CZ286131B6 - Aminoalkandifosfonové kyseliny v bělení buničiny - Google Patents
Aminoalkandifosfonové kyseliny v bělení buničiny Download PDFInfo
- Publication number
- CZ286131B6 CZ286131B6 CZ19961212A CZ121296A CZ286131B6 CZ 286131 B6 CZ286131 B6 CZ 286131B6 CZ 19961212 A CZ19961212 A CZ 19961212A CZ 121296 A CZ121296 A CZ 121296A CZ 286131 B6 CZ286131 B6 CZ 286131B6
- Authority
- CZ
- Czechia
- Prior art keywords
- pulp
- bleaching
- hydrogen
- hydrogen peroxide
- dtpa
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 title claims abstract description 77
- 229920002678 cellulose Polymers 0.000 title abstract 6
- 239000001913 cellulose Substances 0.000 title abstract 6
- 239000002253 acid Substances 0.000 title description 9
- 150000007513 acids Chemical class 0.000 title description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000000034 method Methods 0.000 claims abstract description 44
- 239000002738 chelating agent Substances 0.000 claims abstract description 33
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 claims description 37
- 229920001131 Pulp (paper) Polymers 0.000 claims description 20
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 14
- 239000000654 additive Substances 0.000 claims description 14
- 239000001257 hydrogen Substances 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 239000007844 bleaching agent Substances 0.000 claims description 9
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 8
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 8
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 7
- 230000000996 additive effect Effects 0.000 claims description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 4
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 4
- -1 piperidino, pyrrolidino Chemical group 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- 230000010736 Chelating Activity Effects 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 150000001340 alkali metals Chemical group 0.000 claims description 3
- 125000004573 morpholin-4-yl group Chemical group N1(CCOCC1)* 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 3
- 125000005037 alkyl phenyl group Chemical group 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- DUYCTCQXNHFCSJ-UHFFFAOYSA-N dtpmp Chemical compound OP(=O)(O)CN(CP(O)(O)=O)CCN(CP(O)(=O)O)CCN(CP(O)(O)=O)CP(O)(O)=O DUYCTCQXNHFCSJ-UHFFFAOYSA-N 0.000 claims description 2
- 125000004429 atom Chemical group 0.000 claims 1
- 125000000753 cycloalkyl group Chemical group 0.000 claims 1
- 238000002203 pretreatment Methods 0.000 abstract description 4
- 238000009897 hydrogen peroxide bleaching Methods 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract 2
- 238000012360 testing method Methods 0.000 description 42
- 229960003330 pentetic acid Drugs 0.000 description 36
- 150000002978 peroxides Chemical class 0.000 description 19
- 150000001875 compounds Chemical class 0.000 description 18
- 235000019353 potassium silicate Nutrition 0.000 description 17
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 17
- 238000004076 pulp bleaching Methods 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 12
- 239000001301 oxygen Substances 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 12
- 239000011572 manganese Substances 0.000 description 11
- 229910052748 manganese Inorganic materials 0.000 description 10
- 239000010802 sludge Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 239000011777 magnesium Substances 0.000 description 9
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 8
- 229910052749 magnesium Inorganic materials 0.000 description 8
- 239000003513 alkali Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000010865 sewage Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000005273 aeration Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000008139 complexing agent Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 239000002609 medium Substances 0.000 description 5
