CA1252258A - Levage de la pate brute - Google Patents

Levage de la pate brute

Info

Publication number: CA1252258A
Authority: CA; Canada
Prior art keywords: pulp; solvent; dispersant; mat; carboxy
Prior art date: 1984-09-19
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

Application number

CA000479010A

Other languages

English (en)

Inventor

James E. Maloney

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Henkel Corp

Original Assignee

Henkel Corp

Priority date (The priority date 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 date listed.)

1984-09-19

Filing date

1985-04-12

Publication date

1989-04-11

1985-04-12 Application filed by Henkel Corp filed Critical Henkel Corp

1989-04-11 Application granted granted Critical

1989-04-11 Publication of CA1252258A publication Critical patent/CA1252258A/fr

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 56
238000005406 washing Methods 0.000 title claims abstract description 27
238000010411 cooking Methods 0.000 claims abstract description 35
239000002270 dispersing agent Substances 0.000 claims abstract description 26
239000002904 solvent Substances 0.000 claims abstract description 23
238000004537 pulping Methods 0.000 claims abstract description 22
239000000835 fiber Substances 0.000 claims abstract description 12
239000002736 nonionic surfactant Substances 0.000 claims abstract description 12
229920000867 polyelectrolyte Polymers 0.000 claims abstract description 11
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
239000000203 mixture Substances 0.000 claims description 27
239000000356 contaminant Substances 0.000 claims description 17
150000001875 compounds Chemical class 0.000 claims description 15
229920001577 copolymer Polymers 0.000 claims description 11
239000004094 surface-active agent Substances 0.000 claims description 11
229910052739 hydrogen Inorganic materials 0.000 claims description 10
239000001257 hydrogen Substances 0.000 claims description 10
239000007864 aqueous solution Substances 0.000 claims description 9
125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 9
-1 carboxy, acetyl Chemical class 0.000 claims description 8
VIBDJEWPNNCFQO-UHFFFAOYSA-N ethane-1,1,2-triol Chemical class OCC(O)O VIBDJEWPNNCFQO-UHFFFAOYSA-N 0.000 claims description 7
125000005157 alkyl carboxy group Chemical group 0.000 claims description 6
OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 5
239000001089 [(2R)-oxolan-2-yl]methanol Substances 0.000 claims description 5
239000011976 maleic acid Substances 0.000 claims description 5
239000000178 monomer Substances 0.000 claims description 5
BSYVTEYKTMYBMK-UHFFFAOYSA-N tetrahydrofurfuryl alcohol Chemical group OCC1CCCO1 BSYVTEYKTMYBMK-UHFFFAOYSA-N 0.000 claims description 5
VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 5
125000000217 alkyl group Chemical group 0.000 claims description 4
229920000058 polyacrylate Polymers 0.000 claims description 4
VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 3
150000003254 radicals Chemical class 0.000 claims description 3
239000000243 solution Substances 0.000 claims description 3
150000002431 hydrogen Chemical class 0.000 claims 6
229940070721 polyacrylate Drugs 0.000 claims 4
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 2
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 2
XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims 2
125000001183 hydrocarbyl group Chemical class 0.000 claims 2
229910021645 metal ion Inorganic materials 0.000 claims 2
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 2
150000003839 salts Chemical class 0.000 claims 2
238000005507 spraying Methods 0.000 claims 1
239000000126 substance Substances 0.000 abstract description 41
238000011084 recovery Methods 0.000 abstract description 9
239000007787 solid Substances 0.000 description 28
239000000654 additive Substances 0.000 description 24
230000000996 additive effect Effects 0.000 description 18
230000008569 process Effects 0.000 description 12
239000002253 acid Substances 0.000 description 11
239000002023 wood Substances 0.000 description 9
239000000463 material Substances 0.000 description 8
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 7
239000000706 filtrate Substances 0.000 description 7
239000012535 impurity Substances 0.000 description 7
238000004519 manufacturing process Methods 0.000 description 7
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
229920002125 Sokalan® Polymers 0.000 description 6
PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
150000007513 acids Chemical class 0.000 description 6
229920000642 polymer Polymers 0.000 description 6
238000010790 dilution Methods 0.000 description 5
239000012895 dilution Substances 0.000 description 5
229920005610 lignin Polymers 0.000 description 5
239000002609 medium Substances 0.000 description 5
