DE69423364T2 - Deinken von altpapier durch behandlung mit stärke-abbaufähigem enzym, z.b. amylase - Google Patents
Deinken von altpapier durch behandlung mit stärke-abbaufähigem enzym, z.b. amylaseInfo
- Publication number
- DE69423364T2 DE69423364T2 DE69423364T DE69423364T DE69423364T2 DE 69423364 T2 DE69423364 T2 DE 69423364T2 DE 69423364 T DE69423364 T DE 69423364T DE 69423364 T DE69423364 T DE 69423364T DE 69423364 T2 DE69423364 T2 DE 69423364T2
- Authority
- DE
- Germany
- Prior art keywords
- enzyme
- paper
- enzyme treatment
- starch
- carried out
- 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
- 102000004190 Enzymes Human genes 0.000 title claims abstract description 74
- 108090000790 Enzymes Proteins 0.000 title claims abstract description 74
- 239000004382 Amylase Substances 0.000 title abstract description 7
- 108010065511 Amylases Proteins 0.000 title abstract description 7
- 102000013142 Amylases Human genes 0.000 title abstract description 7
- 235000019418 amylase Nutrition 0.000 title abstract description 7
- 239000010893 paper waste Substances 0.000 title description 14
- 238000011282 treatment Methods 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 41
- 229920002472 Starch Polymers 0.000 claims abstract description 25
- 239000008107 starch Substances 0.000 claims abstract description 24
- 235000019698 starch Nutrition 0.000 claims abstract description 24
- 239000002245 particle Substances 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 229940088598 enzyme Drugs 0.000 claims description 70
- 108090000637 alpha-Amylases Proteins 0.000 claims description 16
- 238000004090 dissolution Methods 0.000 claims description 16
- 102000004139 alpha-Amylases Human genes 0.000 claims description 14
- 229940024171 alpha-amylase Drugs 0.000 claims description 12
- 238000004061 bleaching Methods 0.000 claims description 11
- 239000003153 chemical reaction reagent Substances 0.000 claims description 10
- 239000004094 surface-active agent Substances 0.000 claims description 10
- 241000193830 Bacillus <bacterium> Species 0.000 claims description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 9
- 229920001131 Pulp (paper) Polymers 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 8
- 241000193744 Bacillus amyloliquefaciens Species 0.000 claims description 2
- 241000194108 Bacillus licheniformis Species 0.000 claims description 2
- 241000193385 Geobacillus stearothermophilus Species 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002761 deinking Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000123 paper Substances 0.000 description 34
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- 239000000976 ink Substances 0.000 description 20
- 239000000126 substance Substances 0.000 description 17
- 239000004115 Sodium Silicate Substances 0.000 description 7
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 7
- 229910052911 sodium silicate Inorganic materials 0.000 description 7
- 238000005188 flotation Methods 0.000 description 6
- 238000007639 printing Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 229920001353 Dextrin Polymers 0.000 description 4
- 239000004375 Dextrin Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 235000019425 dextrin Nutrition 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 229920000881 Modified starch Polymers 0.000 description 3
- 239000002655 kraft paper Substances 0.000 description 3
- 239000003094 microcapsule Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004537 pulping Methods 0.000 description 3
- 240000006439 Aspergillus oryzae Species 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 108010059892 Cellulase Proteins 0.000 description 2
