CA2579510A1 - Systeme de lutte contre les impuretes collantes lors du traitement du papier recupere et vierge - Google Patents
Systeme de lutte contre les impuretes collantes lors du traitement du papier recupere et vierge Download PDFInfo
- Publication number
- CA2579510A1 CA2579510A1 CA002579510A CA2579510A CA2579510A1 CA 2579510 A1 CA2579510 A1 CA 2579510A1 CA 002579510 A CA002579510 A CA 002579510A CA 2579510 A CA2579510 A CA 2579510A CA 2579510 A1 CA2579510 A1 CA 2579510A1
- Authority
- CA
- Canada
- Prior art keywords
- group
- adsorbents
- stickies
- absorbents
- enzymes
- 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.)
- Abandoned
Links
- 238000012545 processing Methods 0.000 title claims description 15
- 102000004190 Enzymes Human genes 0.000 claims abstract description 68
- 108090000790 Enzymes Proteins 0.000 claims abstract description 68
- 229940088598 enzyme Drugs 0.000 claims abstract description 67
- 238000011282 treatment Methods 0.000 claims abstract description 52
- 239000003463 adsorbent Substances 0.000 claims abstract description 50
- 230000002745 absorbent Effects 0.000 claims abstract description 48
- 239000002250 absorbent Substances 0.000 claims abstract description 48
- 239000000835 fiber Substances 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 33
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical class O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 27
- 102000004882 Lipase Human genes 0.000 claims abstract description 18
- 108090001060 Lipase Proteins 0.000 claims abstract description 18
- 239000004367 Lipase Substances 0.000 claims abstract description 16
- 235000019421 lipase Nutrition 0.000 claims abstract description 16
- 239000000126 substance Substances 0.000 claims abstract description 16
- 229920003169 water-soluble polymer Polymers 0.000 claims abstract description 14
- 108090000371 Esterases Proteins 0.000 claims abstract description 11
- 239000000853 adhesive Substances 0.000 claims abstract description 11
- 230000001070 adhesive effect Effects 0.000 claims abstract description 11
- 102000004157 Hydrolases Human genes 0.000 claims abstract description 9
- 108090000604 Hydrolases Proteins 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004927 clay Substances 0.000 claims abstract description 9
- 239000000454 talc Substances 0.000 claims abstract description 9
- 229910052623 talc Inorganic materials 0.000 claims abstract description 9
- 239000002270 dispersing agent Substances 0.000 claims abstract description 8
- 102000013142 Amylases Human genes 0.000 claims abstract description 7
- 108010065511 Amylases Proteins 0.000 claims abstract description 7
- 108010084185 Cellulases Proteins 0.000 claims abstract description 7
- 102000005575 Cellulases Human genes 0.000 claims abstract description 7
- 102000004317 Lyases Human genes 0.000 claims abstract description 7
- 108090000856 Lyases Proteins 0.000 claims abstract description 7
- 108090000854 Oxidoreductases Proteins 0.000 claims abstract description 7
- 102000004316 Oxidoreductases Human genes 0.000 claims abstract description 7
- 235000019418 amylase Nutrition 0.000 claims abstract description 7
- 229940025131 amylases Drugs 0.000 claims abstract description 7
- 239000011859 microparticle Substances 0.000 claims abstract description 6
- 108010059820 Polygalacturonase Proteins 0.000 claims abstract description 5
- 108010093305 exopolygalacturonase Proteins 0.000 claims abstract description 5
- 108010002430 hemicellulase Proteins 0.000 claims abstract description 5
- 108010087558 pectate lyase Proteins 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 54
- 239000000123 paper Substances 0.000 claims description 52
- 239000000356 contaminant Substances 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 21
- -1 .beta.-glucosidases Proteins 0.000 claims description 18
- 238000005188 flotation Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 16
- 239000000440 bentonite Substances 0.000 claims description 15
- 229910000278 bentonite Inorganic materials 0.000 claims description 15
- 239000010893 paper waste Substances 0.000 claims description 13
- 229920000642 polymer Polymers 0.000 claims description 13
- 239000002002 slurry Substances 0.000 claims description 9
- LTMQZVLXCLQPCT-UHFFFAOYSA-N 1,1,6-trimethyltetralin Chemical compound C1CCC(C)(C)C=2C1=CC(C)=CC=2 LTMQZVLXCLQPCT-UHFFFAOYSA-N 0.000 claims description 8
- 239000004094 surface-active agent Substances 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 claims description 6
- 125000002091 cationic group Chemical group 0.000 claims description 6
- 229910052570 clay Inorganic materials 0.000 claims description 6
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 6
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 claims description 6
- 239000000194 fatty acid Substances 0.000 claims description 6
