NO791151L - Dispersjon til anvendelse ved cellulosefremstilling og fremgangsmaate til cellulosefremstilling under anvendelse av denne dispersjon - Google Patents
Dispersjon til anvendelse ved cellulosefremstilling og fremgangsmaate til cellulosefremstilling under anvendelse av denne dispersjonInfo
- Publication number
- NO791151L NO791151L NO791151A NO791151A NO791151L NO 791151 L NO791151 L NO 791151L NO 791151 A NO791151 A NO 791151A NO 791151 A NO791151 A NO 791151A NO 791151 L NO791151 L NO 791151L
- Authority
- NO
- Norway
- Prior art keywords
- dispersion
- dispersion according
- sodium
- anthraquinone
- solution
- Prior art date
Links
- 239000006185 dispersion Substances 0.000 title claims abstract description 137
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title description 6
- 239000001913 cellulose Substances 0.000 claims abstract description 51
- 229920002678 cellulose Polymers 0.000 claims abstract description 51
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 105
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 claims description 64
- 239000000126 substance Substances 0.000 claims description 55
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 claims description 38
- 229940076442 9,10-anthraquinone Drugs 0.000 claims description 38
- 239000000243 solution Substances 0.000 claims description 26
- 239000002270 dispersing agent Substances 0.000 claims description 24
- 150000001875 compounds Chemical class 0.000 claims description 21
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 21
- 239000012978 lignocellulosic material Substances 0.000 claims description 19
- 239000007864 aqueous solution Substances 0.000 claims description 18
- 239000000080 wetting agent Substances 0.000 claims description 17
- 125000004122 cyclic group Chemical group 0.000 claims description 15
- 239000008151 electrolyte solution Substances 0.000 claims description 14
- 239000003792 electrolyte Substances 0.000 claims description 13
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 239000002585 base Substances 0.000 claims description 11
- FRASJONUBLZVQX-UHFFFAOYSA-N 1,4-naphthoquinone Chemical compound C1=CC=C2C(=O)C=CC(=O)C2=C1 FRASJONUBLZVQX-UHFFFAOYSA-N 0.000 claims description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- 239000004133 Sodium thiosulphate Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 10
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 claims description 10
- 235000019345 sodium thiosulphate Nutrition 0.000 claims description 10
- 239000003513 alkali Substances 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 6
- 229920005610 lignin Polymers 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 5
- 125000000468 ketone group Chemical group 0.000 claims description 5
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 5
- 239000004289 sodium hydrogen sulphite Substances 0.000 claims description 5
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 5
- 235000010265 sodium sulphite Nutrition 0.000 claims description 5
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- LVGQIQHJMRUCRM-UHFFFAOYSA-L calcium bisulfite Chemical compound [Ca+2].OS([O-])=O.OS([O-])=O LVGQIQHJMRUCRM-UHFFFAOYSA-L 0.000 claims description 4
- 235000010260 calcium hydrogen sulphite Nutrition 0.000 claims description 4
- 150000004679 hydroxides Chemical class 0.000 claims description 4
- 229920000609 methyl cellulose Polymers 0.000 claims description 4
