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)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK131193A DK131193D0 (online.php) | 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 (online.php) |
| EP (1) | EP0730688B1 (online.php) |
| JP (1) | JPH09505363A (online.php) |
| AT (1) | ATE190367T1 (online.php) |
| AU (1) | AU1063795A (online.php) |
| DE (1) | DE69423364T2 (online.php) |
| DK (1) | DK131193D0 (online.php) |
| FI (1) | FI111961B (online.php) |
| WO (1) | WO1995014807A1 (online.php) |
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 |
| US6241849B1 (en) * | 1998-09-17 | 2001-06-05 | Novo Nordisk Biochem North America, Inc. | Methods for deinking and decolorizing printed paper |
| WO2000060058A2 (en) | 1999-03-31 | 2000-10-12 | Novozymes A/S | Polypeptides having alkaline alpha-amylase activity and nucleic acids encoding same |
| ES2532606T3 (es) | 1999-03-31 | 2015-03-30 | Novozymes A/S | Polipéptidos con actividad de alfa-amilasa alcalina y ácidos nucleicos que los codifican |
| US6939437B1 (en) | 1999-11-19 | 2005-09-06 | Buckman Laboratories International, Inc. | Paper making processes using enzyme and polymer combinations |
| BR0015768B1 (pt) * | 1999-11-19 | 2009-08-11 | método para fabricação de papel ou papelão e aparelho para fabricação de papel. | |
| US6639126B1 (en) | 1999-12-06 | 2003-10-28 | Pioneer Hi-Bred International, Inc. | Production of modified polysaccharides |
| MXPA02012240A (es) * | 2000-06-16 | 2003-04-25 | Buckman Labor Inc | Metodos para controlar contaminantes organicos en fibras. |
| 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 |
| US7498158B2 (en) | 2001-05-15 | 2009-03-03 | 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 |
| EP3508578A1 (en) | 2003-03-06 | 2019-07-10 | BASF Enzymes, LLC | Amylases, nucleic acids encoding them and methods for making and using them |
| DK2341136T3 (en) | 2003-04-04 | 2016-09-12 | Basf Enzymes Llc | Pectate lyases, nucleic acids encoding them, and methods of making and using them |
| 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. |
| AU2004252572B2 (en) | 2003-06-25 | 2011-09-08 | Novozymes A/S | Polypeptides having alpha-amylase activity and polypeptides encoding same |
| US7118797B2 (en) * | 2003-11-19 | 2006-10-10 | Crum Jesse D | Printed communication materials having reduced odor and textural or tactile properties |
| EP3620523A3 (en) | 2004-07-05 | 2020-08-19 | Novozymes A/S | Alpha-amylase variants with altered properties |
| AU2005269835A1 (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 |
| MX2007006615A (es) * | 2004-12-03 | 2007-08-02 | Sun Chemical Corp | Composiciones de tinta de impresion y de revestimiento que contienen almidon. |
| NZ594810A (en) | 2005-03-15 | 2012-12-21 | Verenium Corp | Cellulases, nucleic acids encoding them and methods for making and using them |
| WO2007035730A2 (en) * | 2005-09-20 | 2007-03-29 | Novozymes North America, Inc. | Process of producing a fermentation product |
| NZ595501A (en) | 2006-02-10 | 2013-05-31 | Verenium Corp | Cellulolytic enzymes, nucleic acids encoding them and methods for making and using them |
| BRPI0719449A2 (pt) | 2006-12-21 | 2017-06-20 | Syngenta Participations Ag | molécula de ácido nucléico isolada, sintética ou recombinante, polipeptídeo isolado, planta ou parte de planta, eículo de clonagem que compreende um ácido nucléico, cassete de expressão que compreende uma molécula de ácido nucléico e método para hidrolisar um polissacarídeo, oligossacarídeo ou amido |
| NZ578309A (en) | 2007-01-30 | 2012-06-29 | Verenium Corp | Enzymes for the treatment of lignocellulosics, nucleic acids encoding them and methods for making and using them |
| EP2215110B1 (en) | 2007-11-05 | 2025-07-16 | Danisco US Inc. | Alpha-amylase variants with altered properties |
| JP5520828B2 (ja) | 2007-11-05 | 2014-06-11 | ダニスコ・ユーエス・インク | 改変される特徴を有するバシルス種（Ｂａｃｉｌｌｕｓｓｐ．）ＴＳ‐２３アルファ‐アミラーゼ変異体 |
