NO813257L - Fremgangsmaate til delignifisering av lignocellulosematerialer - Google Patents

Fremgangsmaate til delignifisering av lignocellulosematerialer

Info

Publication number: NO813257L
Authority: NO; Norway
Prior art keywords: compound; lower alkyl; thiourea; digestion; anthraquinone
Prior art date: 1980-09-25

Application number

NO813257A

Other languages

English (en)

Norwegian (no)

Inventor

Dieter Werthemann

Original Assignee

Ciba Geigy Ag

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.)

1980-09-25

Filing date

1981-09-24

Publication date

1982-03-26

1981-09-24 Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag

1982-03-26 Publication of NO813257L publication Critical patent/NO813257L/no

Links

238000000034 method Methods 0.000 title claims description 33
239000000463 material Substances 0.000 title description 6
UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 50
239000000203 mixture Substances 0.000 claims description 34
125000000217 alkyl group Chemical group 0.000 claims description 29
150000001875 compounds Chemical class 0.000 claims description 27
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 26
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 26
-1 dithiocarbamate compound Chemical class 0.000 claims description 22
230000029087 digestion Effects 0.000 claims description 21
150000004056 anthraquinones Chemical class 0.000 claims description 17
229910052757 nitrogen Inorganic materials 0.000 claims description 13
NJWGQARXZDRHCD-UHFFFAOYSA-N 2-methylanthraquinone Chemical compound C1=CC=C2C(=O)C3=CC(C)=CC=C3C(=O)C2=C1 NJWGQARXZDRHCD-UHFFFAOYSA-N 0.000 claims description 12
125000004432 carbon atom Chemical group C* 0.000 claims description 11
239000012978 lignocellulosic material Substances 0.000 claims description 10
125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 9
125000004122 cyclic group Chemical group 0.000 claims description 9
125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 9
125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 9
239000001257 hydrogen Substances 0.000 claims description 8
229910052739 hydrogen Inorganic materials 0.000 claims description 8
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 7
229910052736 halogen Inorganic materials 0.000 claims description 7
150000002367 halogens Chemical class 0.000 claims description 7
125000003545 alkoxy group Chemical group 0.000 claims description 6
239000012990 dithiocarbamate Substances 0.000 claims description 6
125000001424 substituent group Chemical group 0.000 claims description 6
229910052783 alkali metal Inorganic materials 0.000 claims description 5
125000003118 aryl group Chemical group 0.000 claims description 5
150000004659 dithiocarbamates Chemical class 0.000 claims description 5
125000004433 nitrogen atom Chemical group N* 0.000 claims description 5
238000002360 preparation method Methods 0.000 claims description 5
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
150000001340 alkali metals Chemical class 0.000 claims description 4
125000003710 aryl alkyl group Chemical group 0.000 claims description 4
150000002431 hydrogen Chemical class 0.000 claims description 4
125000000468 ketone group Chemical group 0.000 claims description 4
GNVMUORYQLCPJZ-UHFFFAOYSA-M Thiocarbamate Chemical compound NC([S-])=O GNVMUORYQLCPJZ-UHFFFAOYSA-M 0.000 claims description 3
125000002947 alkylene group Chemical group 0.000 claims description 3
150000001768 cations Chemical class 0.000 claims description 3
125000000753 cycloalkyl group Chemical group 0.000 claims description 3
AEOCXXJPGCBFJA-UHFFFAOYSA-N ethionamide Chemical compound CCC1=CC(C(N)=S)=CC=N1 AEOCXXJPGCBFJA-UHFFFAOYSA-N 0.000 claims description 3
229930194542 Keto Natural products 0.000 claims 1
125000002015 acyclic group Chemical group 0.000 claims 1
