JPH03104993A - 酵素による木材パルプの漂白 - Google Patents
酵素による木材パルプの漂白Info
- Publication number
- JPH03104993A JPH03104993A JP24017190A JP24017190A JPH03104993A JP H03104993 A JPH03104993 A JP H03104993A JP 24017190 A JP24017190 A JP 24017190A JP 24017190 A JP24017190 A JP 24017190A JP H03104993 A JPH03104993 A JP H03104993A
- Authority
- JP
- Japan
- Prior art keywords
- pulp
- enzyme
- lignin
- treating
- oxygen
- 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.)
- Pending
Links
- 102000004190 Enzymes Human genes 0.000 title claims abstract description 56
- 108090000790 Enzymes Proteins 0.000 title claims abstract description 56
- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 28
- 238000004061 bleaching Methods 0.000 title claims abstract description 16
- 108010054320 Lignin peroxidase Proteins 0.000 claims abstract description 27
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000001301 oxygen Substances 0.000 claims abstract description 25
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 25
- 150000002978 peroxides Chemical class 0.000 claims abstract description 12
- 241000233866 Fungi Species 0.000 claims abstract description 9
- 239000000706 filtrate Substances 0.000 claims abstract description 9
- 239000006228 supernatant Substances 0.000 claims abstract description 9
- 239000000287 crude extract Substances 0.000 claims abstract description 8
- 241000222393 Phanerochaete chrysosporium Species 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 47
- 239000000203 mixture Substances 0.000 claims description 25
- 239000002655 kraft paper Substances 0.000 claims description 12
- 239000002351 wastewater Substances 0.000 claims description 10
- 239000002202 Polyethylene glycol Substances 0.000 claims description 9
- 229920001223 polyethylene glycol Polymers 0.000 claims description 9
- 102000003992 Peroxidases Human genes 0.000 claims description 8
- 239000002023 wood Substances 0.000 claims description 8
- 108040007629 peroxidase activity proteins Proteins 0.000 claims description 6
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000004362 fungal culture Methods 0.000 claims description 3
- 229920001451 polypropylene glycol Polymers 0.000 claims description 3
- 238000004076 pulp bleaching Methods 0.000 claims description 3
- 238000004537 pulping Methods 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 2
- 235000000346 sugar Nutrition 0.000 claims description 2
- 241000222385 Phanerochaete Species 0.000 claims 1
- 229920003169 water-soluble polymer Polymers 0.000 claims 1
- 239000007844 bleaching agent Substances 0.000 abstract 1
- 229940088598 enzyme Drugs 0.000 description 49
- 229920005610 lignin Polymers 0.000 description 29
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 24
- 238000002360 preparation method Methods 0.000 description 18
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 14
- 238000000605 extraction Methods 0.000 description 13
- 238000011282 treatment Methods 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000008399 tap water Substances 0.000 description 10
- 235000020679 tap water Nutrition 0.000 description 10
- 230000002255 enzymatic effect Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 241000123346 Chrysosporium Species 0.000 description 5
- 229920002488 Hemicellulose Polymers 0.000 description 5
- 108010062085 ligninase Proteins 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 102000004316 Oxidoreductases Human genes 0.000 description 4
- 108090000854 Oxidoreductases Proteins 0.000 description 4
- 229920002684 Sepharose Polymers 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- VHJLVAABSRFDPM-QWWZWVQMSA-N dithiothreitol Chemical compound SC[C@@H](O)[C@H](O)CS VHJLVAABSRFDPM-QWWZWVQMSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000011121 hardwood Substances 0.000 description 4