239000004584 polyacrylic acid Substances 0.000 description 5
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
230000009471 action Effects 0.000 description 4
229920001444 polymaleic acid Polymers 0.000 description 4
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
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 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
125000001931 aliphatic group Chemical group 0.000 description 3
239000011575 calcium Substances 0.000 description 3
229910052791 calcium Inorganic materials 0.000 description 3
230000003247 decreasing effect Effects 0.000 description 3
MHDVGSVTJDSBDK-UHFFFAOYSA-N dibenzyl ether Chemical group C=1C=CC=CC=1COCC1=CC=CC=C1 MHDVGSVTJDSBDK-UHFFFAOYSA-N 0.000 description 3
235000014113 dietary fatty acids Nutrition 0.000 description 3
230000029087 digestion Effects 0.000 description 3
230000000694 effects Effects 0.000 description 3
125000001033 ether group Chemical group 0.000 description 3
239000012632 extractable Substances 0.000 description 3
239000000194 fatty acid Substances 0.000 description 3
229930195729 fatty acid Natural products 0.000 description 3
150000004665 fatty acids Chemical class 0.000 description 3
230000005484 gravity Effects 0.000 description 3
239000002655 kraft paper Substances 0.000 description 3
239000007788 liquid Substances 0.000 description 3
230000009467 reduction Effects 0.000 description 3
239000011347 resin Substances 0.000 description 3
229920005989 resin Polymers 0.000 description 3
VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
239000000344 soap Substances 0.000 description 3
239000011734 sodium Substances 0.000 description 3
229910052708 sodium Inorganic materials 0.000 description 3
238000012360 testing method Methods 0.000 description 3
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
229920002845 Poly(methacrylic acid) Polymers 0.000 description 2
229920001131 Pulp (paper) Polymers 0.000 description 2
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
125000002947 alkylene group Chemical group 0.000 description 2
238000004458 analytical method Methods 0.000 description 2
239000008346 aqueous phase Substances 0.000 description 2
230000009286 beneficial effect Effects 0.000 description 2
238000004061 bleaching Methods 0.000 description 2
125000004432 carbon atom Chemical group C* 0.000 description 2
239000002761 deinking Substances 0.000 description 2
239000008394 flocculating agent Substances 0.000 description 2
150000002430 hydrocarbons Chemical group 0.000 description 2
125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
239000007791 liquid phase Substances 0.000 description 2
239000011777 magnesium Substances 0.000 description 2
229910052749 magnesium Inorganic materials 0.000 description 2
235000001055 magnesium Nutrition 0.000 description 2
229940091250 magnesium supplement Drugs 0.000 description 2
229920003145 methacrylic acid copolymer Polymers 0.000 description 2
LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 2
238000012545 processing Methods 0.000 description 2
239000000047 product Substances 0.000 description 2
239000000377 silicon dioxide Substances 0.000 description 2
238000003860 storage Methods 0.000 description 2
238000012546 transfer Methods 0.000 description 2
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
239000004215 Carbon black (E152) Substances 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
102100040428 Chitobiosyldiphosphodolichol beta-mannosyltransferase Human genes 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 description 1
IAJILQKETJEXLJ-UHFFFAOYSA-N Galacturonsaeure Natural products O=CC(O)C(O)C(O)C(O)C(O)=O IAJILQKETJEXLJ-UHFFFAOYSA-N 0.000 description 1
WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
241001527806 Iti Species 0.000 description 1
229920001732 Lignosulfonate Polymers 0.000 description 1
CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
238000000692 Student's t-test Methods 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
229920002522 Wood fibre Polymers 0.000 description 1
125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
229920006322 acrylamide copolymer Polymers 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
IAJILQKETJEXLJ-QTBDOELSSA-N aldehydo-D-glucuronic acid Chemical compound O=C[C@H](O)[C@@H](O)[C@H](O)[C@H](O)C(O)=O IAJILQKETJEXLJ-QTBDOELSSA-N 0.000 description 1
PYMYPHUHKUWMLA-VPENINKCSA-N aldehydo-D-xylose Chemical compound OC[C@@H](O)[C@H](O)[C@@H](O)C=O PYMYPHUHKUWMLA-VPENINKCSA-N 0.000 description 1
239000003513 alkali Substances 0.000 description 1
WQZGKKKJIJFFOK-PHYPRBDBSA-N alpha-D-galactose Chemical compound OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@H]1O WQZGKKKJIJFFOK-PHYPRBDBSA-N 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
150000001408 amides Chemical class 0.000 description 1
229910021529 ammonia Inorganic materials 0.000 description 1