150000001923 cyclic compounds Chemical class 0.000 claims 1
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 30
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 20
239000000460 chlorine Substances 0.000 description 20
229910052801 chlorine Inorganic materials 0.000 description 20
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
239000002023 wood Substances 0.000 description 18
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
230000000875 corresponding effect Effects 0.000 description 13
239000001913 cellulose Substances 0.000 description 12
229920002678 cellulose Polymers 0.000 description 12
239000000243 solution Substances 0.000 description 9
RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 8
229940076442 9,10-anthraquinone Drugs 0.000 description 8
238000001816 cooling Methods 0.000 description 8
239000008367 deionised water Substances 0.000 description 8
229910021641 deionized water Inorganic materials 0.000 description 8
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 7
GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 6
239000000126 substance Substances 0.000 description 6
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
FRASJONUBLZVQX-UHFFFAOYSA-N 1,4-naphthoquinone Chemical compound C1=CC=C2C(=O)C=CC(=O)C2=C1 FRASJONUBLZVQX-UHFFFAOYSA-N 0.000 description 4
241000218657 Picea Species 0.000 description 4
239000000654 additive Substances 0.000 description 4
239000003513 alkali Substances 0.000 description 4
238000009835 boiling Methods 0.000 description 4
YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical compound CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 description 4
DLFVBJFMPXGRIB-UHFFFAOYSA-N thioacetamide Natural products CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 4
PDQAZBWRQCGBEV-UHFFFAOYSA-N Ethylenethiourea Chemical compound S=C1NCCN1 PDQAZBWRQCGBEV-UHFFFAOYSA-N 0.000 description 3
MNOILHPDHOHILI-UHFFFAOYSA-N Tetramethylthiourea Chemical compound CN(C)C(=S)N(C)C MNOILHPDHOHILI-UHFFFAOYSA-N 0.000 description 3
QIOZLISABUUKJY-UHFFFAOYSA-N Thiobenzamide Chemical compound NC(=S)C1=CC=CC=C1 QIOZLISABUUKJY-UHFFFAOYSA-N 0.000 description 3
LMBWSYZSUOEYSN-UHFFFAOYSA-N diethyldithiocarbamic acid Chemical compound CCN(CC)C(S)=S LMBWSYZSUOEYSN-UHFFFAOYSA-N 0.000 description 3
229950004394 ditiocarb Drugs 0.000 description 3
239000002655 kraft paper Substances 0.000 description 3
239000007788 liquid Substances 0.000 description 3
AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 2
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
APLQXUAECQNQFE-UHFFFAOYSA-N 2-methoxyanthracene-9,10-dione Chemical compound C1=CC=C2C(=O)C3=CC(OC)=CC=C3C(=O)C2=C1 APLQXUAECQNQFE-UHFFFAOYSA-N 0.000 description 2
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
241000294754 Macroptilium atropurpureum Species 0.000 description 2
235000008124 Picea excelsa Nutrition 0.000 description 2
230000000996 additive effect Effects 0.000 description 2
238000004182 chemical digestion Methods 0.000 description 2
238000010411 cooking Methods 0.000 description 2
PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
230000000694 effects Effects 0.000 description 2
125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
229920005610 lignin Polymers 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
230000007935 neutral effect Effects 0.000 description 2
239000000123 paper Substances 0.000 description 2
150000002978 peroxides Chemical class 0.000 description 2
125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
239000002002 slurry Substances 0.000 description 2
229910052979 sodium sulfide Inorganic materials 0.000 description 2
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 2
230000002195 synergetic effect Effects 0.000 description 2
150000003558 thiocarbamic acid derivatives Chemical class 0.000 description 2
