376 precipitating effect Effects 0.000 claims description 5
- 239000011253 protective coating Substances 0.000 claims description 5
- 230000001172 regenerating effect Effects 0.000 claims description 5
- 229910001428 transition metal ion Inorganic materials 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910021645 metal ion Inorganic materials 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- 150000001450 anions Chemical class 0.000 claims description 3
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims 8
- 235000011121 sodium hydroxide Nutrition 0.000 description 32
- 229940083608 sodium hydroxide Drugs 0.000 description 30
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 27
- 229910052748 manganese Inorganic materials 0.000 description 27
- 239000011572 manganese Substances 0.000 description 27
- 235000002908 manganese Nutrition 0.000 description 27
- 239000000243 solution Substances 0.000 description 19
- 239000001913 cellulose Substances 0.000 description 17
- 235000010980 cellulose Nutrition 0.000 description 17
- 229920002678 cellulose Polymers 0.000 description 16
- 239000003513 alkali Substances 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 11
- WAEMQWOKJMHJLA-UHFFFAOYSA-N Manganese(2+) Chemical compound [Mn+2] WAEMQWOKJMHJLA-UHFFFAOYSA-N 0.000 description 10
- 230000004224 protection Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 6
- 238000006731 degradation reaction Methods 0.000 description 6
- 229910052749 magnesium Inorganic materials 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 238000007792 addition Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 239000007844 bleaching agent Substances 0.000 description 5
- 229920005610 lignin Polymers 0.000 description 5
- 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 5
- 230000003647 oxidation Effects 0.000 description 5
- 239000000123 paper Substances 0.000 description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 239000011121 hardwood Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002655 kraft paper Substances 0.000 description 4
- GEYXPJBPASPPLI-UHFFFAOYSA-N manganese(iii) oxide Chemical compound O=[Mn]O[Mn]=O GEYXPJBPASPPLI-UHFFFAOYSA-N 0.000 description 4
- 230000001012 protector Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 239000003518 caustics Substances 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000007832 Na2SO4 Substances 0.000 description 2
- 235000005018 Pinus echinata Nutrition 0.000 description 2
- 241001236219 Pinus echinata Species 0.000 description 2
- 235000017339 Pinus palustris Nutrition 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 150000002681 magnesium compounds Chemical class 0.000 description 2
- 229910001437 manganese ion Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010525 oxidative degradation reaction Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000004076 pulp bleaching Methods 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 241000609240 Ambelania acida Species 0.000 description 1
- BPRJTLAULHNDLP-UHFFFAOYSA-N Chloropanaxydiol Chemical compound CCCCCCCC1OC1CC#CC#CC(O)C(O)CCl BPRJTLAULHNDLP-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000928610 Coula Species 0.000 description 1
- 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 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- VREFGVBLTWBCJP-UHFFFAOYSA-N alprazolam Chemical compound C12=CC(Cl)=CC=C2N2C(C)=NN=C2CN=C1C1=CC=CC=C1 VREFGVBLTWBCJP-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229960000510 ammonia Drugs 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 150000005323 carbonate salts Chemical class 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 229940106135 cellulose Drugs 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002844 continuous effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000254 damaging effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- IPJKJLXEVHOKSE-UHFFFAOYSA-L manganese dihydroxide Chemical compound [OH-].[OH-].[Mn+2] IPJKJLXEVHOKSE-UHFFFAOYSA-L 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 229960001841 potassium permanganate Drugs 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229940001593 sodium carbonate Drugs 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000002023 wood Substances 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