239000012736 aqueous medium Substances 0.000 description 1
PYMYPHUHKUWMLA-WDCZJNDASA-N arabinose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)C=O PYMYPHUHKUWMLA-WDCZJNDASA-N 0.000 description 1
PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 description 1
125000003118 aryl group Chemical group 0.000 description 1
239000012298 atmosphere Substances 0.000 description 1
229910052788 barium Inorganic materials 0.000 description 1
DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 description 1
WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
150000001768 cations Chemical class 0.000 description 1
230000005465 channeling Effects 0.000 description 1
238000001311 chemical methods and process Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
229910052681 coesite Inorganic materials 0.000 description 1
239000006184 cosolvent Substances 0.000 description 1
229910052906 cristobalite Inorganic materials 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
238000009792 diffusion process Methods 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
238000004821 distillation Methods 0.000 description 1
LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
238000000605 extraction Methods 0.000 description 1
239000006260 foam Substances 0.000 description 1
238000005187 foaming Methods 0.000 description 1
239000013505 freshwater Substances 0.000 description 1
125000000524 functional group Chemical group 0.000 description 1
229930182830 galactose Natural products 0.000 description 1
239000008103 glucose Substances 0.000 description 1
229940097043 glucuronic acid Drugs 0.000 description 1
150000004676 glycans Polymers 0.000 description 1
239000011121 hardwood Substances 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
150000001261 hydroxy acids Chemical class 0.000 description 1
125000004356 hydroxy functional group Chemical group O* 0.000 description 1
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
230000006872 improvement Effects 0.000 description 1
239000011630 iodine Substances 0.000 description 1
229910052740 iodine Inorganic materials 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
150000002596 lactones Chemical class 0.000 description 1
238000012417 linear regression Methods 0.000 description 1
238000010297 mechanical methods and process Methods 0.000 description 1
230000005226 mechanical processes and functions Effects 0.000 description 1
125000002950 monocyclic group Chemical group 0.000 description 1
150000002772 monosaccharides Chemical class 0.000 description 1
ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid group Chemical group C(CCCCCCC\C=C/CCCCCCCC)(=O)O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
150000002482 oligosaccharides Polymers 0.000 description 1
150000002894 organic compounds Chemical class 0.000 description 1
IPCSVZSSVZVIGE-UHFFFAOYSA-N palmitic acid group Chemical group C(CCCCCCCCCCCCCCC)(=O)O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 1
239000002245 particle Substances 0.000 description 1
239000012071 phase Substances 0.000 description 1
150000004804 polysaccharides Polymers 0.000 description 1
230000008092 positive effect Effects 0.000 description 1
230000000063 preceeding effect Effects 0.000 description 1
230000002265 prevention Effects 0.000 description 1
238000003672 processing method Methods 0.000 description 1
238000009877 rendering Methods 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
238000005201 scrubbing Methods 0.000 description 1
235000012239 silicon dioxide Nutrition 0.000 description 1
150000003388 sodium compounds Chemical class 0.000 description 1
229910052979 sodium sulfide Inorganic materials 0.000 description 1
GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
239000011122 softwood Substances 0.000 description 1
229910052682 stishovite Inorganic materials 0.000 description 1
150000003440 styrenes Chemical class 0.000 description 1
239000011593 sulfur Substances 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
239000003784 tall oil Substances 0.000 description 1
229920001897 terpolymer Polymers 0.000 description 1
238000012956 testing procedure Methods 0.000 description 1
YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
230000000930 thermomechanical effect Effects 0.000 description 1
238000004448 titration Methods 0.000 description 1
229910052905 tridymite Inorganic materials 0.000 description 1
125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
229920002554 vinyl polymer Polymers 0.000 description 1
238000004457 water analysis Methods 0.000 description 1
239000003021 water soluble solvent Substances 0.000 description 1
239000002025 wood fiber Substances 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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Food-Manufacturing Devices (AREA)
Cookers (AREA)
Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