- 239000011122 softwood Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000008351 acetate buffer Substances 0.000 description 3
- 230000000593 degrading effect Effects 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- 108010002430 hemicellulase Proteins 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000011573 trace mineral Substances 0.000 description 3
- 235000013619 trace mineral Nutrition 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910001868 water Inorganic materials 0.000 description 3
- OEGPRYNGFWGMMV-UHFFFAOYSA-N (3,4-dimethoxyphenyl)methanol Chemical compound COC1=CC=C(CO)C=C1OC OEGPRYNGFWGMMV-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 108010062580 Concanavalin A Proteins 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 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
- 108010090665 Mannosyl-Glycoprotein Endo-beta-N-Acetylglucosaminidase Proteins 0.000 description 2
- 108700020962 Peroxidase Proteins 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000001632 sodium acetate Substances 0.000 description 2
- 235000017281 sodium acetate Nutrition 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 1
- 102100031260 Acyl-coenzyme A thioesterase THEM4 Human genes 0.000 description 1
- 229920000936 Agarose Polymers 0.000 description 1
- 102100032487 Beta-mannosidase Human genes 0.000 description 1
- 241000283690 Bos taurus Species 0.000 description 1
- 108091003079 Bovine Serum Albumin Proteins 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 108010059892 Cellulase Proteins 0.000 description 1
- 229920001661 Chitosan Polymers 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 101710121765 Endo-1,4-beta-xylanase Proteins 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 108010024636 Glutathione Proteins 0.000 description 1
- 108010053070 Glutathione Disulfide Proteins 0.000 description 1
- 102000003886 Glycoproteins Human genes 0.000 description 1
- 108090000288 Glycoproteins Proteins 0.000 description 1
- 108010031186 Glycoside Hydrolases Proteins 0.000 description 1
- 102000005744 Glycoside Hydrolases Human genes 0.000 description 1
- 101000638510 Homo sapiens Acyl-coenzyme A thioesterase THEM4 Proteins 0.000 description 1
- 108010029541 Laccase Proteins 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910003177 MnII Inorganic materials 0.000 description 1
- 241001635529 Orius Species 0.000 description 1
- 239000008118 PEG 6000 Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920002584 Polyethylene Glycol 6000 Polymers 0.000 description 1
- 239000012506 Sephacryl® Substances 0.000 description 1
- JZRWCGZRTZMZEH-UHFFFAOYSA-N Thiamine Natural products CC1=C(CCO)SC=[N+]1CC1=CN=C(C)N=C1N JZRWCGZRTZMZEH-UHFFFAOYSA-N 0.000 description 1
- 102100025342 Voltage-dependent N-type calcium channel subunit alpha-1B Human genes 0.000 description 1
- 101710088658 Voltage-dependent N-type calcium channel subunit alpha-1B Proteins 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 229940072056 alginate Drugs 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229940061720 alpha hydroxy acid Drugs 0.000 description 1
- 150000001280 alpha hydroxy acids Chemical class 0.000 description 1
- 108010084650 alpha-N-arabinofuranosidase Proteins 0.000 description 1
- 238000005349 anion exchange Methods 0.000 description 1
- NGPGDYLVALNKEG-UHFFFAOYSA-N azanium;azane;2,3,4-trihydroxy-4-oxobutanoate Chemical compound [NH4+].[NH4+].[O-]C(=O)C(O)C(O)C([O-])=O NGPGDYLVALNKEG-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 108010055059 beta-Mannosidase Proteins 0.000 description 1
- 229940098773 bovine serum albumin Drugs 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 235000011148 calcium chloride Nutrition 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 150000001720 carbohydrates Chemical group 0.000 description 1
- HJMZMZRCABDKKV-UHFFFAOYSA-N carbonocyanidic acid Chemical compound OC(=O)C#N HJMZMZRCABDKKV-UHFFFAOYSA-N 0.000 description 1
