CA1157209A - Process and apparatus for the deresination of cellulose pulp - Google Patents
Process and apparatus for the deresination of cellulose pulpInfo
- Publication number
- CA1157209A CA1157209A CA000360196A CA360196A CA1157209A CA 1157209 A CA1157209 A CA 1157209A CA 000360196 A CA000360196 A CA 000360196A CA 360196 A CA360196 A CA 360196A CA 1157209 A CA1157209 A CA 1157209A
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- alkali
- process according
- cellulose
- screw
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 125
- 230000008569 process Effects 0.000 title claims abstract description 102
- 229920002678 cellulose Polymers 0.000 title claims abstract description 64
- 239000001913 cellulose Substances 0.000 title claims abstract description 64
- 239000003513 alkali Substances 0.000 claims abstract description 91
- 229920005989 resin Polymers 0.000 claims abstract description 87
- 239000011347 resin Substances 0.000 claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000005406 washing Methods 0.000 claims abstract description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 192
- 238000011282 treatment Methods 0.000 claims description 58
- 239000007844 bleaching agent Substances 0.000 claims description 45
- 239000000126 substance Substances 0.000 claims description 39
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 37
- 238000004061 bleaching Methods 0.000 claims description 31
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 25
- 239000004155 Chlorine dioxide Substances 0.000 claims description 19
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 19
- 238000009896 oxidative bleaching Methods 0.000 claims description 18
- 238000012216 screening Methods 0.000 claims description 16
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 239000000460 chlorine Substances 0.000 claims description 13
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 11
- 150000002978 peroxides Chemical class 0.000 claims description 11
- 239000004094 surface-active agent Substances 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 8
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical group Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims description 8
- 229910001902 chlorine oxide Inorganic materials 0.000 claims description 6
- 239000012978 lignocellulosic material Substances 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 4
- 229910001882 dioxygen Inorganic materials 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 230000010006 flight Effects 0.000 claims description 3
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 claims description 3
- 230000003113 alkalizing effect Effects 0.000 claims 1
- 238000009313 farming Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 239000002253 acid Substances 0.000 description 53
- -1 for instance Substances 0.000 description 43
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 38
- 239000002023 wood Substances 0.000 description 29
- 238000007792 addition Methods 0.000 description 24
- 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 22
- 239000011734 sodium Substances 0.000 description 22
- 229910052708 sodium Inorganic materials 0.000 description 22
- 238000004898 kneading Methods 0.000 description 20
- 239000001257 hydrogen Substances 0.000 description 18
- 229910052739 hydrogen Inorganic materials 0.000 description 18
- 230000014759 maintenance of location Effects 0.000 description 18
- 238000010008 shearing Methods 0.000 description 17
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 15
- 229910052783 alkali metal Inorganic materials 0.000 description 15
- 125000004432 carbon atom Chemical group C* 0.000 description 15
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 14
- 238000010009 beating Methods 0.000 description 14
- 150000001875 compounds Chemical class 0.000 description 14
- 239000000835 fiber Substances 0.000 description 14
- 239000002655 kraft paper Substances 0.000 description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 11
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 11
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 11
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 11
- 150000007513 acids Chemical class 0.000 description 11