CA000479010A 1984-09-19 1985-04-12 Levage de la pate brute Expired CA1252258A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US65231184A	1984-09-19	1984-09-19
US652,311		1984-09-19

Publications (1)

Publication Number	Publication Date
CA1252258A true CA1252258A (fr)	1989-04-11

Family

ID=24616380

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000479010A Expired CA1252258A (fr)	1984-09-19	1985-04-12	Levage de la pate brute

Country Status (7)

Country	Link
EP (1)	EP0177113B1 (fr)
JP (1)	JPH0672384B2 (fr)
BR (1)	BR8501759A (fr)
CA (1)	CA1252258A (fr)
DE (1)	DE3571661D1 (fr)
FI (1)	FI78517C (fr)
NO (1)	NO167311C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0709521A1 (fr) *	1994-10-26	1996-05-01	Betz Europe, Inc.	Procédé pour augmenter la consistance de pâte à papier
DE19934607A1 (de) *	1999-07-23	2001-01-25	Basf Ag	Hilfsmittel und Verfahren zur Reinigung und zum Bleichen von Zellulose-Pulpe
JP5374887B2 (ja) *	2008-02-27	2013-12-25	栗田工業株式会社	パルプ洗浄剤、及びパルプ製造方法
JP5181783B2 (ja) *	2008-03-31	2013-04-10	栗田工業株式会社	パルプ洗浄剤及びパルプ製造方法
CN103071771A (zh) *	2012-11-22	2013-05-01	河南省西保冶材集团有限公司	一种不锈钢专用连铸保护渣

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1730387A (en) *	1927-08-10	1929-10-08	Brown Co	Processing of cellulose fiber
US2144756A (en) *	1937-10-14	1939-01-24	Nat Oil Prod Co	Process of treating wood pulp to remove pitch
US3992249A (en) *	1974-04-08	1976-11-16	American Cyanamid Company	Control of pulp-paper mill pitch deposits
US4184912A (en) *	1976-08-09	1980-01-22	Nalco Chemical Company	Pitch control method
US4297164A (en) *	1980-03-10	1981-10-27	Weyerhaeuser Company	Process for displacement washing of porous media
JPS591793A (ja) *	1982-06-28	1984-01-07	栗田工業株式会社	製紙用ピツチ付着防止剤

1985
- 1985-04-11 NO NO851455A patent/NO167311C/no not_active IP Right Cessation
- 1985-04-12 BR BR8501759A patent/BR8501759A/pt unknown
- 1985-04-12 EP EP19850302568 patent/EP0177113B1/fr not_active Expired
- 1985-04-12 JP JP60076886A patent/JPH0672384B2/ja not_active Expired - Fee Related
- 1985-04-12 DE DE8585302568T patent/DE3571661D1/de not_active Expired
- 1985-04-12 CA CA000479010A patent/CA1252258A/fr not_active Expired
- 1985-04-15 FI FI851511A patent/FI78517C/fi not_active IP Right Cessation