- 108010073178 Glucan 1,4-alpha-Glucosidase Proteins 0.000 description 2
- 102100022624 Glucoamylase Human genes 0.000 description 2
- 239000004367 Lipase Substances 0.000 description 2
- 102000004882 Lipase Human genes 0.000 description 2
- 108090001060 Lipase Proteins 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 239000004368 Modified starch Substances 0.000 description 2
- 229940106157 cellulase Drugs 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 235000019421 lipase Nutrition 0.000 description 2
- 235000019426 modified starch Nutrition 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229920000945 Amylopectin Polymers 0.000 description 1
- 229920000856 Amylose Polymers 0.000 description 1
- 241000228212 Aspergillus Species 0.000 description 1
- 241000228245 Aspergillus niger Species 0.000 description 1
- 241001134780 Bacillus acidopullulyticus Species 0.000 description 1
- 235000014469 Bacillus subtilis Nutrition 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229920002261 Corn starch Polymers 0.000 description 1
- 240000003183 Manihot esculenta Species 0.000 description 1
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 description 1
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 108091005804 Peptidases Proteins 0.000 description 1
- 239000004365 Protease Substances 0.000 description 1
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000003625 amylolytic effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 229940099112 cornstarch Drugs 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229940059442 hemicellulase Drugs 0.000 description 1
- 108010002430 hemicellulase Proteins 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 239000010899 old newspaper Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000001254 oxidized starch Substances 0.000 description 1
- 235000013808 oxidized starch Nutrition 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 229940116317 potato starch Drugs 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 229940100486 rice starch Drugs 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 108010075550 termamyl Proteins 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
- 229940100445 wheat starch Drugs 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Paper (AREA)
- Treatment Of Sludge (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK131193A DK131193D0 (enExample) | 1993-11-23 | 1993-11-23 | |
| PCT/DK1994/000437 WO1995014807A1 (en) | 1993-11-23 | 1994-11-23 | Deinking of waste paper by treatment with starch degrading enzyme e.g. amylase |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69423364D1 DE69423364D1 (de) | 2000-04-13 |
| DE69423364T2 true DE69423364T2 (de) | 2000-10-26 |
Family
ID=8103432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69423364T Expired - Lifetime DE69423364T2 (de) | 1993-11-23 | 1994-11-23 | Deinken von altpapier durch behandlung mit stärke-abbaufähigem enzym, z.b. amylase |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5879509A (enExample) |
| EP (1) | EP0730688B1 (enExample) |
| JP (1) | JPH09505363A (enExample) |
| AT (1) | ATE190367T1 (enExample) |
| AU (1) | AU1063795A (enExample) |
| DE (1) | DE69423364T2 (enExample) |
| DK (1) | DK131193D0 (enExample) |
| FI (1) | FI111961B (enExample) |
| WO (1) | WO1995014807A1 (enExample) |
Families Citing this family (49)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2165251A1 (en) * | 1994-12-15 | 1996-06-16 | Jill Marie Jobbins | Deinking composition and process |