- 235000018185 Betula X alpestris Nutrition 0.000 description 10
- 235000018212 Betula X uliginosa Nutrition 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 239000005977 Ethylene Substances 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- 150000002431 hydrogen Chemical class 0.000 description 10
- 238000004537 pulping Methods 0.000 description 10
- 238000003860 storage Methods 0.000 description 10
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 9
- 230000029087 digestion Effects 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 9
- 230000002829 reductive effect Effects 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 8
- 150000002148 esters Chemical class 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 7
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 7
- 230000009471 action Effects 0.000 description 7
- 229910052801 chlorine Inorganic materials 0.000 description 7
- 230000005484 gravity Effects 0.000 description 7
- 150000002430 hydrocarbons Chemical class 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229910052700 potassium Inorganic materials 0.000 description 7
- 239000011591 potassium Substances 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- MQJKPEGWNLWLTK-UHFFFAOYSA-N Dapsone Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 MQJKPEGWNLWLTK-UHFFFAOYSA-N 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-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
- 241000218657 Picea Species 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 150000001340 alkali metals Chemical class 0.000 description 6
- 150000001412 amines Chemical class 0.000 description 6
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 6
- RMVRSNDYEFQCLF-UHFFFAOYSA-N thiophenol Chemical compound SC1=CC=CC=C1 RMVRSNDYEFQCLF-UHFFFAOYSA-N 0.000 description 6
- 239000004711 α-olefin Substances 0.000 description 6
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 5
- 125000000129 anionic group Chemical group 0.000 description 5
- 125000003118 aryl group Chemical group 0.000 description 5
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 5
- 239000011121 hardwood Substances 0.000 description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 5
- 239000000123 paper Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 5
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 5
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 5
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 4
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 4
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 4
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 4
- 240000000731 Fagus sylvatica Species 0.000 description 4
- 235000010099 Fagus sylvatica Nutrition 0.000 description 4
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 4
- 241001397173 Kali <angiosperm> Species 0.000 description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 4
- 241000018646 Pinus brutia Species 0.000 description 4
- 235000011613 Pinus brutia Nutrition 0.000 description 4
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 125000004429 atom Chemical group 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 4
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 4
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 4
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
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- 239000007787 solid Substances 0.000 description 4
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 4
- 150000003871 sulfonates Chemical class 0.000 description 4
- 235000002906 tartaric acid Nutrition 0.000 description 4
- 239000011975 tartaric acid Substances 0.000 description 4
- 239000002562 thickening agent Substances 0.000 description 4
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical compound OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 description 4
- 239000000080 wetting agent Substances 0.000 description 4
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 3
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 3
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 3
- 229920000875 Dissolving pulp Polymers 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 3
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 3
