NO800048L - Fremgangsmaate for bleking av cellulosefibre - Google Patents
Fremgangsmaate for bleking av cellulosefibreInfo
- Publication number
- NO800048L NO800048L NO800048A NO800048A NO800048L NO 800048 L NO800048 L NO 800048L NO 800048 A NO800048 A NO 800048A NO 800048 A NO800048 A NO 800048A NO 800048 L NO800048 L NO 800048L
- Authority
- NO
- Norway
- Prior art keywords
- pulp
- line
- washer
- filtrate
- mat
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 24
- 229920003043 Cellulose fiber Polymers 0.000 title claims description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 25
- 238000004061 bleaching Methods 0.000 claims description 18
- 239000000835 fiber Substances 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 13
- 239000007791 liquid phase Substances 0.000 claims description 11
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims 1
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 238000005406 washing Methods 0.000 description 72
- 239000000706 filtrate Substances 0.000 description 66
- 239000007788 liquid Substances 0.000 description 65
- 239000002002 slurry Substances 0.000 description 18
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- 239000000126 substance Substances 0.000 description 15
- 239000013055 pulp slurry Substances 0.000 description 14
- 238000007789 sealing Methods 0.000 description 14
- 238000004140 cleaning Methods 0.000 description 13
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 238000012360 testing method Methods 0.000 description 10
- 150000001298 alcohols Chemical class 0.000 description 8
- 239000013505 freshwater Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 230000002378 acidificating effect Effects 0.000 description 6
- 239000000654 additive Substances 0.000 description 6
- 239000007844 bleaching agent Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000002655 kraft paper Substances 0.000 description 4
- -1 nitro- Chemical class 0.000 description 4
- 239000012286 potassium permanganate Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000013068 control sample Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 229920005610 lignin Polymers 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000010979 pH adjustment Methods 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- TUJKJAMUKRIRHC-UHFFFAOYSA-N hydroxyl Chemical compound [OH] TUJKJAMUKRIRHC-UHFFFAOYSA-N 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 239000004133 Sodium thiosulphate Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 150000003138 primary alcohols Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000012546 transfer Methods 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
- D21C9/1073—Bleaching ; Apparatus therefor with O3
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/002,491 US4229252A (en) | 1979-01-11 | 1979-01-11 | Additives for ozone bleaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO800048L true NO800048L (no) | 1980-07-14 |
Family
ID=21701034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO800048A NO800048L (no) | 1979-01-11 | 1980-01-09 | Fremgangsmaate for bleking av cellulosefibre |
Country Status (9)
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2475084A1 (fr) * | 1979-11-23 | 1981-08-07 | Weyerhaeuser Co | Delignification par l'ozone a faible consistance |
| US4622100A (en) * | 1984-10-01 | 1986-11-11 | International Paper Company | Process for the delignification of lignocellulosic material with oxygen, ferricyanide, and a protector |
| EP0428512B1 (en) * | 1988-12-27 | 1994-11-17 | Eskil Leannant Karlson | Ozone generation by corona discharge at elevated pressures |
| US5409570A (en) * | 1989-02-15 | 1995-04-25 | Union Camp Patent Holding, Inc. | Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone |
| US5188708A (en) * | 1989-02-15 | 1993-02-23 | Union Camp Patent Holding, Inc. | Process for high consistency oxygen delignification followed by ozone relignification |
| US5211811A (en) * | 1989-02-15 | 1993-05-18 | Union Camp Patent Holding, Inc. | Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification |
| US5472572A (en) * | 1990-10-26 | 1995-12-05 | Union Camp Patent Holding, Inc. | Reactor for bleaching high consistency pulp with ozone |