| ZA9510691B (en) * | 1994-12-15 | 1996-09-13 | Rhone Poulenc Inc | Deinking composition and process |
| GB2304741A (en) * | 1995-08-30 | 1997-03-26 | Allied Colloids Ltd | Enzyme deinking of paper |
| AUPN909696A0 (en) * | 1996-04-03 | 1996-04-26 | Participant Project Ip Limited | Paper pulp drainage aid |
| CA2343216A1 (en) * | 1998-09-17 | 2000-03-23 | Neal E. Franks | Methods for deinking and decolorizing printed paper |
| ES2532606T3 (es) | 1999-03-31 | 2015-03-30 | Novozymes A/S | Polipéptidos con actividad de alfa-amilasa alcalina y ácidos nucleicos que los codifican |
| EP1169434B1 (en) | 1999-03-31 | 2009-02-11 | Novozymes A/S | Polypeptides having alkaline alpha-amylase activity and nucleic acids encoding same |
| ATE483059T1 (de) * | 1999-11-19 | 2010-10-15 | Buckman Labor Inc | Verfahren zur papierherstellung mittels enzymen und polymer kombinationen |
| US6939437B1 (en) | 1999-11-19 | 2005-09-06 | Buckman Laboratories International, Inc. | Paper making processes using enzyme and polymer combinations |
| US6639126B1 (en) | 1999-12-06 | 2003-10-28 | Pioneer Hi-Bred International, Inc. | Production of modified polysaccharides |
| BR0112177A (pt) * | 2000-06-16 | 2003-09-02 | Buckman Labor Inc | Métodos para controlar contaminantes orgânicos em fibras contendo contaminantes orgânicos e para fabricar produtos de papel ou cartonagem |
| EP1975229A3 (en) | 2000-10-13 | 2009-03-18 | Novozymes A/S | Alpha-amylase variant with altered properties |
| US6576083B2 (en) * | 2001-04-05 | 2003-06-10 | Novozymes A/S | Deinking of waste paper |
| WO2002092797A2 (en) | 2001-05-15 | 2002-11-21 | Novozymes A/S | Alpha-amylase variant with altered properties |
| CN100408756C (zh) * | 2002-10-21 | 2008-08-06 | 永丰馀造纸股份有限公司 | 降低菌泥产生的方法及混合物 |
| DK2194133T3 (en) | 2003-03-06 | 2016-02-29 | Basf Enzymes Llc | Amylases, nucleic acids encoding them, and methods of making and using the same |
| MXPA05010681A (es) | 2003-04-04 | 2005-12-15 | Diversa Corp | Liasas de pectato, acidos nucleicos que las codifican, y metodos para hacerlas y usarlas. |
| ES2342287T3 (es) | 2003-06-13 | 2010-07-05 | Danisco A/S | Polipeptidos de pseudomonas variantes que presentan una actividad de exoamilasa no maltogena y su utilizacion en la preparacion de productos alimenticios. |
| EP1675941B1 (en) | 2003-06-25 | 2013-05-22 | Novozymes A/S | Polypeptides having alpha-amylase activity and polynucleotides encoding same |
| US7118797B2 (en) * | 2003-11-19 | 2006-10-10 | Crum Jesse D | Printed communication materials having reduced odor and textural or tactile properties |
| EP1781790B1 (en) | 2004-07-05 | 2015-10-14 | Novozymes A/S | Alpha-amylase variants with altered properties |
| CA2572918A1 (en) * | 2004-07-07 | 2006-02-09 | Novozymes North America, Inc. | Use of cyclodextrin for reducing yellowing of pulp and paper |
| US7282113B2 (en) * | 2004-11-17 | 2007-10-16 | Tritexco, Inc. | Method for enzymatic deinking of waste papers, the waste papers so treated and the treating composition |
| US20060124266A1 (en) * | 2004-11-23 | 2006-06-15 | Novozymes North America, Inc. | Use of cyclodextrins for reducing deposits during paper production |
| BRPI0517133A (pt) * | 2004-12-03 | 2008-09-30 | Sun Chemical Corp | composição de tinta de impressão aquosa e para revestimento; métodos de aplicação das mesmas; substrato poroso e método para repolpagem de um substrato a ser impresso |
| WO2006101584A2 (en) | 2005-03-15 | 2006-09-28 | Diversa Corporation | Cellulases, nucleic acids encoding them and methods for making and using them |
| EP1941049A4 (en) * | 2005-09-20 | 2011-12-21 | Novozymes North America Inc | PROCESS FOR PRODUCING A FERMENTATION PRODUCT |