- 229930195729 fatty acid Natural products 0.000 claims description 6
- 150000004665 fatty acids Chemical class 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 5
- 108010029541 Laccase Proteins 0.000 claims description 4
- 108091005804 Peptidases Proteins 0.000 claims description 4
- 102000035195 Peptidases Human genes 0.000 claims description 4
- 102000003992 Peroxidases Human genes 0.000 claims description 4
- 239000004365 Protease Substances 0.000 claims description 4
- 239000010954 inorganic particle Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims description 3
- 108010015776 Glucose oxidase Proteins 0.000 claims description 3
- 125000000129 anionic group Chemical group 0.000 claims description 3
- 239000000872 buffer Substances 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 150000002191 fatty alcohols Chemical class 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 235000019420 glucose oxidase Nutrition 0.000 claims description 3
- 108010046301 glucose peroxidase Proteins 0.000 claims description 3
- 229920000371 poly(diallyldimethylammonium chloride) polymer Polymers 0.000 claims description 3
- 239000003755 preservative agent Substances 0.000 claims description 3
- 239000000344 soap Substances 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 229920006322 acrylamide copolymer Polymers 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 8
- 239000011707 mineral Substances 0.000 claims 8
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims 4
- 229920006037 cross link polymer Polymers 0.000 claims 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims 2
- 239000010459 dolomite Substances 0.000 claims 2
- 229910000514 dolomite Inorganic materials 0.000 claims 2
- 230000002708 enhancing effect Effects 0.000 claims 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims 2
- 239000001095 magnesium carbonate Substances 0.000 claims 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims 2
- 229910052901 montmorillonite Inorganic materials 0.000 claims 2
- 239000011146 organic particle Substances 0.000 claims 2
- 239000000377 silicon dioxide Substances 0.000 claims 2
- 229920001577 copolymer Polymers 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 9
- 239000010791 domestic waste Substances 0.000 abstract description 4
- 229920001131 Pulp (paper) Polymers 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 16
- 210000000038 chest Anatomy 0.000 description 13
- 229920005989 resin Polymers 0.000 description 12
- 239000011347 resin Substances 0.000 description 12
- 230000009467 reduction Effects 0.000 description 11
- 239000000976 ink Substances 0.000 description 10
- 238000004537 pulping Methods 0.000 description 10
- 238000004064 recycling Methods 0.000 description 9
- 238000005406 washing Methods 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 7
- 230000002255 enzymatic effect Effects 0.000 description 7
- 238000012216 screening Methods 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 6
- 239000000654 additive Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000002761 deinking Substances 0.000 description 6
- 238000004061 bleaching Methods 0.000 description 5
- 229940040461 lipase Drugs 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 239000012943 hotmelt Substances 0.000 description 4
- 230000002209 hydrophobic effect Effects 0.000 description 4
- 229920002689 polyvinyl acetate Polymers 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920001195 polyisoprene Polymers 0.000 description 3
- 239000011118 polyvinyl acetate Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 description 3
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 3
- 102000019280 Pancreatic lipases Human genes 0.000 description 2
- 108050006759 Pancreatic lipases Proteins 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 229920006317 cationic polymer Polymers 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- BLCTWBJQROOONQ-UHFFFAOYSA-N ethenyl prop-2-enoate Chemical class C=COC(=O)C=C BLCTWBJQROOONQ-UHFFFAOYSA-N 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 229940116369 pancreatic lipase Drugs 0.000 description 2
- 238000011197 physicochemical method Methods 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000013055 pulp slurry Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- FEIQOMCWGDNMHM-UHFFFAOYSA-N 5-phenylpenta-2,4-dienoic acid Chemical class OC(=O)C=CC=CC1=CC=CC=C1 FEIQOMCWGDNMHM-UHFFFAOYSA-N 0.000 description 1
- PDBXHPORMXSXKO-UHFFFAOYSA-N 8-benzyl-7-[2-[ethyl(2-hydroxyethyl)amino]ethyl]-1,3-dimethylpurine-2,6-dione;hydron;chloride Chemical compound Cl.N=1C=2N(C)C(=O)N(C)C(=O)C=2N(CCN(CCO)CC)C=1CC1=CC=CC=C1 PDBXHPORMXSXKO-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 108010059892 Cellulase Proteins 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 239000004366 Glucose oxidase Substances 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 108010029182 Pectin lyase Proteins 0.000 description 1
