LT3393B - Process for bleaching of cellulose excluding the use of chlorine - Google Patents
Process for bleaching of cellulose excluding the use of chlorine Download PDFInfo
- Publication number
- LT3393B LT3393B LTIP754A LTIP754A LT3393B LT 3393 B LT3393 B LT 3393B LT IP754 A LTIP754 A LT IP754A LT IP754 A LTIP754 A LT IP754A LT 3393 B LT3393 B LT 3393B
- Authority
- LT
- Lithuania
- Prior art keywords
- bleaching
- cellulose
- ozone
- suspension
- pulp
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 title claims description 85
- 229920002678 cellulose Polymers 0.000 title claims description 82
- 239000001913 cellulose Substances 0.000 title claims description 82
- 238000000034 method Methods 0.000 title claims description 37
- 230000008569 process Effects 0.000 title claims description 25
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title claims description 7
- 239000000460 chlorine Substances 0.000 title claims description 7
- 229910052801 chlorine Inorganic materials 0.000 title claims description 7
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 51
- 239000000725 suspension Substances 0.000 claims description 26
- 239000007789 gas Substances 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 229910052760 oxygen Inorganic materials 0.000 claims description 20
- 239000001301 oxygen Substances 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 19
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 12
- 239000000706 filtrate Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 claims description 2
- FMMSEFNIWDFLKK-UHFFFAOYSA-N [O].OO Chemical compound [O].OO FMMSEFNIWDFLKK-UHFFFAOYSA-N 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 238000012360 testing method Methods 0.000 description 9
- 239000000123 paper Substances 0.000 description 6
- 230000035484 reaction time Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 239000011122 softwood Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000013019 agitation Methods 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007373 indentation Methods 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 239000011121 hardwood Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000003085 diluting agent Substances 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
- 239000000839 emulsion Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 oxygen peroxide Chemical class 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000007793 ph indicator Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004076 pulp bleaching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000005406 washing Methods 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
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 |
|---|---|---|---|
| AT0249489A AT404740B (de) | 1989-10-30 | 1989-10-30 | Verfahren zum chlorfreien bleichen von zellstoffen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| LTIP754A LTIP754A (en) | 1995-01-31 |
| LT3393B true LT3393B (en) | 1995-08-25 |
Family
ID=3535300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LTIP754A LT3393B (en) | 1989-10-30 | 1993-07-02 | Process for bleaching of cellulose excluding the use of chlorine |
Country Status (7)
| Country | Link |
|---|---|
| KR (1) | KR100194405B1 (cs) |
| AT (1) | AT404740B (cs) |
| CZ (1) | CZ283692B6 (cs) |
| LT (1) | LT3393B (cs) |
| PL (1) | PL164587B1 (cs) |
| RU (1) | RU2044809C1 (cs) |
| ZA (1) | ZA908684B (cs) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA955290B (en) * | 1994-07-11 | 1996-12-27 | Ingersoll Rand Co | Peroxide bleaching process for cellulosic and lignocellulosic material |
| DE10158449C1 (de) * | 2001-11-30 | 2003-12-24 | Wedeco Umwelttechnologie Gmbh | Verfahren und Vorrichtung zum Verdichten von ozonhaltigem Gas für eine Ozon-Zellstoffbleiche |
| RU2290469C1 (ru) * | 2005-06-24 | 2006-12-27 | Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" (ОАО "ЦНИИБ") | Способ многоступенчатой отбелки сульфитной целлюлозы |
| US8753477B2 (en) * | 2010-03-23 | 2014-06-17 | International Paper Company | BCTMP filtrate recycling system and method |
| AU2014213691B2 (en) * | 2013-02-08 | 2017-03-16 | Gp Cellulose Gmbh | Softwood kraft fiber having an improved a-cellulose content and its use in the production of chemical cellulose products |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE406430C (de) | 1923-02-10 | 1924-11-21 | Manfred Gottfried Semper Dr In | Raffinierverfahren fuer Edelmetalle und deren Legierungen |
| US3635834A (en) | 1969-12-22 | 1972-01-18 | Squibb & Sons Inc | Process for preparing semisolid emulsions |
| US3775359A (en) | 1967-08-04 | 1973-11-27 | Diamond Shamrock Corp | Rigid polyvinyl chloride resin powder composition for extrusion processes |
| US4080249A (en) | 1976-06-02 | 1978-03-21 | International Paper Company | Delignification and bleaching of a lignocellulosic pulp slurry with ozone |
| US4216054A (en) | 1977-09-26 | 1980-08-05 | Weyerhaeuser Company | Low-consistency ozone delignification |
| US4372812A (en) | 1978-04-07 | 1983-02-08 | International Paper Company | Chlorine free process for bleaching lignocellulosic pulp |