- 239000001923 methylcellulose Substances 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 235000017550 sodium carbonate Nutrition 0.000 claims description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims description 4
- 150000007513 acids Chemical class 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 239000006227 byproduct Substances 0.000 claims description 3
- LPHFLPKXBKBHRW-UHFFFAOYSA-L magnesium;hydrogen sulfite Chemical compound [Mg+2].OS([O-])=O.OS([O-])=O LPHFLPKXBKBHRW-UHFFFAOYSA-L 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 125000003367 polycyclic group Chemical group 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- 239000007784 solid electrolyte Substances 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- DPLVEEXVKBWGHE-UHFFFAOYSA-N potassium sulfide Chemical compound [S-2].[K+].[K+] DPLVEEXVKBWGHE-UHFFFAOYSA-N 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 150000004763 sulfides Chemical class 0.000 claims description 2
- 150000004764 thiosulfuric acid derivatives Chemical class 0.000 claims description 2
- 239000003925 fat Substances 0.000 claims 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 claims 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 34
- 150000004056 anthraquinones Chemical class 0.000 description 26
- 239000000203 mixture Substances 0.000 description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
- 239000007787 solid Substances 0.000 description 18
- 239000000654 additive Substances 0.000 description 17
- 229940021013 electrolyte solution Drugs 0.000 description 12
- 238000009826 distribution Methods 0.000 description 11
- 229910052783 alkali metal Inorganic materials 0.000 description 9
- 230000029087 digestion Effects 0.000 description 9
- 150000001340 alkali metals Chemical class 0.000 description 8
- 238000004061 bleaching Methods 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- 238000010411 cooking Methods 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 5
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 4
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 4
- 150000008041 alkali metal carbonates Chemical class 0.000 description 4
- 229930194542 Keto Natural products 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 229910052936 alkali metal sulfate Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 235000010981 methylcellulose Nutrition 0.000 description 3
- CQGDBBBZCJYDRY-UHFFFAOYSA-N 1-methoxyanthracene-9,10-dione Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2OC CQGDBBBZCJYDRY-UHFFFAOYSA-N 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- NJWGQARXZDRHCD-UHFFFAOYSA-N 2-methylanthraquinone Chemical compound C1=CC=C2C(=O)C3=CC(C)=CC=C3C(=O)C2=C1 NJWGQARXZDRHCD-UHFFFAOYSA-N 0.000 description 2
- PCFMUWBCZZUMRX-UHFFFAOYSA-N 9,10-Dihydroxyanthracene Chemical compound C1=CC=C2C(O)=C(C=CC=C3)C3=C(O)C2=C1 PCFMUWBCZZUMRX-UHFFFAOYSA-N 0.000 description 2
- 241000609240 Ambelania acida Species 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 238000005698 Diels-Alder reaction Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- 229920001732 Lignosulfonate Polymers 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 2
- 239000010905 bagasse Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- -1 bisulphites Chemical class 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- UBZAFMFVKZCUHC-UHFFFAOYSA-N 1,3-dimethyl-1,4,4a,9a-tetrahydroanthracene-9,10-dione Chemical compound C1=CC=C2C(=O)C3CC(C)=CC(C)C3C(=O)C2=C1 UBZAFMFVKZCUHC-UHFFFAOYSA-N 0.000 description 1
- XPCZSIPRUSOJFO-UHFFFAOYSA-N 1,4,4a,9a-tetrahydroanthracene-9,10-dione Chemical compound O=C1C2=CC=CC=C2C(=O)C2C1CC=CC2 XPCZSIPRUSOJFO-UHFFFAOYSA-N 0.000 description 1