- 108700020962 Peroxidase Proteins 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 229940106157 cellulase Drugs 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 238000011284 combination treatment Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009300 dissolved air flotation Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 229940116332 glucose oxidase Drugs 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- HXHCOXPZCUFAJI-UHFFFAOYSA-N prop-2-enoic acid;styrene Chemical class OC(=O)C=C.C=CC1=CC=CC=C1 HXHCOXPZCUFAJI-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/02—Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control
-
- 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
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/22—Proteins
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
- D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
- D21H17/45—Nitrogen-containing groups
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/76—Processes or apparatus for adding material to the pulp or to the paper characterised by choice of auxiliary compounds which are added separately from at least one other compound, e.g. to improve the incorporation of the latter or to obtain an enhanced combined effect
- D21H23/765—Addition of all compounds to the pulp
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/936,039 | 2004-09-08 | ||
| US10/936,039 US20060048908A1 (en) | 2004-09-08 | 2004-09-08 | System for control of stickies in recovered and virgin paper processing |
| PCT/US2005/032487 WO2006029404A1 (fr) | 2004-09-08 | 2005-09-08 | Systeme de lutte contre les impuretes collantes lors du traitement du papier recupere et vierge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2579510A1 true CA2579510A1 (fr) | 2006-03-16 |
Family
ID=35395580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002579510A Abandoned CA2579510A1 (fr) | 2004-09-08 | 2005-09-08 | Systeme de lutte contre les impuretes collantes lors du traitement du papier recupere et vierge |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20060048908A1 (fr) |
| EP (1) | EP1802806A1 (fr) |
| CA (1) | CA2579510A1 (fr) |
| WO (1) | WO2006029404A1 (fr) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070029059A1 (en) * | 2005-08-08 | 2007-02-08 | Yassin Elgarhy | Enzymatic opacifying composition for paper, pulp or paperboard, processes using same and pulp, paper or paperboard produced therefrom |
| ATE504689T1 (de) * | 2006-11-06 | 2011-04-15 | Hercules Inc | Kontrolle von harzablagerungen und klebenden verunreinigungen in zellstoff- und papierherstellungsverfahren |
| SI1975310T1 (sl) * | 2007-03-21 | 2012-06-29 | Omya Development Ag | Postopek za nadzorovanje smole |
| DK1974807T3 (da) * | 2007-03-21 | 2010-06-14 | Omya Development Ag | Fremgangsmåde til fjernelse af endokrint forstyrrende forbindelser |
| PT1982759E (pt) * | 2007-03-21 | 2011-12-23 | Omya Development Ag | Carbonato de cálcio com superfície tratada e sua utilização no tratamento de água residual |
| PT1974806E (pt) * | 2007-03-21 | 2012-01-03 | Omya Development Ag | Processo para a purificação de água |
| US20090084510A1 (en) * | 2007-05-16 | 2009-04-02 | Buckman Laboratories International, Inc. | Methods To Detect Organic Contaminants In Pulp and Fiber |
| US7674355B2 (en) * | 2007-05-18 | 2010-03-09 | Doshi & Associates, Inc. | Method of measuring macro and micro stickies in a recycled sample containing pulp fibers |
| ES2324739T3 (es) * | 2007-06-15 | 2009-08-13 | Omya Development Ag | Carbonato calcico tratado mediante reaccion superficial en combinacion con adsorbente hidrofobico para el tratamiento de aguas. |
| FI20075638A0 (fi) * | 2007-09-13 | 2007-09-13 | Linde Ag | Tarttuvan pihkan poistaminen massasuspensiosta, rejektin kalsiumyhdisteiden vähentäminen ja hiilidioksidin käyttö paperinvalmistuksessa |
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| ATE389052T1 (de) * | 2001-04-20 | 2008-03-15 | Enzymatic Deinking Technologie | Triglycerid-schnellbestimmungsverfahren zur anwendung bei der verhinderung von pechausscheidungen aus pulpen |
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- 2004-09-08 US US10/936,039 patent/US20060048908A1/en not_active Abandoned
-
2005
- 2005-09-08 WO PCT/US2005/032487 patent/WO2006029404A1/fr active Application Filing
- 2005-09-08 EP EP05795130A patent/EP1802806A1/fr not_active Withdrawn
- 2005-09-08 CA CA002579510A patent/CA2579510A1/fr not_active Abandoned
Also Published As
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|---|---|
| WO2006029404A1 (fr) | 2006-03-16 |
| EP1802806A1 (fr) | 2007-07-04 |
| US20060048908A1 (en) | 2006-03-09 |
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