| MY161026A (en) | 2006-02-10 | 2017-03-31 | Verenium Corp | Cellulolytic enzymes, nucleic acids encoding them and methods for making and using them |
| HUE033455T2 (en) | 2006-12-21 | 2017-12-28 | Basf Enzymes Llc | Amylases and glucoamylases, nucleic acids encoding them, and methods for their preparation and use |
| US20100189706A1 (en) | 2007-01-30 | 2010-07-29 | Cathy Chang | Enzymes for the treatment of lignocellulosics, nucleic acids encoding them and methods for making and using them |
| MX2010004670A (es) | 2007-11-05 | 2010-05-20 | Danisco Us Inc | Variantes de alfa-amilasa ts-23 de bacillus sp. con propiedades alteradas. |
| AR069168A1 (es) | 2007-11-05 | 2010-01-06 | Danisco Us Inc Genencor Div | Variantes de alfa -amilasas con propiedades alteradas |
| WO2009100102A2 (en) | 2008-02-04 | 2009-08-13 | Danisco Us Inc., Genencor Division | Ts23 alpha-amylase variants with altered properties |
| PL2447361T3 (pl) | 2008-06-06 | 2015-03-31 | Danisco Us Inc | Warianty alfa-amylazy (AMYS) z Geobacillus stearothermophilus o poprawionych właściwościach |
| CA2738447C (en) | 2008-09-25 | 2019-01-08 | Danisco Us Inc. | Alpha-amylase blends and methods for using said blends |
| CN102292444A (zh) | 2008-11-20 | 2011-12-21 | 诺维信股份有限公司 | 具有淀粉分解增强活性的多肽和编码该多肽的多核苷酸 |
| US8852912B2 (en) | 2009-04-01 | 2014-10-07 | Danisco Us Inc. | Compositions and methods comprising alpha-amylase variants with altered properties |
| US8435577B2 (en) | 2010-01-04 | 2013-05-07 | Novozymes A/S | Alpha-amylases |
| BR112013008048A2 (pt) | 2010-10-06 | 2016-06-14 | Bp Corp North America Inc | polipeptídeos, composição, caldo de fermentação, métodos para sacrificar biomassa e para produzir etanol, ácido nucleico, vetor, células recombinante e hospedeira e métodos para produzir polipeptídeo e para gerar polipeptídeo de cbh i variante tolerante a produto e ácido nucleíco |
| WO2013001078A1 (en) | 2011-06-30 | 2013-01-03 | Novozymes A/S | Alpha-amylase variants |
| EP2768957B1 (en) | 2011-10-17 | 2018-05-09 | Novozymes A/S | Alpha-amylase variants and polynucleotides encoding same |
| EP4253534A3 (en) | 2011-10-17 | 2024-02-07 | Novozymes A/S | Alpha-amylase variants and polynucleotides encoding same |
| CN103669066B (zh) * | 2012-09-05 | 2015-11-25 | 东莞市绿微康生物科技有限公司 | 提高废旧箱板纸中胶黏物去除效果的方法 |
| EP3129478B1 (en) | 2014-04-10 | 2019-03-27 | Novozymes A/S | Alpha-amylase variants and polynucleotides encoding same |
| CN104711887B (zh) * | 2015-02-16 | 2016-08-24 | 广西大学 | 用回收废弃含植物纤维的原料制备3d打印材料的方法 |
| MX2018007485A (es) | 2015-12-30 | 2018-08-01 | Novozymes As | Variantes de enzimas y polinucleotidos que las codifican. |
| EP3452497B1 (en) | 2016-05-03 | 2021-02-17 | Novozymes A/S | Alpha-amylase variants and polynucleotides encoding the same |
| US11186833B2 (en) | 2016-05-09 | 2021-11-30 | Novozymes A/S | Variant polypeptides with improved performance and use of the same |
| AU2020242303B2 (en) | 2019-03-21 | 2026-01-08 | Novozymes A/S | Alpha-amylase variants and polynucleotides encoding same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3652383A (en) * | 1968-03-27 | 1972-03-28 | Kimberly Clark Co | Treatment of paper coating wastes containing starch and pigment |
| US3616219A (en) * | 1970-03-09 | 1971-10-26 | Staley Mfg Co A E | Process for improved enzyme convertibility of starch |
| DE2636951A1 (de) * | 1976-08-17 | 1978-02-23 | Pelikan Werke Wagner Guenther | Staerkeabbau in der leimung von papieren mittels amylasen |
| US4450043A (en) * | 1982-03-12 | 1984-05-22 | Appleton Papers Inc. | Method for recovering pulp from pressure-sensitive carbonless copying paper waste |