- XGVLKZBDQXJEBB-UHFFFAOYSA-N 2,3,6,7-tetramethyl-1,4,4a,5,8,8a,9a,10a-octahydroanthracene-9,10-dione Chemical compound C1C(C)=C(C)CC2C(=O)C3CC(C)=C(C)CC3C(=O)C21 XGVLKZBDQXJEBB-UHFFFAOYSA-N 0.000 description 1
- KIJPZYXCIHZVGP-UHFFFAOYSA-N 2,3-dimethylanthracene-9,10-dione Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=C(C)C(C)=C2 KIJPZYXCIHZVGP-UHFFFAOYSA-N 0.000 description 1
- JQQLIJAFGKWFOY-UHFFFAOYSA-N 2,6-dimethylanthracene-9,10-dione Chemical compound CC1=CC=C2C(=O)C3=CC(C)=CC=C3C(=O)C2=C1 JQQLIJAFGKWFOY-UHFFFAOYSA-N 0.000 description 1
- RATJDSXPVPAWJJ-UHFFFAOYSA-N 2,7-dimethylanthracene-9,10-dione Chemical compound C1=C(C)C=C2C(=O)C3=CC(C)=CC=C3C(=O)C2=C1 RATJDSXPVPAWJJ-UHFFFAOYSA-N 0.000 description 1
- XOGPDSATLSAZEK-UHFFFAOYSA-N 2-Aminoanthraquinone Chemical compound C1=CC=C2C(=O)C3=CC(N)=CC=C3C(=O)C2=C1 XOGPDSATLSAZEK-UHFFFAOYSA-N 0.000 description 1
- DLIVBMRBFQRLKC-UHFFFAOYSA-N 2-ethyl-1,4,4a,9a-tetrahydroanthracene-9,10-dione Chemical compound C1=CC=C2C(=O)C3CC=C(CC)CC3C(=O)C2=C1 DLIVBMRBFQRLKC-UHFFFAOYSA-N 0.000 description 1
- SJEBAWHUJDUKQK-UHFFFAOYSA-N 2-ethylanthraquinone Chemical compound C1=CC=C2C(=O)C3=CC(CC)=CC=C3C(=O)C2=C1 SJEBAWHUJDUKQK-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 239000004117 Lignosulphonate Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052977 alkali metal sulfide Inorganic materials 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 125000003282 alkyl amino group Chemical group 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 235000021028 berry Nutrition 0.000 description 1
- 125000002619 bicyclic group Chemical group 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 150000001717 carbocyclic compounds Chemical class 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012084 conversion product Substances 0.000 description 1
- 150000001923 cyclic compounds Chemical class 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 235000019357 lignosulphonate Nutrition 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- JESHZQPNPCJVNG-UHFFFAOYSA-L magnesium;sulfite Chemical compound [Mg+2].[O-]S([O-])=O JESHZQPNPCJVNG-UHFFFAOYSA-L 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229920003169 water-soluble polymer Polymers 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
Landscapes
- Paper (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782816473 DE2816473A1 (de) | 1978-04-15 | 1978-04-15 | Dispersion zur verwendung bei der zellstoffgewinnung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO791151L true NO791151L (no) | 1979-10-16 |
Family
ID=6037102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO791151A NO791151L (no) | 1978-04-15 | 1979-04-05 | Dispersjon til anvendelse ved cellulosefremstilling og fremgangsmaate til cellulosefremstilling under anvendelse av denne dispersjon |
Country Status (17)
| Country | Link |
|---|---|
| EP (1) | EP0004928B1 (es) |
| JP (1) | JPS54138603A (es) |
| AR (1) | AR220189A1 (es) |
| AT (1) | AT372716B (es) |
| AU (1) | AU4607679A (es) |
| BR (1) | BR7902259A (es) |
| CA (1) | CA1136808A (es) |
| DE (2) | DE2816473A1 (es) |
| ES (1) | ES479476A1 (es) |
| FI (1) | FI64668C (es) |
| IN (1) | IN150690B (es) |
| NO (1) | NO791151L (es) |
| NZ (1) | NZ190182A (es) |
| PH (1) | PH14724A (es) |
| PT (1) | PT69477A (es) |
| TR (1) | TR20509A (es) |
| ZA (1) | ZA791770B (es) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2827111A1 (de) * | 1978-06-21 | 1980-01-10 | Bayer Ag | Mittel zur verwendung bei der zellstoffgewinnung |