OTBHDFWQZHPNPU-UHFFFAOYSA-N 1,2,3,4-tetrahydroanthracene-9,10-dione Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1CCCC2 OTBHDFWQZHPNPU-UHFFFAOYSA-N 0.000 description 1
PLUFITIFLBGFPN-UHFFFAOYSA-N 1,2-dichloroanthracene-9,10-dione Chemical compound C1=CC=C2C(=O)C3=C(Cl)C(Cl)=CC=C3C(=O)C2=C1 PLUFITIFLBGFPN-UHFFFAOYSA-N 0.000 description 1
NVHNGVXBCWYLFA-UHFFFAOYSA-N 1,3-diazinane-2-thione Chemical compound S=C1NCCCN1 NVHNGVXBCWYLFA-UHFFFAOYSA-N 0.000 description 1
UAGHCYPWINAKSA-UHFFFAOYSA-N 1,3-dimethyl-1,2,3,4-tetrahydroanthracene-9,10-dione Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1CC(C)CC2C UAGHCYPWINAKSA-UHFFFAOYSA-N 0.000 description 1
OHVLMTFVQDZYHP-UHFFFAOYSA-N 1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-2-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound N1N=NC=2CN(CCC=21)C(CN1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)=O OHVLMTFVQDZYHP-UHFFFAOYSA-N 0.000 description 1
LLVWLCAZSOLOTF-UHFFFAOYSA-N 1-methyl-4-[1,4,4-tris(4-methylphenyl)buta-1,3-dienyl]benzene Chemical compound C1=CC(C)=CC=C1C(C=1C=CC(C)=CC=1)=CC=C(C=1C=CC(C)=CC=1)C1=CC=C(C)C=C1 LLVWLCAZSOLOTF-UHFFFAOYSA-N 0.000 description 1
SFSLTRCPISPSKB-UHFFFAOYSA-N 10-methylideneanthracen-9-one Chemical compound C1=CC=C2C(=C)C3=CC=CC=C3C(=O)C2=C1 SFSLTRCPISPSKB-UHFFFAOYSA-N 0.000 description 1
JIKINXKGAKAVAP-UHFFFAOYSA-N 2,3-dihydroxyanthracene-1-sulfonic acid Chemical compound C1=CC=C2C=C(C(=C(C(O)=C3)O)S(O)(=O)=O)C3=CC2=C1 JIKINXKGAKAVAP-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
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
VTWDKFNVVLAELH-UHFFFAOYSA-N 2-methylcyclohexa-2,5-diene-1,4-dione Chemical compound CC1=CC(=O)C=CC1=O VTWDKFNVVLAELH-UHFFFAOYSA-N 0.000 description 1
MMNWSHJJPDXKCH-UHFFFAOYSA-N 9,10-dioxoanthracene-2-sulfonic acid Chemical compound C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 MMNWSHJJPDXKCH-UHFFFAOYSA-N 0.000 description 1
YYVYAPXYZVYDHN-UHFFFAOYSA-N 9,10-phenanthroquinone Chemical compound C1=CC=C2C(=O)C(=O)C3=CC=CC=C3C2=C1 YYVYAPXYZVYDHN-UHFFFAOYSA-N 0.000 description 1
244000283070 Abies balsamea Species 0.000 description 1
235000007173 Abies balsamea Nutrition 0.000 description 1
235000004710 Abies lasiocarpa Nutrition 0.000 description 1
240000004731 Acer pseudoplatanus Species 0.000 description 1
241000609240 Ambelania acida Species 0.000 description 1
235000018185 Betula X alpestris Nutrition 0.000 description 1
235000018212 Betula X uliginosa Nutrition 0.000 description 1
WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
244000025254 Cannabis sativa Species 0.000 description 1
235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
241000218631 Coniferophyta Species 0.000 description 1
238000005698 Diels-Alder reaction Methods 0.000 description 1
240000000731 Fagus sylvatica Species 0.000 description 1
235000010099 Fagus sylvatica Nutrition 0.000 description 1
PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
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 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
244000273256 Phragmites communis Species 0.000 description 1
235000014676 Phragmites communis Nutrition 0.000 description 1
235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
241000018646 Pinus brutia Species 0.000 description 1
235000011613 Pinus brutia Nutrition 0.000 description 1
241000219000 Populus Species 0.000 description 1
241000183024 Populus tremula Species 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
244000305267 Quercus macrolepis Species 0.000 description 1
235000016976 Quercus macrolepis Nutrition 0.000 description 1
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
AMNPXXIGUOKIPP-UHFFFAOYSA-N [4-(carbamothioylamino)phenyl]thiourea Chemical compound NC(=S)NC1=CC=C(NC(N)=S)C=C1 AMNPXXIGUOKIPP-UHFFFAOYSA-N 0.000 description 1
FRYDSOYOHWGSMD-UHFFFAOYSA-N [C].O Chemical compound [C].O FRYDSOYOHWGSMD-UHFFFAOYSA-N 0.000 description 1