- 239000013592 cell lysate Substances 0.000 description 1
- 229940106157 cellulase Drugs 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 239000011365 complex material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 210000004748 cultured cell Anatomy 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- MGNCLNQXLYJVJD-UHFFFAOYSA-N cyanuric chloride Chemical compound ClC1=NC(Cl)=NC(Cl)=N1 MGNCLNQXLYJVJD-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000022811 deglycosylation Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 229940079919 digestives enzyme preparation Drugs 0.000 description 1
- -1 dioxins Chemical class 0.000 description 1
- 150000002013 dioxins Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000009144 enzymatic modification Effects 0.000 description 1
- 239000011536 extraction buffer Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002538 fungal effect Effects 0.000 description 1
- 108010066429 galactomannanase Proteins 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 238000002523 gelfiltration Methods 0.000 description 1
- 239000006481 glucose medium Substances 0.000 description 1
- RWSXRVCMGQZWBV-WDSKDSINSA-N glutathione Chemical compound OC(=O)[C@@H](N)CCC(=O)N[C@@H](CS)C(=O)NCC(O)=O RWSXRVCMGQZWBV-WDSKDSINSA-N 0.000 description 1
- YPZRWBKMTBYPTK-BJDJZHNGSA-N glutathione disulfide Chemical compound OC(=O)[C@@H](N)CCC(=O)N[C@H](C(=O)NCC(O)=O)CSSC[C@@H](C(=O)NCC(O)=O)NC(=O)CC[C@H](N)C(O)=O YPZRWBKMTBYPTK-BJDJZHNGSA-N 0.000 description 1
- 150000003278 haem Chemical class 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000001533 ligninolytic effect Effects 0.000 description 1
- 239000012978 lignocellulosic material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003533 narcotic effect Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- YPZRWBKMTBYPTK-UHFFFAOYSA-N oxidized gamma-L-glutamyl-L-cysteinylglycine Natural products OC(=O)C(N)CCC(=O)NC(C(=O)NCC(O)=O)CSSCC(C(=O)NCC(O)=O)NC(=O)CCC(N)C(O)=O YPZRWBKMTBYPTK-UHFFFAOYSA-N 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000010188 recombinant method Methods 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- HELHAJAZNSDZJO-OLXYHTOASA-L sodium L-tartrate Chemical compound [Na+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O HELHAJAZNSDZJO-OLXYHTOASA-L 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 239000001433 sodium tartrate Substances 0.000 description 1
- 229960002167 sodium tartrate Drugs 0.000 description 1
- 235000011004 sodium tartrates Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 230000019635 sulfation Effects 0.000 description 1
- 238000005670 sulfation reaction Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 235000019157 thiamine Nutrition 0.000 description 1
- KYMBYSLLVAOCFI-UHFFFAOYSA-N thiamine Chemical compound CC1=C(CCO)SCN1CC1=CN=C(C)N=C1N KYMBYSLLVAOCFI-UHFFFAOYSA-N 0.000 description 1
- 229960003495 thiamine Drugs 0.000 description 1
- 239000011721 thiamine Substances 0.000 description 1
- 238000005199 ultracentrifugation Methods 0.000 description 1
- WJUFSDZVCOTFON-UHFFFAOYSA-N veratraldehyde Chemical compound COC1=CC=C(C=O)C=C1OC WJUFSDZVCOTFON-UHFFFAOYSA-N 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000002087 whitening effect 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
- 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
- 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)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Paper (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Enzymes And Modification Thereof (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB898920596A GB8920596D0 (en) | 1989-09-12 | 1989-09-12 | Improvements in or relating to organic compounds |
| GB898920595A GB8920595D0 (en) | 1989-09-12 | 1989-09-12 | Improvements in or relating to organic compounds |
| GB8920596.7 | 1989-09-12 | ||