Also Published As

Publication number	Publication date
NO851455L (no)	1986-03-20
EP0177113A1 (fr)	1986-04-09
NO167311C (no)	1991-10-23
NO167311B (no)	1991-07-15
FI851511L (fi)	1986-03-20
JPH0672384B2 (ja)	1994-09-14
DE3571661D1 (en)	1989-08-24
JPS6175890A (ja)	1986-04-18
EP0177113B1 (fr)	1989-07-19
FI78517C (fi)	1989-08-10
FI851511A0 (fi)	1985-04-15
FI78517B (fi)	1989-04-28
BR8501759A (pt)	1986-04-22

Legal Events

Date	Code	Title	Description
2006-04-11	MKEX	Expiry

Publication	Publication Date	Title
US4952277A (en)	1990-08-28	Process for producing kraft pulp for paper using nonionic surface active agents to improve pulp yield
CA2744250C (fr)	2016-10-11	Procede et systeme de traitement de la pate utilisant l'extraction caustique a froid avec reutilisation du filtrat de l'extraction alkaline
US4444621A (en)	1984-04-24	Process and apparatus for the deresination and brightness improvement of cellulose pulp
JP3348387B2 (ja)	2002-11-20	ギ酸を添加した酢酸によるパルプの製法
CA1120211A (fr)	1982-03-23	Methode de prevention de la formation de depots en cours de fabrication et de traitement de la pate de cellulose
JPH11241285A (ja)	1999-09-07	前清浄化されたパルプの製造方法
US3817826A (en)	1974-06-18	Process for fractionated recovery of lignin and cellulose from bark
US4810328A (en)	1989-03-07	Method of brown stock washing
US4946625A (en)	1990-08-07	Particulate defoaming compositions
EP0631010B1 (fr)	1997-07-30	Procédé pour améliorer l'efficacité du lavage de pâte à papier
EP0177113B1 (fr)	1989-07-19	Méthode de lavage d'une pâte cellulosique
US4073678A (en)	1978-02-14	High yield semichemical wood pulping process
JP2667058B2 (ja)	1997-10-22	パルプの製造方法
DE2310547C3 (de)	1975-09-11	Verfahren zur Herstellung von Cellulose aus Lignocellulose-Ausgangsstof fen
DE602005002933T2 (de)	2008-07-24	Verfahren zur verringerung des extraktgehalts von hochausbeute- zellstoffen und verfahren zur herstellung von gebleichten hochausbeutezellstoffen
CA1275759C (fr)	1990-11-06	Methode et dispositif de defibrage alcalin des matieres cellulosiques
US4956119A (en)	1990-09-11	Particulate defoaming compositions
CA1157209A (fr)	1983-11-22	Procede pouir reduire la teneur en resine pendant la preparation de pate de cellulose et appareil pour sa mise en oeuvre
CA1162358A (fr)	1984-02-21	Procede et appareil pour deresinifier et rendre plus eclatante la pate cellulosique
CA2634978A1 (fr)	2008-12-18	Processus et systemes de blanchiment de pulpe lignocellulosique apres cuisson avec carbonate de sodium et anthraquinone
EP3887599A1 (fr)	2021-10-06	Mélange de pâte à papier
SU1601260A1 (ru)	1990-10-23	Способ промывки сульфатной целлюлозы
AU626407B2 (en)	1992-07-30	Process for producing kraft pulp for paper
JP2005336620A (ja)	2005-12-08	パルプの洗浄方法
WO1998017857A1 (fr)	1998-04-30	Extraction de metaux de fluides de traitement dans une usine de pate a papier