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- DSLZVSRJTYRBFB-DUHBMQHGSA-N galactaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)[C@@H](O)[C@H](O)C(O)=O DSLZVSRJTYRBFB-DUHBMQHGSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 3
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- 239000000463 material Substances 0.000 description 3
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- 238000010998 test method Methods 0.000 description 3
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- 238000002485 combustion reaction Methods 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- YMHQVDAATAEZLO-UHFFFAOYSA-N cyclohexane-1,1-diamine Chemical compound NC1(N)CCCCC1 YMHQVDAATAEZLO-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 1
- 235000011180 diphosphates Nutrition 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- OYFJQPXVCSSHAI-QFPUQLAESA-N enalapril maleate Chemical compound OC(=O)\C=C/C(O)=O.C([C@@H](C(=O)OCC)N[C@@H](C)C(=O)N1[C@@H](CCC1)C(O)=O)CC1=CC=CC=C1 OYFJQPXVCSSHAI-QFPUQLAESA-N 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- SSILHZFTFWOUJR-UHFFFAOYSA-M hexadecane-1-sulfonate Chemical compound CCCCCCCCCCCCCCCCS([O-])(=O)=O SSILHZFTFWOUJR-UHFFFAOYSA-M 0.000 description 1
- QKIAYRRGJHLRAQ-UHFFFAOYSA-N hexadecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 QKIAYRRGJHLRAQ-UHFFFAOYSA-N 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000015250 liver sausages Nutrition 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- AFCCDDWKHLHPDF-UHFFFAOYSA-M metam-sodium Chemical group [Na+].CNC([S-])=S AFCCDDWKHLHPDF-UHFFFAOYSA-M 0.000 description 1
- MYWUZJCMWCOHBA-VIFPVBQESA-N methamphetamine Chemical compound CN[C@@H](C)CC1=CC=CC=C1 MYWUZJCMWCOHBA-VIFPVBQESA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- ZIYVHBGGAOATLY-UHFFFAOYSA-N methylmalonic acid Chemical compound OC(=O)C(C)C(O)=O ZIYVHBGGAOATLY-UHFFFAOYSA-N 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- JVKAWJASTRPFQY-UHFFFAOYSA-N n-(2-aminoethyl)hydroxylamine Chemical compound NCCNO JVKAWJASTRPFQY-UHFFFAOYSA-N 0.000 description 1
- ZBJVLWIYKOAYQH-UHFFFAOYSA-N naphthalen-2-yl 2-hydroxybenzoate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=C(C=CC=C2)C2=C1 ZBJVLWIYKOAYQH-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 210000004940 nucleus Anatomy 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 150000002889 oleic acids Chemical class 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 125000000963 oxybis(methylene) group Chemical group [H]C([H])(*)OC([H])([H])* 0.000 description 1
- 125000006353 oxyethylene group Chemical group 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- FXDJGVDFWVWICJ-UHFFFAOYSA-M potassium;2,3-di(nonyl)benzenesulfonate Chemical compound [K+].CCCCCCCCCC1=CC=CC(S([O-])(=O)=O)=C1CCCCCCCCC FXDJGVDFWVWICJ-UHFFFAOYSA-M 0.000 description 1
- LNIAEVLCVIKUGU-UHFFFAOYSA-M potassium;octadecane-1-sulfonate Chemical compound [K+].CCCCCCCCCCCCCCCCCCS([O-])(=O)=O LNIAEVLCVIKUGU-UHFFFAOYSA-M 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009895 reductive bleaching Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 235000011008 sodium phosphates Nutrition 0.000 description 1
- JRVWRMFPTWOUNN-UHFFFAOYSA-M sodium;2,3-didodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=CC(S([O-])(=O)=O)=C1CCCCCCCCCCCC JRVWRMFPTWOUNN-UHFFFAOYSA-M 0.000 description 1
- LGORLCOUTMVEAC-UHFFFAOYSA-M sodium;2-nonylphenolate Chemical compound [Na+].CCCCCCCCCC1=CC=CC=C1[O-] LGORLCOUTMVEAC-UHFFFAOYSA-M 0.000 description 1
- DUXXGJTXFHUORE-UHFFFAOYSA-M sodium;4-tridecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCCC1=CC=C(S([O-])(=O)=O)C=C1 DUXXGJTXFHUORE-UHFFFAOYSA-M 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000002311 subsequent effect Effects 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- NVBFHJWHLNUMCV-UHFFFAOYSA-N sulfamide Chemical group NS(N)(=O)=O NVBFHJWHLNUMCV-UHFFFAOYSA-N 0.000 description 1
- 125000000446 sulfanediyl group Chemical group *S* 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- 239000000271 synthetic detergent Substances 0.000 description 1
- MYOWBHNETUSQPA-UHFFFAOYSA-N tetradecane-1-sulfonic acid Chemical compound CCCCCCCCCCCCCCS(O)(=O)=O MYOWBHNETUSQPA-UHFFFAOYSA-N 0.000 description 1
- OULAJFUGPPVRBK-UHFFFAOYSA-N tetratriacontan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCO OULAJFUGPPVRBK-UHFFFAOYSA-N 0.000 description 1