| GB8920595.9 | 1989-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03104993A true JPH03104993A (ja) | 1991-05-01 |
Family
ID=26295910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24017190A Pending JPH03104993A (ja) | 1989-09-12 | 1990-09-12 | 酵素による木材パルプの漂白 |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0418201B1 (de) |
| JP (1) | JPH03104993A (de) |
| AU (1) | AU646403B2 (de) |
| BR (1) | BR9004525A (de) |
| CA (1) | CA2025079A1 (de) |
| DE (1) | DE69015294T2 (de) |
| ES (1) | ES2067719T3 (de) |
| FI (1) | FI904456A0 (de) |
| NO (1) | NO178201C (de) |
| PT (1) | PT95273A (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993007333A1 (en) * | 1991-10-11 | 1993-04-15 | Kabushiki Kaisha Kobe Seiko Sho | Method of treating wastewater in pulp bleaching |
| JPH06287898A (ja) * | 1992-03-16 | 1994-10-11 | Nippon Paper Ind Co Ltd | 積層板用原紙の製造法 |
| CN105082302A (zh) * | 2015-03-31 | 2015-11-25 | 西南林业大学 | 一种高强度刨花板的制备方法 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| FI970158A (fi) * | 1997-01-14 | 1998-07-15 | Neste Oy | Uusi kuitulevyliima |
| US6372464B1 (en) * | 2000-06-19 | 2002-04-16 | Novozymes Biotech, Inc. | Polypeptides having peroxidase activity and nucleic acids encoding same |
| CN113957737A (zh) * | 2021-11-10 | 2022-01-21 | 安徽鑫光新材料科技股份有限公司 | 一种秸秆生物法无污染制浆工艺 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4690895A (en) * | 1985-07-15 | 1987-09-01 | Repligen Corporation | Use of rLDM™ 1-6 and other ligninolytic enzymes in the bleaching of kraft pulp |
| JPH0671424B2 (ja) * | 1986-03-18 | 1994-09-14 | 新王子製紙株式会社 | リグニン分解酵素およびその製造方法 |
| KR880701776A (ko) * | 1986-09-12 | 1988-11-05 | 예안 클라메르 한스 두돌프 하우스 | 유기 화합물에 있어서의 또는 그와 관련된 개량방법 |
| 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 |
| US4830708A (en) * | 1987-11-30 | 1989-05-16 | Pulp And Paper Research Institute Of Canada | Direct biological bleaching of hardwood kraft pulp with the fungus Coriolus versicolor |
| ZA894239B (en) * | 1988-06-08 | 1990-03-28 | Int Paper Co | Enzymatic delignification of lignocellulosic material |
-
1990
- 1990-09-10 EP EP90810681A patent/EP0418201B1/de not_active Expired - Lifetime
- 1990-09-10 FI FI904456A patent/FI904456A0/fi not_active IP Right Cessation
- 1990-09-10 ES ES90810681T patent/ES2067719T3/es not_active Expired - Lifetime
- 1990-09-10 NO NO903924A patent/NO178201C/no unknown
- 1990-09-10 DE DE1990615294 patent/DE69015294T2/de not_active Expired - Fee Related
- 1990-09-10 AU AU62323/90A patent/AU646403B2/en not_active Ceased
- 1990-09-11 PT PT9527390A patent/PT95273A/pt not_active Application Discontinuation
- 1990-09-11 CA CA 2025079 patent/CA2025079A1/en not_active Abandoned
- 1990-09-11 BR BR909004525A patent/BR9004525A/pt unknown
- 1990-09-12 JP JP24017190A patent/JPH03104993A/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993007333A1 (en) * | 1991-10-11 | 1993-04-15 | Kabushiki Kaisha Kobe Seiko Sho | Method of treating wastewater in pulp bleaching |
| US5431820A (en) * | 1991-10-11 | 1995-07-11 | Kabushiki Kaisha Kobe Seiko Sho | Method for treating liquid waste after pulp bleaching |
| JPH06287898A (ja) * | 1992-03-16 | 1994-10-11 | Nippon Paper Ind Co Ltd | 積層板用原紙の製造法 |
| CN105082302A (zh) * | 2015-03-31 | 2015-11-25 | 西南林业大学 | 一种高强度刨花板的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| NO903924D0 (no) | 1990-09-10 |
| AU646403B2 (en) | 1994-02-24 |
| NO903924L (no) | 1991-03-13 |
| BR9004525A (pt) | 1991-09-10 |
| EP0418201A3 (en) | 1992-09-23 |
| EP0418201B1 (de) | 1994-12-21 |
| NO178201C (no) | 1996-02-07 |
| FI904456A0 (fi) | 1990-09-10 |
| AU6232390A (en) | 1991-03-21 |
| ES2067719T3 (es) | 1995-04-01 |
| PT95273A (pt) | 1991-05-22 |
| CA2025079A1 (en) | 1991-03-13 |
| EP0418201A2 (de) | 1991-03-20 |
| DE69015294D1 (de) | 1995-02-02 |
| DE69015294T2 (de) | 1995-05-18 |
| NO178201B (no) | 1995-10-30 |
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