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US59157275A | 1975-06-30 | 1975-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1043514A true CA1043514A (en) | 1978-12-05 |
Family
ID=24366990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA246,970A Expired CA1043514A (en) | 1975-06-30 | 1976-03-02 | Oxygen bleaching in the presence of a catalyst |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS525302A (cs) |
| AU (1) | AU504749B2 (cs) |
| BR (1) | BR7602753A (cs) |
| CA (1) | CA1043514A (cs) |
| FI (1) | FI761496A7 (cs) |
| FR (1) | FR2316376A1 (cs) |
| NO (1) | NO761777L (cs) |
| SE (1) | SE7601935L (cs) |
| ZA (1) | ZA762002B (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998020199A1 (en) * | 1996-11-06 | 1998-05-14 | Macmillan Bloedel Limited | Vanadyl catalyzed oxygen treatment of lignocellulosic materials |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE380298B (sv) * | 1974-03-14 | 1975-11-03 | Mo | Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material |
| JPS5039161B2 (cs) * | 1974-12-23 | 1975-12-15 |
-
1976
- 1976-02-19 SE SE7601935A patent/SE7601935L/ not_active Application Discontinuation
- 1976-03-02 CA CA246,970A patent/CA1043514A/en not_active Expired
- 1976-04-02 ZA ZA762002A patent/ZA762002B/xx unknown
- 1976-04-02 AU AU12617/76A patent/AU504749B2/en not_active Expired
- 1976-05-04 BR BR7602753A patent/BR7602753A/pt unknown
- 1976-05-20 FR FR7615276A patent/FR2316376A1/fr active Pending
- 1976-05-25 NO NO761777A patent/NO761777L/no unknown
- 1976-05-27 FI FI761496A patent/FI761496A7/fi not_active Application Discontinuation
- 1976-05-28 JP JP51062188A patent/JPS525302A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ZA762002B (en) | 1977-04-27 |
| FR2316376A1 (fr) | 1977-01-28 |
| SE7601935L (sv) | 1976-12-31 |
| FI761496A7 (cs) | 1976-12-31 |
| NO761777L (cs) | 1977-01-03 |
| BR7602753A (pt) | 1977-05-10 |
| AU1261776A (en) | 1977-10-06 |
| JPS525302A (en) | 1977-01-17 |
| AU504749B2 (en) | 1979-10-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5296099A (en) | Environmentally improved process for bleaching lignocellulosic materials with oxygen, ozone and chlorine dioxide | |
| US5164043A (en) | Environmentally improved process for bleaching lignocellulosic materials with ozone | |
| AU638017B2 (en) | Environmentally improved process for bleaching lignocellulosic materials | |
| CA1259456A (en) | Enhanced oxidative extraction | |
| US4459174A (en) | Process for the delignification and bleaching of chemical and semi-chemical cellulosic pulps | |
| US5211811A (en) | Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification | |
| CA2111519C (en) | Oxygen/ozone/peracetic acid delignification and bleaching of cellulosic pulps | |
| US5188708A (en) | Process for high consistency oxygen delignification followed by ozone relignification | |
| US5409570A (en) | Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone | |
| CA2363793A1 (en) | Method to improve pulp yield and bleachability of lignocellulosic pulps | |
| FI105213B (fi) | Menetelmä valkaistun massan valmistamiseksi lignoselluloosamateriaalista | |
| US4406735A (en) | Process for alkaline oxygen gas bleaching of cellulose pulp | |
| CA1079457A (en) | Manganic ion bleaching process | |
| US4602982A (en) | Process for delignifying bleaching lignin-containing cellulose pulp by activating the pulp with NO2 and O2 gas in the presence of water, sodium nitrate and nitric acid | |
| Kordsachia et al. | Full bleaching of ASAM pulps without chlorine compounds | |
| US5385641A (en) | Delignification of cellulosic raw materials using acetic acid, nitric acid and ozone | |
| JPH0314687A (ja) | 過酸化水素を補給した酸素脱リグニン化法 | |
| US5985097A (en) | Method for suppressing undesired effects of transition and alkaline metal compounds during bleaching | |
| CA1043514A (en) | Oxygen bleaching in the presence of a catalyst | |
| US5441603A (en) | Method for chelation of pulp prior to ozone delignification | |
| US4537656A (en) | Method for delignifying or bleaching cellulose pulp wherein chlorine is added to recycle liquor to regenerate chlorine dioxide | |
| WO1990011403A1 (en) | Bleaching process for the production of high bright pulps | |
| Patt et al. | The role of ozone in chemical pulp bleaching | |
| CA2205679A1 (en) | Minimization of transition metal ions during chemical pulping | |
| EP0720676A1 (en) | Improved method for bleaching lignocellulosic pulp |