| CA2713582C (en) | 2008-02-04 | 2017-02-21 | Danisco Us Inc. | Ts23 alpha-amylase variants with altered properties |
| WO2009149130A2 (en) | 2008-06-06 | 2009-12-10 | Danisco Us Inc. | Geobacillus stearothermophilus alpha-amylase (amys) variants with improved properties |
| EP2337837B2 (en) | 2008-09-25 | 2016-10-26 | Danisco US Inc. | Alpha-amylase blends and methods for using said blends |
| ES2667812T3 (es) | 2008-11-20 | 2018-05-14 | Novozymes Inc. | Polipéptidos que tienen actividad potenciadora amilolítica y polinucleótidos que codifican los mismos |
| CA2757343A1 (en) | 2009-04-01 | 2010-10-07 | Danisco Us Inc. | Compositions and methods comprising alpha-amylase variants with altered properties |
| AU2011203460B2 (en) | 2010-01-04 | 2014-09-18 | Novozymes A/S | Alpha-amylase variants and polynucleotides encoding same |
| BR112013008347A2 (pt) | 2010-10-06 | 2016-06-14 | Bp Corp North America Inc | polipeptídeos de variantes cbh i |
| ES2834102T3 (es) | 2011-06-30 | 2021-06-16 | Novozymes As | Variantes de alfa-amilasa |
| MX355356B (es) | 2011-10-17 | 2018-04-17 | Novozymes As | Variantes de alfa-amilasa y polinucleotidos que codifican las mismas. |
| CA2852603C (en) | 2011-10-17 | 2025-10-07 | Novozymes A/S | VARIANTS OF ALPHA-AMYLASE AND POLYNUCLEOTIDES CODING THEM |
| 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 |
| CN119120430A (zh) | 2015-12-30 | 2024-12-13 | 诺维信公司 | 酶变体以及编码它们的多核苷酸 |
| CN109415421B (zh) | 2016-05-03 | 2023-02-28 | 诺维信公司 | α-淀粉酶变体以及编码它们的多核苷酸 |
| US11186833B2 (en) | 2016-05-09 | 2021-11-30 | Novozymes A/S | Variant polypeptides with improved performance and use of the same |
| CA3122942A1 (en) | 2019-03-21 | 2020-09-24 | 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 (online.php) * | 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 JP JP51475995A patent/JPH09505363A/ja active Pending
- 1994-11-23 AU AU10637/95A patent/AU1063795A/en not_active Abandoned
- 1994-11-23 EP EP95901358A patent/EP0730688B1/en not_active Expired - Lifetime
- 1994-11-23 WO PCT/DK1994/000437 patent/WO1995014807A1/en not_active Ceased
- 1994-11-23 DE DE69423364T patent/DE69423364T2/de not_active Expired - Lifetime
- 1994-11-23 US US08/640,869 patent/US5879509A/en not_active Expired - Lifetime
- 1994-11-23 AT AT95901358T patent/ATE190367T1/de not_active IP Right Cessation
-
1996
- 1996-05-22 FI FI962152A patent/FI111961B/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0730688A1 (en) | 1996-09-11 |
| JPH09505363A (ja) | 1997-05-27 |
| WO1995014807A1 (en) | 1995-06-01 |
| FI962152A0 (fi) | 1996-05-22 |
| DE69423364D1 (de) | 2000-04-13 |
| AU1063795A (en) | 1995-06-13 |
| DK131193D0 (online.php) | 1993-11-23 |
| EP0730688B1 (en) | 2000-03-08 |
| FI962152L (fi) | 1996-05-22 |
| US5879509A (en) | 1999-03-09 |
| ATE190367T1 (de) | 2000-03-15 |
| FI111961B (fi) | 2003-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0730688B1 (en) | Deinking of waste paper by treatment with starch degrading enzyme e.g. amylase | |
| DE69527794T2 (de) | Herstellung von sanften papierprodukten aus altzeitungspapier | |
| DE69632058T2 (de) | Herstellung von weichen papierprodukten aus fasern mit hoher und geringer grobheit | |
| DE69520589T2 (de) | Verwendung einer einkomponentencellulose zur entfernung von tinten, streichmasse und toner aus druckpapier | |
| US4959123A (en) | Process for deinking printed waste paper | |
| 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 | |
| DE69332719T2 (de) | De-inken von bedrucktem papier mittels eines agglomerierungsverfahrens | |
| 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 | |
| Bajpai | Enzymatic deinking | |
| CA2177254C (en) | Deinking of waste paper by treatment with starch degrading enzyme e.g. amylase | |
| DE19620952C2 (de) | Verfahren zur Weißgradsteigerung im Deinkingprozeß | |
| JPH0357235B2 (online.php) | ||
| EP0247307B1 (de) | Verfahren zum Entfärben von in der Masse gefärbten Papieren und Selbstdurchschreibepapieren | |
| EP0835225A1 (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 |