CA2569848C - Methodes de blanchiment de la pate a papier - Google Patents
Methodes de blanchiment de la pate a papier Download PDFInfo
- Publication number
- CA2569848C CA2569848C CA2569848A CA2569848A CA2569848C CA 2569848 C CA2569848 C CA 2569848C CA 2569848 A CA2569848 A CA 2569848A CA 2569848 A CA2569848 A CA 2569848A CA 2569848 C CA2569848 C CA 2569848C
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- light
- bleaching
- treatment
- acid
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 95
- 238000004076 pulp bleaching Methods 0.000 title claims description 21
- 238000004061 bleaching Methods 0.000 claims abstract description 192
- 238000011282 treatment Methods 0.000 claims abstract description 126
- 238000010306 acid treatment Methods 0.000 claims abstract description 57
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 37
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 9
- 150000002978 peroxides Chemical class 0.000 claims abstract description 8
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 6
- 230000001678 irradiating effect Effects 0.000 claims abstract description 5
- 150000001875 compounds Chemical class 0.000 claims abstract description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 92
- 239000002253 acid Substances 0.000 claims description 50
- 229910052760 oxygen Inorganic materials 0.000 claims description 36
- 239000001301 oxygen Substances 0.000 claims description 34
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 33
- 239000013055 pulp slurry Substances 0.000 claims description 29
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 28
- 239000007789 gas Substances 0.000 claims description 26
- 230000002378 acidificating effect Effects 0.000 claims description 15
- 238000005406 washing Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 239000007800 oxidant agent Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000005562 fading Methods 0.000 abstract description 20
- 239000000126 substance Substances 0.000 abstract description 20
- 239000000460 chlorine Substances 0.000 abstract description 19
- 238000012360 testing method Methods 0.000 abstract description 19
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 17
- 229910052801 chlorine Inorganic materials 0.000 abstract description 17
- 238000002845 discoloration Methods 0.000 abstract description 15
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 75
- 239000000123 paper Substances 0.000 description 50
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 48
- 238000009897 hydrogen peroxide bleaching Methods 0.000 description 41
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 37
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 29
- 230000000052 comparative effect Effects 0.000 description 27
- 239000011121 hardwood Substances 0.000 description 24
- 210000000988 bone and bone Anatomy 0.000 description 22
- 239000002655 kraft paper Substances 0.000 description 19
- 239000004155 Chlorine dioxide Substances 0.000 description 16
- 235000019398 chlorine dioxide Nutrition 0.000 description 16
- 239000002002 slurry Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 238000010411 cooking Methods 0.000 description 14
- 239000000654 additive Substances 0.000 description 13
- 238000003756 stirring Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 10
- 241000196324 Embryophyta Species 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 230000007423 decrease Effects 0.000 description 8
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 8
- 229910052753 mercury Inorganic materials 0.000 description 8
- 229910052724 xenon Inorganic materials 0.000 description 8
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical class Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910021645 metal ion Inorganic materials 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 150000007513 acids Chemical class 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 238000004040 coloring Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 229920005610 lignin Polymers 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 239000011122 softwood Substances 0.000 description 5
- 239000013077 target material Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 239000006103 coloring component Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003623 enhancer Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000010979 pH adjustment Methods 0.000 description 4