- 229910021645 metal ion Inorganic materials 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000006065 biodegradation reaction Methods 0.000 description 4
- 239000002054 inoculum Substances 0.000 description 4
- 239000002655 kraft paper Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000036284 oxygen consumption Effects 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- URDCARMUOSMFFI-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]ethyl-(2-hydroxyethyl)amino]acetic acid Chemical compound OCCN(CC(O)=O)CCN(CC(O)=O)CC(O)=O URDCARMUOSMFFI-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000872 buffer Substances 0.000 description 3
- 239000013522 chelant Substances 0.000 description 3
- 230000009918 complex formation Effects 0.000 description 3
- 238000010668 complexation reaction Methods 0.000 description 3
- 238000004042 decolorization Methods 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 239000008363 phosphate buffer Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 150000004760 silicates Chemical class 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- GPCTYPSWRBUGFH-UHFFFAOYSA-N (1-amino-1-phosphonoethyl)phosphonic acid Chemical compound OP(=O)(O)C(N)(C)P(O)(O)=O GPCTYPSWRBUGFH-UHFFFAOYSA-N 0.000 description 2
- 102100031260 Acyl-coenzyme A thioesterase THEM4 Human genes 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 2
- 101000638510 Homo sapiens Acyl-coenzyme A thioesterase THEM4 Proteins 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- BFDMEODWJJUORJ-UHFFFAOYSA-N [dimethylamino(phosphono)methyl]phosphonic acid Chemical compound CN(C)C(P(O)(O)=O)P(O)(O)=O BFDMEODWJJUORJ-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000003352 sequestering agent Substances 0.000 description 2
- BYMHXIQVEAYSJD-UHFFFAOYSA-M sodium;4-sulfophenolate Chemical compound [Na+].OC1=CC=C(S([O-])(=O)=O)C=C1 BYMHXIQVEAYSJD-UHFFFAOYSA-M 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- RAEOEMDZDMCHJA-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]ethyl-[2-[2-[bis(carboxymethyl)amino]ethyl-(carboxymethyl)amino]ethyl]amino]acetic acid Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CCN(CC(O)=O)CC(O)=O)CC(O)=O RAEOEMDZDMCHJA-UHFFFAOYSA-N 0.000 description 1
- OCUCCJIRFHNWBP-IYEMJOQQSA-L Copper gluconate Chemical class [Cu+2].OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O OCUCCJIRFHNWBP-IYEMJOQQSA-L 0.000 description 1
- 101000797623 Homo sapiens Protein AMBP Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 102100032859 Protein AMBP Human genes 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 1
- FRCICXIVPRNPLM-UHFFFAOYSA-N [amino(phosphono)methyl]phosphonic acid Chemical compound OP(=O)(O)C(N)P(O)(O)=O FRCICXIVPRNPLM-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- RUSUZAGBORAKPY-UHFFFAOYSA-N acetic acid;n'-[2-(2-aminoethylamino)ethyl]ethane-1,2-diamine Chemical compound CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O.NCCNCCNCCN RUSUZAGBORAKPY-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 125000006295 amino methylene group Chemical group [H]N(*)C([H])([H])* 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 231100000209 biodegradability test Toxicity 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229940090960 diethylenetriamine pentamethylene phosphonic acid Drugs 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 231100000584 environmental toxicity Toxicity 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 239000013074 reference sample Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/01—Hydrogen peroxide
- C01B15/037—Stabilisation by additives
-
- 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
- D21C9/1026—Other features in bleaching processes
- D21C9/1042—Use of chelating agents
-
- 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
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP93202989 | 1993-10-26 | ||
| EP94200728 | 1994-03-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CZ121296A3 CZ121296A3 (en) | 1996-12-11 |