239000002253 acid Substances 0.000 description 1
150000001260 acyclic compounds Chemical class 0.000 description 1
229910052784 alkaline earth metal Inorganic materials 0.000 description 1
150000001342 alkaline earth metals Chemical class 0.000 description 1
239000012670 alkaline solution Substances 0.000 description 1
125000004183 alkoxy alkyl group Chemical group 0.000 description 1
125000003282 alkyl amino group Chemical class 0.000 description 1
150000001412 amines Chemical class 0.000 description 1
RJGDLRCDCYRQOQ-UHFFFAOYSA-N anthrone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3CC2=C1 RJGDLRCDCYRQOQ-UHFFFAOYSA-N 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
125000004429 atom Chemical group 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
239000010905 bagasse Substances 0.000 description 1
LHMRXAIRPKSGDE-UHFFFAOYSA-N benzo[a]anthracene-7,12-dione Chemical compound C1=CC2=CC=CC=C2C2=C1C(=O)C1=CC=CC=C1C2=O LHMRXAIRPKSGDE-UHFFFAOYSA-N 0.000 description 1
235000010290 biphenyl Nutrition 0.000 description 1
239000004305 biphenyl Substances 0.000 description 1
125000006267 biphenyl group Chemical group 0.000 description 1
GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
229910052794 bromium Inorganic materials 0.000 description 1
KAKZBPTYRLMSJV-UHFFFAOYSA-N butadiene group Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
239000011575 calcium Substances 0.000 description 1
235000009120 camo Nutrition 0.000 description 1
235000005607 chanvre indien Nutrition 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000000470 constituent Substances 0.000 description 1
238000005520 cutting process Methods 0.000 description 1
125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
NBGTWXBPCIHUQD-UHFFFAOYSA-N diethylcarbamodithioic acid;n-ethylethanamine Chemical compound CCNCC.CCN(CC)C(S)=S NBGTWXBPCIHUQD-UHFFFAOYSA-N 0.000 description 1
239000000835 fiber Substances 0.000 description 1
239000002657 fibrous material Substances 0.000 description 1
229910052731 fluorine Inorganic materials 0.000 description 1
239000011737 fluorine Substances 0.000 description 1
239000011121 hardwood Substances 0.000 description 1
239000011487 hemp Substances 0.000 description 1
125000000623 heterocyclic group Chemical group 0.000 description 1
150000002440 hydroxy compounds Chemical class 0.000 description 1
125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 1
229910052749 magnesium Inorganic materials 0.000 description 1
239000011777 magnesium Substances 0.000 description 1
VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
239000000347 magnesium hydroxide Substances 0.000 description 1
229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
125000004573 morpholin-4-yl group Chemical group N1(CCOCC1)* 0.000 description 1
125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
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 1
125000001624 naphthyl group Chemical group 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
230000000704 physical effect Effects 0.000 description 1
125000003367 polycyclic group Chemical group 0.000 description 1
229920001021 polysulfide Polymers 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000011591 potassium Substances 0.000 description 1
239000002994 raw material Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
IWBARFWBFPHWGG-UHFFFAOYSA-M sodium;piperidine;carbamodithioate Chemical compound [Na+].NC([S-])=S.C1CCNCC1 IWBARFWBFPHWGG-UHFFFAOYSA-M 0.000 description 1
239000010902 straw Substances 0.000 description 1
125000000542 sulfonic acid group Chemical group 0.000 description 1
229910021653 sulphate ion Inorganic materials 0.000 description 1
125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
125000005505 thiomorpholino group Chemical group 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