- 238000004513 sizing Methods 0.000 description 4
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 239000007844 bleaching agent Substances 0.000 description 3
- 239000002738 chelating agent Substances 0.000 description 3
- 230000001143 conditioned effect Effects 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 235000011149 sulphuric acid Nutrition 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 229920003169 water-soluble polymer Polymers 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- 229920000881 Modified starch Polymers 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 235000011054 acetic acid Nutrition 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 235000015165 citric acid Nutrition 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- -1 iron ions Chemical class 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 235000019426 modified starch Nutrition 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 239000011087 paperboard Substances 0.000 description 2
- 238000001782 photodegradation Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 238000000518 rheometry Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- JNIQBPHJIAOMQU-FSIIMWSLSA-N (2s,3s,4s,5r)-2,3,4,5-tetrahydroxy-6-oxoheptanoic acid Chemical compound CC(=O)[C@H](O)[C@@H](O)[C@H](O)[C@H](O)C(O)=O JNIQBPHJIAOMQU-FSIIMWSLSA-N 0.000 description 1
- YAXWOADCWUUUNX-UHFFFAOYSA-N 1,2,2,3-tetramethylpiperidine Chemical compound CC1CCCN(C)C1(C)C YAXWOADCWUUUNX-UHFFFAOYSA-N 0.000 description 1
- RKMGAJGJIURJSJ-UHFFFAOYSA-N 2,2,6,6-Tetramethylpiperidine Substances CC1(C)CCCC(C)(C)N1 RKMGAJGJIURJSJ-UHFFFAOYSA-N 0.000 description 1
- WYMDDFRYORANCC-UHFFFAOYSA-N 2-[[3-[bis(carboxymethyl)amino]-2-hydroxypropyl]-(carboxymethyl)amino]acetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)CN(CC(O)=O)CC(O)=O WYMDDFRYORANCC-UHFFFAOYSA-N 0.000 description 1
- DTBDAFLSBDGPEA-UHFFFAOYSA-N 3-Methylquinoline Natural products C1=CC=CC2=CC(C)=CN=C21 DTBDAFLSBDGPEA-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 241000609240 Ambelania acida Species 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- 101710121765 Endo-1,4-beta-xylanase Proteins 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 240000000797 Hibiscus cannabinus Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004067 bulking agent Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 150000001924 cycloalkanes Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000017858 demethylation Effects 0.000 description 1
- 238000010520 demethylation reaction Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000006081 fluorescent whitening agent 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
- 239000013505 freshwater Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- XLSMFKSTNGKWQX-UHFFFAOYSA-N hydroxyacetone Chemical compound CC(=O)CO XLSMFKSTNGKWQX-UHFFFAOYSA-N 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 150000004045 organic chlorine compounds Chemical class 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 150000004967 organic peroxy acids Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003138 primary alcohols Chemical class 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229940045872 sodium percarbonate Drugs 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003911 water pollution Methods 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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
-
- 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
- D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
-
- 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004169367A JP4603298B2 (ja) | 2004-06-08 | 2004-06-08 | パルプの漂白方法 |
| JP2004-169367 | 2004-06-08 | ||
| JP2004-289267 | 2004-09-30 | ||
| JP2004289267A JP2006104587A (ja) | 2004-09-30 | 2004-09-30 | 高白色度化学パルプ及びその製造方法 |
| JP2005102558A JP2006283211A (ja) | 2005-03-31 | 2005-03-31 | 化学パルプの漂白方法 |
| JP2005-102558 | 2005-03-31 | ||
| JP2005-102615 | 2005-03-31 | ||
| JP2005102615A JP2006283213A (ja) | 2005-03-31 | 2005-03-31 | パルプの漂白方法及び漂白装置 |
| PCT/JP2005/010521 WO2005121442A1 (fr) | 2004-06-08 | 2005-06-08 | Méthode pour blanchir de la pâte |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2569848A1 CA2569848A1 (fr) | 2005-12-22 |