| NZ204262A (en) * | 1982-06-02 | 1986-10-08 | Champion Int Corp | Kraft and alkaline pulping processes using synergistic composition to enhance pulp yield |
| JPS6197492A (ja) * | 1984-10-18 | 1986-05-15 | 川崎化成工業株式会社 | 高濃度パルプ蒸解助剤水溶液 |
| WO1995029288A1 (en) * | 1994-04-26 | 1995-11-02 | Harima Chemicals, Inc. | Pulp digestion aid |
| RU2287035C1 (ru) * | 2005-03-09 | 2006-11-10 | Государственное образовательное учреждение высшего профессионального образования Уральский государственный лесотехнический университет | Способ получения целлюлозы |
| RU2287036C1 (ru) * | 2005-03-09 | 2006-11-10 | Государственное образовательное учреждение высшего профессионального образования Уральский государственный лесотехнический университет | Способ получения целлюлозосодержащего материала |
| WO2026015916A1 (de) | 2024-07-17 | 2026-01-22 | Mondi Ag | Verfahren zur wiederverwertung verbrauchter elektrolyten aus redox-flow-batterien |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2049567A (en) * | 1934-06-05 | 1936-08-04 | Du Pont | Manufacture of paper pulp |
| US3147179A (en) * | 1959-06-26 | 1964-09-01 | St Joe Paper Company | Pulping processes |
| US3446700A (en) * | 1966-03-07 | 1969-05-27 | Diamond Shamrock Corp | Process for cooking woodchips with a liquor containing condensation product of vicinal epoxide and phenol |
| DE2407620C3 (de) * | 1974-02-16 | 1979-05-03 | Chemische Werke Huels Ag, 4370 Marl | Verfahren zur Herstellung von stabilen wäßrigen Dispersionen |
| SE384883B (sv) * | 1974-09-06 | 1976-05-24 | Kopparfors Ab | Sett att oka cellulosautbytet vid sulfitkokning av ved |
-
1978
- 1978-04-15 DE DE19782816473 patent/DE2816473A1/de not_active Withdrawn
-
1979
- 1979-03-16 IN IN177/DEL/79A patent/IN150690B/en unknown
- 1979-04-05 NO NO791151A patent/NO791151L/no unknown
- 1979-04-05 PH PH22355A patent/PH14724A/en unknown
- 1979-04-09 DE DE7979101084T patent/DE2960241D1/de not_active Expired
- 1979-04-09 EP EP79101084A patent/EP0004928B1/de not_active Expired
- 1979-04-10 ES ES479476A patent/ES479476A1/es not_active Expired
- 1979-04-11 AR AR276157A patent/AR220189A1/es active
- 1979-04-11 PT PT69477A patent/PT69477A/pt unknown
- 1979-04-11 BR BR7902259A patent/BR7902259A/pt unknown
- 1979-04-12 NZ NZ190182A patent/NZ190182A/xx unknown
- 1979-04-12 FI FI791211A patent/FI64668C/fi not_active IP Right Cessation
- 1979-04-12 ZA ZA791770A patent/ZA791770B/xx unknown
- 1979-04-12 CA CA000325807A patent/CA1136808A/en not_active Expired
- 1979-04-13 TR TR20509A patent/TR20509A/xx unknown
- 1979-04-13 JP JP4446379A patent/JPS54138603A/ja active Pending
- 1979-04-13 AT AT0280179A patent/AT372716B/de not_active IP Right Cessation
- 1979-04-17 AU AU46076/79A patent/AU4607679A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54138603A (en) | 1979-10-27 |
| EP0004928A1 (de) | 1979-10-31 |
| FI64668C (fi) | 1983-12-12 |
| EP0004928B1 (de) | 1981-04-08 |
| AU4607679A (en) | 1979-10-25 |
| IN150690B (es) | 1982-11-20 |
| AT372716B (de) | 1983-11-10 |
| ATA280179A (de) | 1983-03-15 |
| ES479476A1 (es) | 1979-07-16 |
| FI64668B (fi) | 1983-08-31 |
| DE2816473A1 (de) | 1979-10-25 |
| DE2960241D1 (en) | 1981-04-30 |
| ZA791770B (en) | 1980-05-28 |
| NZ190182A (en) | 1981-07-13 |
| BR7902259A (pt) | 1979-12-11 |
| CA1136808A (en) | 1982-12-07 |
| AR220189A1 (es) | 1980-10-15 |
| TR20509A (tr) | 1981-09-03 |
| PH14724A (en) | 1981-11-13 |
| FI791211A7 (fi) | 1979-10-16 |
| PT69477A (pt) | 1979-05-01 |
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