- 125000005300 thiocarboxy group Chemical group C(=S)(O)* 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- JSPLKZUTYZBBKA-UHFFFAOYSA-N trioxidane Chemical compound OOO JSPLKZUTYZBBKA-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- PENRVBJTRIYHOA-UHFFFAOYSA-L zinc dithionite Chemical compound [Zn+2].[O-]S(=O)S([O-])=O PENRVBJTRIYHOA-UHFFFAOYSA-L 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
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7907557A SE418628B (sv) | 1979-09-12 | 1979-09-12 | Forfarande for hartshaltsminskning vid framstellning av cellulosamassor ur lignocellulosamaterial |
SE7907557-8 | 1979-09-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1157209A true CA1157209A (en) | 1983-11-22 |
Family
ID=20338805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000360196A Expired CA1157209A (en) | 1979-09-12 | 1980-09-12 | Process and apparatus for the deresination of cellulose pulp |
Country Status (11)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5728265A (en) * | 1995-06-12 | 1998-03-17 | Henkel Corporation | Process for enhancing white liquor penetration into wood chips by contacting the chips with a mixture of the white liquor and a polymethylalkyl siloxane |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4444621A (en) * | 1980-11-21 | 1984-04-24 | Mo Och Domsjo Aktiebolag | Process and apparatus for the deresination and brightness improvement of cellulose pulp |
SE8405128L (sv) * | 1984-10-15 | 1986-04-16 | Kamyr Ab | Behandling av hogutbytesmassa |
SE502321C2 (sv) * | 1994-03-04 | 1995-10-02 | Kvaerner Pulping Tech | Förfarande vid ozonblekning av sulfitmassa |
FI20105799A0 (fi) | 2010-07-13 | 2010-07-13 | Olli Joutsimo | Parantunut kemiallisen massan valmistusprosessi |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE84946C (enrdf_load_stackoverflow) * | ||||
DE363666C (de) * | 1918-01-23 | 1922-11-11 | Carl G Schwalbe Dr | Verfahren zur Entfernung von Harz, Fett, Wachs u. dgl. aus Pflanzenstoffen, insbesondere aus Holz und Holzzellstoffen |
US2000562A (en) * | 1933-07-06 | 1935-05-07 | Patentaktiebolaget Grondal Ram | Process of removing resin from sulphite cellulose |
US2224159A (en) * | 1937-09-27 | 1940-12-10 | Rayonier Inc | Process for purifying wood pulp |
-
1979
- 1979-09-12 SE SE7907557A patent/SE418628B/sv not_active IP Right Cessation
-
1980
- 1980-08-26 JP JP11824580A patent/JPS5643496A/ja active Granted
- 1980-08-29 BR BR8005524A patent/BR8005524A/pt not_active IP Right Cessation
- 1980-09-01 FI FI802742A patent/FI68680C/fi not_active IP Right Cessation
- 1980-09-05 CH CH6700/80A patent/CH651083A5/de not_active IP Right Cessation
- 1980-09-09 NO NO802658A patent/NO155498C/no unknown
- 1980-09-10 AU AU62195/80A patent/AU524841B2/en not_active Expired
- 1980-09-10 DE DE3034042A patent/DE3034042C2/de not_active Expired
- 1980-09-11 AT AT0457680A patent/AT374512B/de not_active IP Right Cessation
- 1980-09-12 CA CA000360196A patent/CA1157209A/en not_active Expired
- 1980-09-12 FR FR8019697A patent/FR2465026A1/fr active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5728265A (en) * | 1995-06-12 | 1998-03-17 | Henkel Corporation | Process for enhancing white liquor penetration into wood chips by contacting the chips with a mixture of the white liquor and a polymethylalkyl siloxane |
Also Published As
Publication number | Publication date |
---|---|
JPH0114357B2 (enrdf_load_stackoverflow) | 1989-03-10 |
AU524841B2 (en) | 1982-10-07 |
FI68680B (fi) | 1985-06-28 |
SE418628B (sv) | 1981-06-15 |
FI68680C (fi) | 1985-10-10 |
DE3034042A1 (de) | 1981-04-02 |
AT374512B (de) | 1984-05-10 |
SE7907557L (sv) | 1981-03-13 |
AU6219580A (en) | 1981-03-19 |
BR8005524A (pt) | 1981-03-17 |
CH651083A5 (en) | 1985-08-30 |
NO155498C (no) | 1994-11-21 |
JPS5643496A (en) | 1981-04-22 |
FR2465026A1 (fr) | 1981-03-20 |
ATA457680A (de) | 1983-09-15 |
NO155498B (no) | 1986-12-29 |
FR2465026B1 (enrdf_load_stackoverflow) | 1983-08-19 |
NO802658L (no) | 1981-03-13 |
DE3034042C2 (de) | 1985-08-22 |
FI802742A7 (fi) | 1981-03-13 |
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Legal Events
Date | Code | Title | Description |
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MKEX | Expiry |