| CZ286131B6 true CZ286131B6 (cs) | 2000-01-12 |
Family
ID=26134042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CZ19961212A CZ286131B6 (cs) | 1993-10-26 | 1994-10-26 | Aminoalkandifosfonové kyseliny v bělení buničiny |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US5641386A (enExample) |
| CN (1) | CN1054169C (enExample) |
| AT (1) | ATE165636T1 (enExample) |
| AU (1) | AU678631B2 (enExample) |
| BR (1) | BR9407905A (enExample) |
| CA (1) | CA2175062C (enExample) |
| CZ (1) | CZ286131B6 (enExample) |
| DE (1) | DE69409967T2 (enExample) |
| ES (1) | ES2118445T3 (enExample) |
| FI (1) | FI111965B (enExample) |
| NO (1) | NO961661D0 (enExample) |
| NZ (1) | NZ274840A (enExample) |
| RU (1) | RU2131491C1 (enExample) |
| TW (1) | TW272242B (enExample) |
| WO (1) | WO1995012029A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19528843A1 (de) * | 1995-08-04 | 1997-02-06 | Cht R Beitlich Gmbh | Verfahren zur Stabilisierung von alkalischen peroxidenthaltenden Bleichflotten für die Bleiche von Zellstoffen und anderen Faserstoffen |
| SE9604414D0 (sv) * | 1996-11-29 | 1996-11-29 | Eka Chemicals Ab | Chemical composition |
| SE9604413D0 (sv) * | 1996-11-29 | 1996-11-29 | Eka Chemicals Ab | Chemical composition |
| US6555020B1 (en) * | 1998-10-29 | 2003-04-29 | Den-Mat Corporation | Stable tooth whitening gels containing high percentages of hydrogen peroxide |
| US7018510B2 (en) * | 2002-03-21 | 2006-03-28 | Council Of Scientific And Industrial Research | Process for bio-bleaching of Kraft pulp using bacterial consortia |
| SI2225175T1 (sl) | 2007-12-12 | 2013-04-30 | Akzo Nobel N.V. | Stabilizirane raztopine vodikovega peroksida |
| CN101265678B (zh) * | 2008-04-30 | 2010-12-01 | 江西科技师范学院 | 纸浆漂白中过氧化氢的稳定剂组合物 |
| CN103088699B (zh) * | 2008-06-20 | 2015-04-22 | 国际纸业公司 | 具有改良光学特性的组合物和记录片材 |
| CN105986499A (zh) * | 2015-02-28 | 2016-10-05 | 上海东升新材料有限公司 | 一种含可生物降解物质的螯合剂组合物及其制备方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3979385A (en) * | 1969-11-19 | 1976-09-07 | Henkel & Cie G.M.B.H. | 1-Aminoalkane-1,1-diphosphonic acids and their salts |
| US3899496A (en) * | 1970-10-06 | 1975-08-12 | Henkel & Cie Gmbh | Production of 1-aminoalkane-1,1-diphosphonic acids |
| BE795085A (fr) * | 1972-03-10 | 1973-05-29 | Benckiser Knapsack Gmbh | Procede de blanchiment de fibres cellulosiques seules ou en melange avec des fibres synthetiques |
| DE3338260C1 (de) * | 1983-10-21 | 1985-07-25 | Benckiser-Knapsack Gmbh, 6802 Ladenburg | Verfahren und Mittel zum Bleichen von Holzschliff |
| DE3531563A1 (de) * | 1985-09-04 | 1987-03-05 | Benckiser Knapsack Gmbh | Holzstoffbleiche |
| US4732650A (en) * | 1986-09-15 | 1988-03-22 | The Dow Chemical Company | Bleaching of cellulosic pulps using hydrogen peroxide |
| US4798652A (en) * | 1987-10-19 | 1989-01-17 | Peter Joyce | Peroxide bleaching of mechanical pulps |
| FR2622221A1 (fr) * | 1987-10-22 | 1989-04-28 | Atochem | Procede de blanchiment de pates |
| DE3739655A1 (de) * | 1987-11-23 | 1989-06-01 | Sued Chemie Ag | Bleichmittelzusatz |
| SU1567704A1 (ru) * | 1987-12-28 | 1990-05-30 | Ленинградская лесотехническая академия им.С.М.Кирова | Способ отбелки волокнистого полуфабриката высокого выхода |
| FR2629716B1 (fr) * | 1988-04-07 | 1991-07-19 | Sanofi Sa | Composition pharmaceutique pour administration orale a base d'un derive d'acide diphosphonique |
| EP0402335B2 (en) * | 1989-06-06 | 2001-03-14 | Eka Chemicals AB | Process for bleaching lignocellulose-containing pulps |
| US5208369A (en) * | 1991-05-31 | 1993-05-04 | The Dow Chemical Company | Degradable chelants having sulfonate groups, uses and compositions thereof |
| DE4128084A1 (de) * | 1991-08-24 | 1993-02-25 | Basf Ag | Verwendung von (beta)-alanin-n,n-diessigsaeure und deren alkalimetall- oder ammoniumsalzen als komplexbildner |
| DE4204915C2 (de) * | 1992-02-19 | 1995-09-28 | Benckiser Knapsack Ladenburg | Verfahren zur Wiederaufbereitung von Altpapier |
-
1994
- 1994-10-26 AU AU79927/94A patent/AU678631B2/en not_active Ceased
