FI89814C - Förfarande för blekning av cellulosamassa - Google Patents
Förfarande för blekning av cellulosamassa Download PDFInfo
- Publication number
- FI89814C FI89814C FI900549A FI900549A FI89814C FI 89814 C FI89814 C FI 89814C FI 900549 A FI900549 A FI 900549A FI 900549 A FI900549 A FI 900549A FI 89814 C FI89814 C FI 89814C
- Authority
- FI
- Finland
- Prior art keywords
- pulp
- treatment
- enzyme
- bleaching
- alkali
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000004061 bleaching Methods 0.000 title claims abstract description 31
- 229920002678 cellulose Polymers 0.000 title claims description 6
- 239000001913 cellulose Substances 0.000 title claims description 6
- 238000011282 treatment Methods 0.000 claims abstract description 63
- 108090000790 Enzymes Proteins 0.000 claims abstract description 56
- 102000004190 Enzymes Human genes 0.000 claims abstract description 56
- 239000003513 alkali Substances 0.000 claims abstract description 24
- 239000000126 substance Substances 0.000 claims abstract description 24
- 230000003647 oxidation Effects 0.000 claims abstract description 20
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 20
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims abstract description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000001301 oxygen Substances 0.000 claims abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 14
- 230000001590 oxidative effect Effects 0.000 claims abstract description 10
- 239000004155 Chlorine dioxide Substances 0.000 claims abstract description 8
- 235000019398 chlorine dioxide Nutrition 0.000 claims abstract description 8
- 150000002978 peroxides Chemical class 0.000 claims abstract description 4
- 229940088598 enzyme Drugs 0.000 claims description 49
- 108010002430 hemicellulase Proteins 0.000 claims description 7
- 229940059442 hemicellulase Drugs 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- 108060008724 Tyrosinase Proteins 0.000 claims description 3
- 102000003425 Tyrosinase Human genes 0.000 claims description 3
- 108010059892 Cellulase Proteins 0.000 claims description 2
- 108090000371 Esterases Proteins 0.000 claims description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 2
- 235000011613 Pinus brutia Nutrition 0.000 claims description 2
- 241000018646 Pinus brutia Species 0.000 claims description 2
- 108010059820 Polygalacturonase Proteins 0.000 claims description 2
- 229940106157 cellulase Drugs 0.000 claims description 2
- 108010093305 exopolygalacturonase Proteins 0.000 claims description 2
- 108010062085 ligninase Proteins 0.000 claims description 2
- 239000011122 softwood Substances 0.000 claims description 2
- 101150033839 4 gene Proteins 0.000 claims 1
- 235000012601 Euterpe oleracea Nutrition 0.000 claims 1
- 244000207620 Euterpe oleracea Species 0.000 claims 1
- 235000003650 acai Nutrition 0.000 claims 1
- 239000000460 chlorine Substances 0.000 abstract description 10
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 8
- 231100000331 toxic Toxicity 0.000 abstract description 2
- 230000002588 toxic effect Effects 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 2
- 229920001131 Pulp (paper) Polymers 0.000 abstract 1
- 229910001902 chlorine oxide Inorganic materials 0.000 abstract 1
- 150000002894 organic compounds Chemical class 0.000 abstract 1
- 230000036284 oxygen consumption Effects 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 description 11
- 229910052801 chlorine Inorganic materials 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 229920005610 lignin Polymers 0.000 description 5
- 150000004045 organic chlorine compounds Chemical class 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- 229920002488 Hemicellulose Polymers 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 108010029541 Laccase Proteins 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 235000014347 soups Nutrition 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- VGVRPFIJEJYOFN-UHFFFAOYSA-N 2,3,4,6-tetrachlorophenol Chemical class OC1=C(Cl)C=C(Cl)C(Cl)=C1Cl VGVRPFIJEJYOFN-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 101710121765 Endo-1,4-beta-xylanase Proteins 0.000 description 1
- 101100229939 Mus musculus Gpsm1 gene Proteins 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009896 oxidative bleaching Methods 0.000 description 1
- 231100000683 possible toxicity Toxicity 0.000 description 1
- 238000004076 pulp bleaching Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
-
- 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
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
-
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively
-
- 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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
-
- 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)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Paper (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Hard Magnetic Materials (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Claims (8)
1. Förfarande för blekning av cellulosamassa, bestäende av ätminstone ett oxidationsskede och ätminstone ett aikaiibe- 5 handlingsskede och i vilket förfarande massan behandlas med enzym vid blekningsprocessens tvä eller flera olika skeden, kännetecknat av att vid enzymbehandlingsskedet massan fär väsentligen olik behandling än vid det omedelbart föregäende eller följande processkedet· 10
2. Förfarande enligt krav 1, kännetecknat av att det första skedet vid blekningsprocessen bestär av mas-sans enzymbehandling och att följande skeden omfattar massans oxidation med en oxiderande kemikalie, den andra enzymbehand- 15 lingen, behandlingen med alkali, och den tredje enzymbehand-lingen i nämnda ordning, varefter blekningen av massan ännu fortsätts vid ett eller flera oxidations- och/eller alkali-behandlingsskeden. 20
3. Förfarande enligt krav 1 eller 2, kännetecknat av att som den oxiderande kemikalien används syre vid ett eller flera processkeden.