| CA2569848C true CA2569848C (fr) | 2011-05-10 |
Family
ID=35503100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2569848A Expired - Fee Related CA2569848C (fr) | 2004-06-08 | 2005-06-08 | Methodes de blanchiment de la pate a papier |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20070246176A1 (fr) |
| EP (1) | EP1790771A4 (fr) |
| CA (1) | CA2569848C (fr) |
| WO (1) | WO2005121442A1 (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7914646B2 (en) | 2006-07-21 | 2011-03-29 | Nalco Company | Compositions and processes for paper production |
| AU2007316938B2 (en) * | 2006-11-09 | 2011-10-06 | Oci Nitrogen B.V. | Process for the preparation of a panel |
| FR2910027B1 (fr) * | 2006-12-13 | 2009-11-06 | Itt Mfg Enterprises Inc | Procede de blanchiment des pates papeteries chimiques par traitement final a l'ozone a haute temperature |
| US7867358B2 (en) * | 2008-04-30 | 2011-01-11 | Xyleco, Inc. | Paper products and methods and systems for manufacturing such products |
| US7867359B2 (en) | 2008-04-30 | 2011-01-11 | Xyleco, Inc. | Functionalizing cellulosic and lignocellulosic materials |
| ES2456271T3 (es) | 2008-06-20 | 2014-04-21 | International Paper Company | Composición y hoja de registro con propiedades ópticas mejoradas |
| JP5938979B2 (ja) * | 2012-03-23 | 2016-06-22 | 日本製紙株式会社 | 植物系原料の処理方法 |
| CN104372704A (zh) * | 2014-09-15 | 2015-02-25 | 岳阳林纸股份有限公司 | 一种化学机械浆h2o2+oba接力助漂方法 |
| US10143993B2 (en) * | 2015-08-18 | 2018-12-04 | Lam Research Corporation | Radical generator and method for generating ammonia radicals |
| JP6992760B2 (ja) * | 2016-09-30 | 2022-01-13 | 王子ホールディングス株式会社 | パルプ、スラリー、シート、積層体及びパルプの製造方法 |
| CN115110329A (zh) * | 2022-06-28 | 2022-09-27 | 中国制浆造纸研究院有限公司 | 一种降低漂白段纸浆中金属含量和灰分含量的方法 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| UST989185I4 (fr) * | 1937-06-01 | |||
| US4294654A (en) * | 1980-03-21 | 1981-10-13 | International Paper Company | Delignification and bleaching of lignocellulosic pulp via photo-oxygenation |
| EP0112377B1 (fr) * | 1982-06-24 | 1986-11-12 | Scott Paper Company | Decoloration a l'ozone de materiaux cellulosiques |
| US5084344A (en) * | 1988-02-26 | 1992-01-28 | Mitsubishi Paper Mills Limited | Photographic support comprising a layer containing an electron beam hardened resin and white pigment of a thickness of 5-100 microns |
| WO1994002680A1 (fr) * | 1992-07-24 | 1994-02-03 | Kamyr, Inc. | Photoreacteur a hydrocyclone |
| JP2593392B2 (ja) * | 1992-10-20 | 1997-03-26 | 本州製紙株式会社 | パルプの漂白方法 |
| SE470538C (sv) * | 1992-12-02 | 1996-01-11 | Kvaerner Pulping Tech | Sätt vid blekning av massa utan användning av klorhaltiga kemikalier |
| US6776876B1 (en) * | 1994-10-13 | 2004-08-17 | Andritz Oy | Method of treating cellulosic pulp to remove hexenuronic acid |
| FI105701B (fi) * | 1995-10-20 | 2000-09-29 | Ahlstrom Machinery Oy | Menetelmä ja laitteisto massan käsittelemiseksi |
| JPH09241988A (ja) * | 1996-03-07 | 1997-09-16 | Mitsubishi Paper Mills Ltd | パルプのオゾン漂白方法 |
| WO1998011295A1 (fr) * | 1996-09-11 | 1998-03-19 | Solvay Interox (Societe Anonyme) | Procede de blanchiment de pate a papier |
| ES2209420T3 (es) * | 1998-04-17 | 2004-06-16 | Alberta Research Council, Inc. | Metodo de produccion de pulpa lignocelulosica a partir de especies no leñosas. |
| JP3787612B2 (ja) * | 2000-06-20 | 2006-06-21 | 独立行政法人産業技術総合研究所 | パルプ漂白方法 |
| JP3371228B2 (ja) * | 2000-06-20 | 2003-01-27 | 独立行政法人産業技術総合研究所 | パルプの漂白方法 |
| JP3368336B2 (ja) * | 2000-06-20 | 2003-01-20 | 独立行政法人産業技術総合研究所 | パルプ漂白方法 |
| JP4721308B2 (ja) * | 2001-02-06 | 2011-07-13 | 独立行政法人産業技術総合研究所 | セルロース誘導体の漂白法 |
| JP2003040607A (ja) * | 2001-07-31 | 2003-02-13 | Konpurasu Kk | オゾン発生装置 |
| JP2003165711A (ja) * | 2001-11-26 | 2003-06-10 | Wakomu Denso:Kk | オゾン発生装置 |
-
2005
- 2005-06-08 US US11/628,961 patent/US20070246176A1/en not_active Abandoned
- 2005-06-08 WO PCT/JP2005/010521 patent/WO2005121442A1/fr active Application Filing
- 2005-06-08 CA CA2569848A patent/CA2569848C/fr not_active Expired - Fee Related
- 2005-06-08 EP EP05748560A patent/EP1790771A4/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP1790771A4 (fr) | 2012-10-03 |
| EP1790771A1 (fr) | 2007-05-30 |
| WO2005121442A1 (fr) | 2005-12-22 |
| US20070246176A1 (en) | 2007-10-25 |
| CA2569848A1 (fr) | 2005-12-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20130610 |