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Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)

NO813257A 1980-09-25 1981-09-24 Fremgangsmaate til delignifisering av lignocellulosematerialer NO813257L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH718380		1980-09-25

Publications (1)

Publication Number	Publication Date
NO813257L true NO813257L (no)	1982-03-26

Family

ID=4321202

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO813257A NO813257L (no)	1980-09-25	1981-09-24	Fremgangsmaate til delignifisering av lignocellulosematerialer

Country Status (9)

Country	Link
EP (1)	EP0049221B1 (xx)
JP (1)	JPS5789691A (xx)
AU (1)	AU547453B2 (xx)
BR (1)	BR8106122A (xx)
CA (1)	CA1174810A (xx)
DE (1)	DE3161711D1 (xx)
FI (1)	FI69654C (xx)
NO (1)	NO813257L (xx)
ZA (1)	ZA816637B (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6702921B2 (en) *	2001-05-01	2004-03-09	Ondeo Nalco Company	Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent
US7351764B2 (en)	2004-03-31	2008-04-01	Nalco Company	Methods to enhance brightness of pulp and optimize use of bleaching chemicals

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NZ185937A (en) *	1976-12-13	1979-10-25	Australian Paper Manufacturers	Delignification of lignocellulosic material with amine based liquor containing quinones or hydroqinones
US4248663A (en) *	1978-07-05	1981-02-03	Pulp And Paper Research Institute Of Canada	Pulping with an alkaline liquor containing a cyclic keto compound and an amino compound

1981
- 1981-09-21 FI FI812935A patent/FI69654C/fi not_active IP Right Cessation
- 1981-09-21 EP EP81810386A patent/EP0049221B1/de not_active Expired
- 1981-09-21 DE DE8181810386T patent/DE3161711D1/de not_active Expired
- 1981-09-23 CA CA000386480A patent/CA1174810A/en not_active Expired
- 1981-09-24 BR BR8106122A patent/BR8106122A/pt unknown
- 1981-09-24 AU AU75642/81A patent/AU547453B2/en not_active Ceased
- 1981-09-24 ZA ZA816637A patent/ZA816637B/xx unknown
- 1981-09-24 NO NO813257A patent/NO813257L/no unknown
- 1981-09-25 JP JP56150805A patent/JPS5789691A/ja active Pending

Also Published As

Publication number	Publication date
BR8106122A (pt)	1982-06-15
AU547453B2 (en)	1985-10-24
EP0049221A1 (de)	1982-04-07
CA1174810A (en)	1984-09-25
DE3161711D1 (en)	1984-01-26
JPS5789691A (en)	1982-06-04
ZA816637B (en)	1982-09-29
FI69654C (fi)	1986-03-10
AU7564281A (en)	1982-04-01
EP0049221B1 (de)	1983-12-21
FI812935L (fi)	1982-03-26
FI69654B (fi)	1985-11-29

Publication	Publication Date	Title
RU2011143465A (ru)	2013-05-20	Способ получения целлюлозы из биомассы, содержащей лигноцеллюлозу
NO813257L (no)	1982-03-26	Fremgangsmaate til delignifisering av lignocellulosematerialer
NO128174B (xx)	1973-10-08
US4475984A (en)	1984-10-09	Process for pretreating wood chips with monoperoxy sulfuric acid or its salts prior to alkaline pulping
NO150087B (no)	1984-05-07	Fremgangsmaate for fremstilling av cellulosemasse
US4127439A (en)	1978-11-28	Pretreatment of lignocellulose with anthraquinone prior to pulping
US2783146A (en)	1957-02-26	Semi-hydrotropic chemical lignocellulose pulping process
SU890985A3 (ru)	1981-12-15	Способ делигнификации лигноцеллюлозного материала
US2249174A (en)	1941-07-15	Process for producing white wood pulp of high solution viscosity and purity
RU2135665C1 (ru)	1999-08-27	Способ получения целлюлозной массы
FR2482988A1 (fr)	1981-11-27	Procede de pulpation au sulfite alcalin
US4036680A (en)	1977-07-19	Delignification of lignocellulosic material with a soda pulping liquor containing a Diels Alder adduct of benzoquinone or naphthoquinone in admixture with a nitro aromatic compound
US4181565A (en)	1980-01-01	Process for cooking lignocellulosic material in the presence of hydroxyanthracenes and derivatives thereof
AT403703B (de)	1998-05-25	Verfahren zur herstellung von zellstoff/cellulose
US4484980A (en)	1984-11-27	Process for bleaching paper pulp using caffeine or guanine as a viscosity stabilizers
JPH11217783A (ja)	1999-08-10	樹脂分の少ないパルプの製造方法
SU1509465A1 (ru)	1989-09-23	Способ получени сульфатной целлюлозы
JPS62282089A (ja)	1987-12-07	パルプ原料としての油ヤシ葉柄の処理法
JPS6059357B2 (ja)	1985-12-24	パルプの製造方法
US3490990A (en)	1970-01-20	Digestion of lignocellulosic materials with an organomercaptan and a hydrotrope
CA1216105A (en)	1987-01-06	Pulping process
JPS6029794B2 (ja)	1985-07-12	アルカリサルフアイドパルプ化法
Wang et al.	1987	Alkaline sulfite-anthraquinone pulping of bagasse with and without the addition of ethanol
JP2971111B2 (ja)	1999-11-02	リグノセルロース材料の蒸解法
DE3216639A1 (de)	1982-11-25	Verfahren zum delignifizieren von lignocellulosematerial