| DK80290D0 (enExample) * | 1990-03-29 | 1990-03-29 | Novo Nordisk As | |
| DE4137761A1 (de) * | 1991-05-17 | 1992-11-19 | Call Hans Peter | Verfahren zur delignifizierung von lignocellulosehaltigem material, bleiche und behandlung von abwaessern mittels laccasen mit erweiteter wirksamkeit |
-
1993
- 1993-11-23 DK DK131193A patent/DK131193D0/da not_active Application Discontinuation
-
1994
- 1994-11-23 AU AU10637/95A patent/AU1063795A/en not_active Abandoned
- 1994-11-23 JP JP51475995A patent/JPH09505363A/ja active Pending
- 1994-11-23 AT AT95901358T patent/ATE190367T1/de not_active IP Right Cessation
- 1994-11-23 US US08/640,869 patent/US5879509A/en not_active Expired - Lifetime
- 1994-11-23 DE DE69423364T patent/DE69423364T2/de not_active Expired - Lifetime
- 1994-11-23 WO PCT/DK1994/000437 patent/WO1995014807A1/en not_active Ceased
- 1994-11-23 EP EP95901358A patent/EP0730688B1/en not_active Expired - Lifetime
-
1996
- 1996-05-22 FI FI962152A patent/FI111961B/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE69423364D1 (de) | 2000-04-13 |
| WO1995014807A1 (en) | 1995-06-01 |
| DK131193D0 (enExample) | 1993-11-23 |
| FI962152A0 (fi) | 1996-05-22 |
| EP0730688B1 (en) | 2000-03-08 |
| AU1063795A (en) | 1995-06-13 |
| JPH09505363A (ja) | 1997-05-27 |
| FI111961B (fi) | 2003-10-15 |
| FI962152L (fi) | 1996-05-22 |
| ATE190367T1 (de) | 2000-03-15 |
| EP0730688A1 (en) | 1996-09-11 |
| US5879509A (en) | 1999-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69423364T2 (de) | Deinken von altpapier durch behandlung mit stärke-abbaufähigem enzym, z.b. amylase | |
| DE69527794T2 (de) | Herstellung von sanften papierprodukten aus altzeitungspapier | |
| DE69104195T2 (de) | Verfahren zur enzymatischen entfärbung. | |
| DE69632058T2 (de) | Herstellung von weichen papierprodukten aus fasern mit hoher und geringer grobheit | |
| Lee et al. | Enzymatic deinking of various types of waste paper: efficiency and characteristics | |
| DE69520589T2 (de) | Verwendung einer einkomponentencellulose zur entfernung von tinten, streichmasse und toner aus druckpapier | |
| JP2002525445A (ja) | 印刷紙を脱インク及び脱色するための方法 | |
| US5401360A (en) | Method for de-inking printed paper | |
| DE69025405T2 (de) | Verbesserung beim bleichen von pulpe | |
| CA1115006A (en) | Process for the reprocessing of papers | |
| US3933578A (en) | Method of recovering pressure sensitive copying paper waste paper | |
| DE69325098T2 (de) | Verfahren zur behandlung von altpapier und wiedergewonnenes papier | |
| US4450043A (en) | Method for recovering pulp from pressure-sensitive carbonless copying paper waste | |
| US4264412A (en) | Process of recovering fibres | |
| DE3200893C1 (de) | Verfahren und Anlage zur Herstellung von gereinigtem Faserstoff aus Altpapier | |
| EP0657578A1 (de) | Verfahren zur Aufbereitung von Altpapier für die Papierproduktion | |
| JP3786195B2 (ja) | 古紙のパルプ化法 | |
| EP0447672B1 (de) | Verfahren zur Altpapieraufbereitung mit enzymatischer Druckfarbenentfernung | |
| Jeffries et al. | Enhanced removal of toners from office waste papers by microbial cellulases | |
| CA2177254C (en) | Deinking of waste paper by treatment with starch degrading enzyme e.g. amylase | |
| DE19620952C2 (de) | Verfahren zur Weißgradsteigerung im Deinkingprozeß | |
| Bajpai | Enzymatic deinking | |
| JPH0357235B2 (enExample) | ||
| EP0247307B1 (de) | Verfahren zum Entfärben von in der Masse gefärbten Papieren und Selbstdurchschreibepapieren | |
| WO1997000834A1 (de) | Enzymatische methode zum oxidativen abbau von fluoreszierenden verbindungen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: NOVOZYMES A/S, BAGSVAERD, DK |