| US5181989A (en) * | 1990-10-26 | 1993-01-26 | Union Camp Patent Holdings, Inc. | Reactor for bleaching high consistency pulp with ozone |
| US6153051A (en) * | 1989-05-05 | 2000-11-28 | International Paper Company | Method of bleaching kraft pulp employing chlorine dioxide/chlorine-ozone bleach sequence |
| US4959124A (en) * | 1989-05-05 | 1990-09-25 | International Paper Company | Method of bleaching kraft pulp in a DZED sequence |
| AU636173B2 (en) * | 1989-10-30 | 1993-04-22 | Lenzing Aktiengesellschaft | Method for the chlorine-free bleaching of pulps |
| US5164044A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
| US5164043A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
| US5441603A (en) * | 1990-05-17 | 1995-08-15 | Union Camp Patent Holding, Inc. | Method for chelation of pulp prior to ozone delignification |
| US5174861A (en) * | 1990-10-26 | 1992-12-29 | Union Camp Patent Holdings, Inc. | Method of bleaching high consistency pulp with ozone |
| US5520783A (en) * | 1990-10-26 | 1996-05-28 | Union Camp Patent Holding, Inc. | Apparatus for bleaching high consistency pulp with ozone |
| CA2068981C (en) * | 1991-05-24 | 1996-08-27 | Michael A. Pikulin | Two stage pulp bleaching reactor |
| SE470234B (sv) * | 1992-05-13 | 1993-12-13 | Kamyr Ab | Sätt vid blekning av cellulosahaltigt fibermaterial med ozon i närvaro av en organisk förening |
| JP3121917B2 (ja) * | 1992-07-08 | 2001-01-09 | 住友重機械工業株式会社 | オゾンによるパルプ漂白方法 |
| DE69316988T2 (de) * | 1992-10-23 | 1998-07-30 | Mac Millan Bloedel Ltd | Verbessertes ozonbleichen |
| FR2708010B1 (fr) * | 1993-07-21 | 1995-09-22 | Degremont | Procédé de blanchiment de pâtes à papier par l'ozone. |
| US5554259A (en) * | 1993-10-01 | 1996-09-10 | Union Camp Patent Holdings, Inc. | Reduction of salt scale precipitation by control of process stream Ph and salt concentration |
| WO1995033884A1 (en) * | 1994-06-02 | 1995-12-14 | Macmillan Bloedel Limited | Ozone bleaching |
| US6315863B1 (en) | 1998-06-18 | 2001-11-13 | Weyerhaeuser Company | Chlorine dioxide pulp bleaching process having reduced barium scaling by recycling post-chlorination waste filtrate |
| SE514947C2 (sv) * | 1998-09-09 | 2001-05-21 | Valmet Fibertech Ab | Blekning av massa med ozon innefattande oxalsyratillsats |
| US6923887B2 (en) * | 2003-02-21 | 2005-08-02 | Alberta Research Council Inc. | Method for hydrogen peroxide bleaching of pulp using an organic solvent in the bleaching medium |
| CN104191483B (zh) * | 2014-08-08 | 2016-05-18 | 浙江工业大学 | 一种用臭氧对竹筷进行加工处理的方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE364323C (sv) * | 1972-06-22 | 1976-04-12 | Billeruds Ab | Sett att behandla cellulosamassa i alkalisk miljo |
| US4004967A (en) * | 1972-06-22 | 1977-01-25 | Billeruds Aktiebolag | Bleaching cellulose pulp with oxygen in the presence of formaldehyde |
| JPS51116207A (en) * | 1975-04-07 | 1976-10-13 | Kogyo Gijutsuin | Improved process for bleaching pulp with ozone |
| JPS6055638B2 (ja) * | 1976-10-16 | 1985-12-05 | 工業技術院長 | オゾンによるパルプ漂白法 |
-
1979
- 1979-01-11 US US06/002,491 patent/US4229252A/en not_active Expired - Lifetime
-
1980
- 1980-01-09 NO NO800048A patent/NO800048L/no unknown
- 1980-01-10 CA CA343,437A patent/CA1131410A/en not_active Expired
- 1980-01-10 NZ NZ192582A patent/NZ192582A/xx unknown
- 1980-01-11 JP JP198280A patent/JPS55112390A/ja active Pending
- 1980-01-11 FI FI800079A patent/FI72357C/fi not_active IP Right Cessation
- 1980-01-11 FR FR8000607A patent/FR2446355A1/fr active Granted
- 1980-01-11 SE SE8000249A patent/SE442027B/sv not_active IP Right Cessation
- 1980-01-11 AU AU54566/80A patent/AU528837B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| SE442027B (sv) | 1985-11-25 |
| JPS55112390A (en) | 1980-08-29 |
| AU5456680A (en) | 1980-09-04 |
| FR2446355A1 (fr) | 1980-08-08 |
| CA1131410A (en) | 1982-09-14 |
| AU528837B2 (en) | 1983-05-12 |
| FI72357C (fi) | 1987-05-11 |
| SE8000249L (sv) | 1980-07-12 |
| FI800079A (fi) | 1980-07-12 |
| FI72357B (fi) | 1987-01-30 |
| FR2446355B1 (US06312121-20011106-C00033.png) | 1983-12-30 |
| US4229252A (en) | 1980-10-21 |
| NZ192582A (en) | 1982-12-07 |
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