| JPS6399389A (ja) | 1986-10-13 | 1988-04-30 | 王子製紙株式会社 | セルロ−スパルプの酸素による脱リグニン、漂白方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4119486A (en) * | 1975-08-14 | 1978-10-10 | Westvaco Corporation | Process for bleaching wood pulp with ozone in the presence of a cationic surfactant |
| US4283251A (en) * | 1980-01-24 | 1981-08-11 | Scott Paper Company | Ozone effluent bleaching |
| DE3118384C1 (de) * | 1981-05-09 | 1982-11-11 | Mannesmann AG, 4000 Düsseldorf | Verfahren zum Bleichen von chemisch hergestelltem Zellstoff mit Ozon |
| US4619733A (en) * | 1983-11-30 | 1986-10-28 | Kooi Boon Lam | Pollution free pulping process using recycled wash effluent from multiple bleach stages to remove black liquor and recovering sodium hydroxide from the black liquor |
| AT380496B (de) * | 1984-06-27 | 1986-05-26 | Steyrermuehl Papier | Verfahren und reaktor zur delignifizierung von zellstoff mit sauerstoff |
| AT384837B (de) * | 1985-06-27 | 1988-01-11 | Steyrermuehl Papier | Verfahren und anordnung zur delignifizierung von zellstoff mit sauerstoff |
-
1989
- 1989-10-30 AT AT0249489A patent/AT404740B/de not_active IP Right Cessation
-
1990
- 1990-09-25 CZ CS904662A patent/CZ283692B6/cs not_active IP Right Cessation
- 1990-10-17 KR KR1019900016532A patent/KR100194405B1/ko not_active Expired - Fee Related
- 1990-10-29 RU SU904831464A patent/RU2044809C1/ru active
- 1990-10-29 PL PL90287560A patent/PL164587B1/pl unknown
- 1990-10-30 ZA ZA908684A patent/ZA908684B/xx unknown
-
1993
- 1993-07-02 LT LTIP754A patent/LT3393B/lt not_active IP Right Cessation
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE406430C (de) | 1923-02-10 | 1924-11-21 | Manfred Gottfried Semper Dr In | Raffinierverfahren fuer Edelmetalle und deren Legierungen |
| US3775359A (en) | 1967-08-04 | 1973-11-27 | Diamond Shamrock Corp | Rigid polyvinyl chloride resin powder composition for extrusion processes |
| US3635834A (en) | 1969-12-22 | 1972-01-18 | Squibb & Sons Inc | Process for preparing semisolid emulsions |
| US4080249A (en) | 1976-06-02 | 1978-03-21 | International Paper Company | Delignification and bleaching of a lignocellulosic pulp slurry with ozone |
| US4216054A (en) | 1977-09-26 | 1980-08-05 | Weyerhaeuser Company | Low-consistency ozone delignification |
| US4372812A (en) | 1978-04-07 | 1983-02-08 | International Paper Company | Chlorine free process for bleaching lignocellulosic pulp |
| JPS6399389A (ja) | 1986-10-13 | 1988-04-30 | 王子製紙株式会社 | セルロ−スパルプの酸素による脱リグニン、漂白方法 |
Non-Patent Citations (3)
| Title |
|---|
| LINDHOLM C.-A.: "Effect of pulp consistency and pH in Ozonbleaching Part 2" |
| LINDHOLM C.-A.: "Effect of pulp consistency and pH in Ozonbleaching Part 3" |
| LINDHOLM C.-A.: "Effect of pulp consistency and pH in Ozonbleaching Part 4" |
Also Published As
| Publication number | Publication date |
|---|---|
| KR910008225A (ko) | 1991-05-30 |
| LTIP754A (en) | 1995-01-31 |
| ATA249489A (de) | 1992-01-15 |
| PL164587B1 (pl) | 1994-08-31 |
| RU2044809C1 (ru) | 1995-09-27 |
| KR100194405B1 (ko) | 1999-06-15 |
| CZ283692B6 (cs) | 1998-06-17 |
| AT404740B (de) | 1999-02-25 |
| ZA908684B (en) | 1991-08-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI102194B (fi) | Menetelmä massan valkaisemiseksi ilman klooria | |
| CA2012771C (en) | Method of bleaching cellulose pulp with ozone | |
| US5074960A (en) | Lignin removal method using ozone and acetic acid | |
| EP2122048A2 (en) | A process in a (d) stage bleaching of softwood pulps in a presence of mg(oh)2 | |
| SK278326B6 (en) | Chlorineless bleaching method of viscose cellulose | |
| WO1996034142A1 (en) | Ambient temperature pulp bleaching with peroxyacid salts | |
| JPH02175987A (ja) | パルプをオゾン―塩素混合物で漂白する方法 | |
| LT3393B (en) | Process for bleaching of cellulose excluding the use of chlorine | |
| WO2008076268A2 (en) | A process in a (d) stage bleaching of hardwood pulps in a presence of mg(oh)2 | |
| Brolin et al. | On the selectivity of ozone delignification of softwood kraft pulps | |
| US7163564B2 (en) | Method for brightening virgin mechanical pulp | |
| JP2934512B2 (ja) | セルロース質繊維材料のパルプの漂白方法 | |
| US6773547B2 (en) | Process for the bleaching of low consistency pulp using high partial pressure ozone | |
| US6579412B2 (en) | Process for ozone bleaching of low consistency pulp | |
| WO2001075220A1 (en) | A method for controlling the delignification and bleaching of a pulp suspension | |
| EP1272706A1 (en) | A process for bleaching a lignocellulosic pulp | |
| WO2000047813A1 (en) | Oxygen delignification of pulp in the presence of carbonates as alkali | |
| JP2003278088A (ja) | Ｅｃｆ漂白パルプの製造方法 | |
| CA2062325A1 (en) | Process for the bleaching of cellulose in aliphatic monocarbonic acids | |
| JP2007162148A (ja) | 製紙原料の漂白方法 | |
| CA2384547A1 (en) | Ozone bleaching of low consistency pulp using high partial pressure ozone | |
| JPH1025686A (ja) | 製紙用パルプの漂白方法 | |
| JPH0819631B2 (ja) | リグノセルロース物質の漂白方法 | |
| SK281290B6 (sk) | Spôsob bielenia buničiny bez použitia chlóru |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM9A | Lapsed patents |
Effective date: 20010702 |