4. Förfarande enligt nägot av föregäende krav, k ä n n e -25 tecknat av att ätminstone ett enzymbehandlingsskede följs vid processen av behandlingen med alkali, varvid för-utom alkali används en oxiderande kemikalie, som syre eller peroxid. 30 5. Förfarande enligrt krav 2-3, kännetecnat av att det första processkedet bestär av en enzymbehandling och att följande skeden omfattar oxidation med syre, den andra enzymbe- handlingen, behandlingen med alkali, vid vilken förutom al-35 kali används syre eller peroxid, den tredje enzymbehandlin- H 9 f; 1 4 ίο gen, oxidation med syre eller klordioxid, behandling med alkali och oxidation med syre eller klordioxid, varvid dessa skeden följer varandra i nämnda ordning.
5
6. Förfarande enligt nägot av föregäende krav, k ä n n e - tecknat av att som enzym används hemicellulas, cel-lulas, pektinas, esteras, ligninas och/eller fenoloxidas.
7. Förfarande enligt nägot av föregäende krav, k ä n n e -tecknat av att tili processen hör ätminstone tvä sepa- 10 rata enzymbehandlingsskeden, vid vika används ätminstone tvä olika enzymer.
8. Förfarande enligt nägot av föregäende krav, k ä n n e -tecknat av att med förfarandet bleks massan som fäs av 15 barrträ, säsom tallsulfatmassa. I:
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI900549A FI89814C (sv) | 1990-02-02 | 1990-02-02 | Förfarande för blekning av cellulosamassa |
| DE69113444T DE69113444D1 (de) | 1990-02-02 | 1991-02-01 | Verfahren zum bleichen von chemischem papierzellstoff. |
| CA002075187A CA2075187A1 (en) | 1990-02-02 | 1991-02-01 | Process for the bleaching of chemical pulp |
| ES91903684T ES2079062T5 (es) | 1990-02-02 | 1991-02-01 | Procedimiento para el blanqueo de pasta papelera quimica. |
| JP3503752A JPH05509362A (ja) | 1990-02-02 | 1991-02-01 | ケミカルパルプの漂白方法 |
| PCT/FI1991/000033 WO1991011553A1 (en) | 1990-02-02 | 1991-02-01 | A process for the bleaching of chemical pulp |
| EP91903684A EP0513140B2 (en) | 1990-02-02 | 1991-02-01 | A process for the bleaching of chemical pulp |
| AT91903684T ATE128498T1 (de) | 1990-02-02 | 1991-02-01 | Verfahren zum bleichen von chemischem papierzellstoff. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI900549A FI89814C (sv) | 1990-02-02 | 1990-02-02 | Förfarande för blekning av cellulosamassa |
| FI900549 | 1990-02-02 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI900549A0 FI900549A0 (fi) | 1990-02-02 |
| FI900549L FI900549L (fi) | 1991-08-03 |
| FI89814B FI89814B (fi) | 1993-08-13 |
| FI89814C true FI89814C (sv) | 1993-11-25 |
Family
ID=8529828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI900549A FI89814C (sv) | 1990-02-02 | 1990-02-02 | Förfarande för blekning av cellulosamassa |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0513140B2 (sv) |
| JP (1) | JPH05509362A (sv) |
| AT (1) | ATE128498T1 (sv) |
| CA (1) | CA2075187A1 (sv) |
| DE (1) | DE69113444D1 (sv) |
| ES (1) | ES2079062T5 (sv) |
| FI (1) | FI89814C (sv) |