- 1994-10-26 CA CA002175062A patent/CA2175062C/en not_active Expired - Fee Related
- 1994-10-26 AT AT94930995T patent/ATE165636T1/de not_active IP Right Cessation
- 1994-10-26 NZ NZ274840A patent/NZ274840A/en unknown
- 1994-10-26 ES ES94930995T patent/ES2118445T3/es not_active Expired - Lifetime
- 1994-10-26 CN CN94193907A patent/CN1054169C/zh not_active Expired - Fee Related
- 1994-10-26 US US08/356,387 patent/US5641386A/en not_active Expired - Lifetime
- 1994-10-26 DE DE69409967T patent/DE69409967T2/de not_active Expired - Fee Related
- 1994-10-26 RU RU96110203A patent/RU2131491C1/ru active
- 1994-10-26 WO PCT/EP1994/003546 patent/WO1995012029A1/en not_active Ceased
- 1994-10-26 CZ CZ19961212A patent/CZ286131B6/cs not_active IP Right Cessation
- 1994-10-26 BR BR9407905A patent/BR9407905A/pt not_active IP Right Cessation
- 1994-11-10 TW TW083110413A patent/TW272242B/zh active
-
1996
- 1996-04-25 NO NO961661A patent/NO961661D0/no not_active Application Discontinuation
- 1996-04-25 FI FI961774A patent/FI111965B/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| FI961774A0 (fi) | 1996-04-25 |
| CA2175062A1 (en) | 1995-05-04 |
| AU678631B2 (en) | 1997-06-05 |
| WO1995012029A1 (en) | 1995-05-04 |
| NO961661L (no) | 1996-04-25 |
| BR9407905A (pt) | 1996-11-26 |
| FI111965B (fi) | 2003-10-15 |
| CN1054169C (zh) | 2000-07-05 |
| CN1133622A (zh) | 1996-10-16 |
| CZ121296A3 (en) | 1996-12-11 |
| AU7992794A (en) | 1995-05-22 |
| NZ274840A (en) | 1997-05-26 |
| CA2175062C (en) | 2004-07-20 |
| DE69409967T2 (de) | 1998-11-05 |
| ATE165636T1 (de) | 1998-05-15 |
| ES2118445T3 (es) | 1998-09-16 |
| RU2131491C1 (ru) | 1999-06-10 |
| DE69409967D1 (de) | 1998-06-04 |
| FI961774L (fi) | 1996-04-25 |
| NO961661D0 (no) | 1996-04-25 |
| US5641386A (en) | 1997-06-24 |
| TW272242B (enExample) | 1996-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5227022A (en) | Process for increasing pulp brightness with zeolites and easily decomposable organic chelating agents | |
| EP1934396B1 (en) | Bleaching of substrates | |
| NZ242466A (en) | Delignification of chemical pulp with a trace-metal complexing agent at a ph of 3 to 9, followed by bleaching with ozone then a peroxide | |
| CZ286131B6 (cs) | Aminoalkandifosfonové kyseliny v bělení buničiny | |
| US5885412A (en) | Inhibition of hydrogen peroxide decomposing enzymes during bleaching of cellulose fibers | |
| JPH11181690A (ja) | 繊維処理剤組成物 | |
| US5639348A (en) | Bleaching compositions comprising sulfamates and borates or gluconates and processes | |
| EP0842321B1 (de) | Verfahren zur stabilisierung von alkalischen peroxidenthaltenden bleichflotten für die bleiche von zellstoffen und anderen faserstoffen | |
| EP0882152B1 (en) | Process for bleaching of a high yield pulp | |
| GB2265392A (en) | Stabilization of peroxide bleach liquors | |
| EP0725854B1 (en) | Aminoalkane diphosphonic acids in pulp bleaching | |
| JP3616098B2 (ja) | パルプの漂白におけるアミノアルカンジホスホン酸 | |
| RU2747664C2 (ru) | Способ отбеливания бумажной массы | |
| MXPA03009081A (es) | Soluciones limpiadoras y blanqueadoras que contienen fosfatos y/o, acido fosforico y procesos mejorados de uso. | |
| RU2516846C2 (ru) | Композиция, cодержащая оксид кремния | |
| FI105932B (fi) | Menetelmä korkeasaanto- tai kierrätysmassan valkaisemiseksi | |
| US5645688A (en) | Bleaching compositions and processes employing sulfamates and polyaminocarboxylic acids | |
| CN118979373A (zh) | 一种生物基氧漂稳定剂及其制备方法和应用 | |
| KR100482289B1 (ko) | 과산화물 표백에 사용되는 안정제 조성물 및 과산화물 표백제의 안정화 방법 | |
| Virtapohja et al. | Fate of DTPA metal complexes during modern ozone and peroxide bleaching | |
| DE3534524A1 (de) | Verfahren zum bleichen und oxidieren von textilien | |
| Bishop | The Effects of Using Silicate and Borate in the Peroxide Bleaching of Mechanical Pulp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| IF00 | In force as of 2000-06-30 in czech republic | ||
| MM4A | Patent lapsed due to non-payment of fee |
Effective date: 20021026 |