ES2061857T3 - Procedimiento para el blanqueo de pasta papelera. - Google Patents
Procedimiento para el blanqueo de pasta papelera.Info
- Publication number
- ES2061857T3 ES2061857T3 ES89117234T ES89117234T ES2061857T3 ES 2061857 T3 ES2061857 T3 ES 2061857T3 ES 89117234 T ES89117234 T ES 89117234T ES 89117234 T ES89117234 T ES 89117234T ES 2061857 T3 ES2061857 T3 ES 2061857T3
- Authority
- ES
- Spain
- Prior art keywords
- procedure
- bleaching
- chlorine
- oxidating
- pulp
- 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 - Lifetime
Links
- 238000004061 bleaching Methods 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 4
- 235000015927 pasta Nutrition 0.000 title 1
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 abstract 4
- 239000000126 substance Substances 0.000 abstract 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 2
- 239000004155 Chlorine dioxide Substances 0.000 abstract 2
- 108090000790 Enzymes Proteins 0.000 abstract 2
- 102000004190 Enzymes Human genes 0.000 abstract 2
- 239000000460 chlorine Substances 0.000 abstract 2
- 229910052801 chlorine Inorganic materials 0.000 abstract 2
- 235000019398 chlorine dioxide Nutrition 0.000 abstract 2
- 229940088598 enzyme Drugs 0.000 abstract 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 abstract 1
- 102100026189 Beta-galactosidase Human genes 0.000 abstract 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 abstract 1
- 241000233866 Fungi Species 0.000 abstract 1
- 108010059881 Lactase Proteins 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 108010005774 beta-Galactosidase Proteins 0.000 abstract 1
- 239000007844 bleaching agent Substances 0.000 abstract 1
- 229940116108 lactase Drugs 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 230000033116 oxidation-reduction process Effects 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 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
- D21C9/1057—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
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Noodles (AREA)
- Hard Magnetic Materials (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Cereal-Derived Products (AREA)
- Table Devices Or Equipment (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI893338A FI88316C (fi) | 1989-07-10 | 1989-07-10 | Foerfarande foer blekning av cellulosamassa |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2061857T3 true ES2061857T3 (es) | 1994-12-16 |
Family
ID=8528744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES89117234T Expired - Lifetime ES2061857T3 (es) | 1989-07-10 | 1989-09-18 | Procedimiento para el blanqueo de pasta papelera. |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0408803B1 (ja) |
JP (1) | JP2831048B2 (ja) |
AT (1) | ATE100157T1 (ja) |
CA (1) | CA1335184C (ja) |
DE (1) | DE68912322D1 (ja) |
ES (1) | ES2061857T3 (ja) |
FI (1) | FI88316C (ja) |
NO (1) | NO175105C (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI108800B (fi) * | 1991-05-07 | 2002-03-28 | Iogen Corp | Menetelmä ja laitteisto entsyymin käyttämiseksi paperimassan valmistuksessa ja valkaisussa |
US5498534A (en) * | 1992-03-25 | 1996-03-12 | The United States Of America As Represented By The Secretary Of Agriculture | Method of removing color from wood pulp using xylanase from streptomyces roseiscleroticus NRRL B-11019 |
US5369024A (en) * | 1992-03-25 | 1994-11-29 | The United States Of America As Represented By The Secretary Of Agriculture | Xylanase from streptomyces roseiscleroticus NRRL-11019 for removing color from kraft wood pulps |
CA2115881C (en) * | 1993-02-25 | 2000-05-23 | Michael G. Paice | Non-chlorine bleaching of kraft pulp |
US5480801A (en) * | 1993-09-17 | 1996-01-02 | Novo Nordisk A/S | Purified PH neutral Rhizoctonia laccases and nucleic acids encoding same |
US6824646B2 (en) | 1999-03-23 | 2004-11-30 | Oji Paper Co., Ltd. | Process for oxygen bleaching and enzyme treating lignocellulosic pulp with liquid treatment and recovery |
US6942754B2 (en) | 1999-03-23 | 2005-09-13 | Oji Paper Co., Ltd. | Process for producing xylooligosaccharide from lignocellulose pulp |
FI113879B (fi) | 2000-05-23 | 2004-06-30 | Valtion Teknillinen | Uusi lakkaasientsyymi |
ES2221529B1 (es) * | 2002-07-10 | 2005-11-01 | Instituto Nacional De Investigacion Y Tecnologia Agraria Y Alimentaria (Inia) | Procedimiento para la deslignificacion de pastas de celulosa. |
CN109537343A (zh) * | 2018-11-29 | 2019-03-29 | 崔雪柯 | 一种纸浆气水分离工艺 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3636208A1 (de) * | 1986-10-24 | 1988-05-05 | Call Hans Peter | Verfahren zur delignifizierung und bleichung von lignicellulosehaltigem bzw. ligninhaltigem material bzw. lignin durch enzymatische behandlung |
-
1989
- 1989-07-10 FI FI893338A patent/FI88316C/fi active IP Right Grant
- 1989-09-18 DE DE89117234T patent/DE68912322D1/de not_active Expired - Lifetime
- 1989-09-18 NO NO893715A patent/NO175105C/no not_active IP Right Cessation
- 1989-09-18 ES ES89117234T patent/ES2061857T3/es not_active Expired - Lifetime
- 1989-09-18 AT AT89117234T patent/ATE100157T1/de not_active IP Right Cessation
- 1989-09-18 EP EP89117234A patent/EP0408803B1/en not_active Expired - Lifetime
- 1989-09-18 JP JP1241665A patent/JP2831048B2/ja not_active Expired - Lifetime
- 1989-09-18 CA CA000611772A patent/CA1335184C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FI893338A0 (fi) | 1989-07-10 |
EP0408803B1 (en) | 1994-01-12 |
NO893715L (no) | 1991-01-11 |
DE68912322D1 (de) | 1994-02-24 |
NO175105C (no) | 1994-08-31 |
NO893715D0 (no) | 1989-09-18 |
JPH03130485A (ja) | 1991-06-04 |
JP2831048B2 (ja) | 1998-12-02 |
FI893338A (fi) | 1991-01-11 |
EP0408803A1 (en) | 1991-01-23 |
NO175105B (no) | 1994-05-24 |
ATE100157T1 (de) | 1994-01-15 |
FI88316C (fi) | 1993-04-26 |
CA1335184C (en) | 1995-04-11 |
FI88316B (fi) | 1993-01-15 |
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ES2061857T3 (es) | Procedimiento para el blanqueo de pasta papelera. | |
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BR9803865A (pt) | Processo para alvejamento de polpas de papel químico | |
DE3563548D1 (en) | Process for preparing chemical wood pulps with a view to bleaching |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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