| WO (1) | WO1991011553A1 (sv) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI90670C (sv) * | 1991-05-02 | 1994-03-10 | Metsae Serla Oy | Behandling av alkalibehandlad massa för användning i pappersframställning |
| US7816129B2 (en) | 1994-07-29 | 2010-10-19 | Ab Enzymes Gmbh | Production and secretion of proteins of bacterial origin in filamentous fungi |
| EP0905306A1 (de) | 1997-09-26 | 1999-03-31 | Consortium für elektrochemische Industrie GmbH | Mehrkomponentensystem zum Verändern, Abbau oder Bleichen von Lignin, ligninhaltigen Materialien sowie Verfahren zu seiner Anwendung |
| US6602700B1 (en) | 1998-09-04 | 2003-08-05 | University Of Georgia Research Foundation, Inc. | Phenolic acid esterases, coding sequences and methods |
| WO2000014243A1 (en) | 1998-09-04 | 2000-03-16 | University Of Georgia Research Foundation, Inc. | Phenolic acid esterases, coding sequences and methods |
| FI20030899A7 (sv) | 2000-12-22 | 2003-08-20 | Iogen Bio Products Corp | Alkaliska extraktionfaser som innehåller xylanas |
| CA2435279A1 (en) * | 2001-01-18 | 2002-07-25 | Iogen Bio-Products Corporation | Use of xylanase in pulp bleaching |
| CA2477847A1 (en) * | 2002-03-06 | 2003-09-12 | Iogen Bio-Products Corporation | Xylanase treatment of chemical pulp |
| CN101967490B (zh) | 2002-06-14 | 2014-07-16 | 先正达公司 | 木聚糖酶、编码木聚糖酶的核酸以及制备和应用它们的方法 |
| EP2548954A1 (en) | 2006-02-14 | 2013-01-23 | Verenium Corporation | Xylanases, nucleic acids encoding them and methods for making and using them |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI90888B (sv) * | 1989-02-14 | 1993-12-31 | Enso Gutzeit Oy | Förfarande för blekning av cellulosamassa |
| ZA904441B (en) * | 1989-06-22 | 1991-03-27 | Int Paper Co | Enzymatic delignification of lignocellulosic material |
-
1990
- 1990-02-02 FI FI900549A patent/FI89814C/sv not_active IP Right Cessation
-
1991
- 1991-02-01 ES ES91903684T patent/ES2079062T5/es not_active Expired - Lifetime
- 1991-02-01 AT AT91903684T patent/ATE128498T1/de not_active IP Right Cessation
- 1991-02-01 DE DE69113444T patent/DE69113444D1/de not_active Expired - Lifetime
- 1991-02-01 EP EP91903684A patent/EP0513140B2/en not_active Expired - Lifetime
- 1991-02-01 WO PCT/FI1991/000033 patent/WO1991011553A1/en not_active Ceased
- 1991-02-01 JP JP3503752A patent/JPH05509362A/ja active Pending
- 1991-02-01 CA CA002075187A patent/CA2075187A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| ES2079062T5 (es) | 1998-07-16 |
| FI89814B (fi) | 1993-08-13 |
| DE69113444D1 (de) | 1995-11-02 |
| FI900549L (fi) | 1991-08-03 |
| FI900549A0 (fi) | 1990-02-02 |
| ES2079062T3 (es) | 1996-01-01 |
| EP0513140B2 (en) | 1998-03-18 |
| ATE128498T1 (de) | 1995-10-15 |
| EP0513140B1 (en) | 1995-09-27 |
| JPH05509362A (ja) | 1993-12-22 |
| WO1991011553A1 (en) | 1991-08-08 |
| EP0513140A1 (en) | 1992-11-19 |
| CA2075187A1 (en) | 1991-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Owner name: ENSO-GUTZEIT OY |
|
| BB | Publication of examined application | ||
| FG | Patent granted |
Owner name: ENSO GUTZEIT OY |
|
| MA | Patent expired |