CA1107917A - Methode de fabrication de la pate a papier - Google Patents

Methode de fabrication de la pate a papier

Info

Publication number: CA1107917A
Authority: CA; Canada
Prior art keywords: cooking; liquor; compound; pulping; raw material
Prior art date: 1976-06-02
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

CA368,143A

Other languages

English (en)

Inventor

Naphtali N. Vanderhoek

Peter F. Nelson

Alan Farrington

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.)

Amcor Pty Ltd

Original Assignee

Australian Paper Manufacturers Ltd

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.)

1976-06-02

Filing date

1981-01-08

Publication date

1981-09-01

1977-05-26 Priority claimed from CA279,203A external-priority patent/CA1104762A/fr

1981-01-08 Application filed by Australian Paper Manufacturers Ltd filed Critical Australian Paper Manufacturers Ltd

1981-01-08 Priority to CA368,143A priority Critical patent/CA1107917A/fr

1981-09-01 Application granted granted Critical

1981-09-01 Publication of CA1107917A publication Critical patent/CA1107917A/fr

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 63
230000008569 process Effects 0.000 title claims abstract description 57
238000004537 pulping Methods 0.000 title description 38
QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims abstract description 32
-1 hydroxy- Chemical class 0.000 claims abstract description 31
150000005208 1,4-dihydroxybenzenes Chemical class 0.000 claims abstract description 14
239000003265 pulping liquor Substances 0.000 claims abstract description 13
239000012978 lignocellulosic material Substances 0.000 claims abstract description 8
239000000203 mixture Substances 0.000 claims abstract description 8
125000000217 alkyl group Chemical group 0.000 claims abstract description 5
125000003545 alkoxy group Chemical group 0.000 claims abstract description 4
238000010411 cooking Methods 0.000 claims description 54
AZQWKYJCGOJGHM-UHFFFAOYSA-N para-benzoquinone Natural products O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 claims description 38
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
239000002994 raw material Substances 0.000 claims description 31
229960004337 hydroquinone Drugs 0.000 claims description 25
150000001875 compounds Chemical class 0.000 claims description 10
239000003638 chemical reducing agent Substances 0.000 claims description 9
238000005470 impregnation Methods 0.000 claims description 9
239000000654 additive Substances 0.000 claims description 6
230000000996 additive effect Effects 0.000 claims description 5
125000001475 halogen functional group Chemical group 0.000 claims description 3
239000012279 sodium borohydride Substances 0.000 claims description 3
229910000033 sodium borohydride Inorganic materials 0.000 claims description 3
OWEGMIWEEQEYGQ-UHFFFAOYSA-N 100676-05-9 Natural products OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OC2C(OC(O)C(O)C2O)CO)O1 OWEGMIWEEQEYGQ-UHFFFAOYSA-N 0.000 claims description 2
GUBGYTABKSRVRQ-CUHNMECISA-N D-Cellobiose Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)OC(O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-CUHNMECISA-N 0.000 claims description 2
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 claims description 2
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 claims description 2
GUBGYTABKSRVRQ-PICCSMPSSA-N Maltose Natural products O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@@H]1[C@@H](CO)OC(O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-PICCSMPSSA-N 0.000 claims description 2
MUPFEKGTMRGPLJ-RMMQSMQOSA-N Raffinose Natural products O(C[C@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@@H](O[C@@]2(CO)[C@H](O)[C@@H](O)[C@@H](CO)O2)O1)[C@@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 MUPFEKGTMRGPLJ-RMMQSMQOSA-N 0.000 claims description 2
229920002472 Starch Polymers 0.000 claims description 2
CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 2
229930006000 Sucrose Natural products 0.000 claims description 2
MUPFEKGTMRGPLJ-UHFFFAOYSA-N UNPD196149 Natural products OC1C(O)C(CO)OC1(CO)OC1C(O)C(O)C(O)C(COC2C(C(O)C(O)C(CO)O2)O)O1 MUPFEKGTMRGPLJ-UHFFFAOYSA-N 0.000 claims description 2
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
150000001299 aldehydes Chemical class 0.000 claims description 2
150000001412 amines Chemical class 0.000 claims description 2
GUBGYTABKSRVRQ-QUYVBRFLSA-N beta-maltose Chemical compound OC[C@H]1O[C@H](O[C@H]2[C@H](O)[C@@H](O)[C@H](O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@@H]1O GUBGYTABKSRVRQ-QUYVBRFLSA-N 0.000 claims description 2
238000006243 chemical reaction Methods 0.000 claims description 2
239000008103 glucose Substances 0.000 claims description 2
238000011065 in-situ storage Methods 0.000 claims description 2
MUPFEKGTMRGPLJ-ZQSKZDJDSA-N raffinose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO[C@@H]2[C@@H]([C@@H](O)[C@@H](O)[C@@H](CO)O2)O)O1 MUPFEKGTMRGPLJ-ZQSKZDJDSA-N 0.000 claims description 2
238000002791 soaking Methods 0.000 claims description 2
JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 2
235000019698 starch Nutrition 0.000 claims description 2
239000008107 starch Substances 0.000 claims description 2
239000005720 sucrose Substances 0.000 claims description 2
229920001221 xylan Polymers 0.000 claims description 2
150000004823 xylans Chemical class 0.000 claims description 2
PENRVBJTRIYHOA-UHFFFAOYSA-L zinc dithionite Chemical compound [Zn+2].[O-]S(=O)S([O-])=O PENRVBJTRIYHOA-UHFFFAOYSA-L 0.000 claims description 2
239000003795 chemical substances by application Substances 0.000 claims 2
125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims 1
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 25
239000002023 wood Substances 0.000 description 19
229920005610 lignin Polymers 0.000 description 14
241001263092 Alchornea latifolia Species 0.000 description 13
241000142776 Pinus elliottii Species 0.000 description 10
150000004056 anthraquinones Chemical class 0.000 description 10
239000002655 kraft paper Substances 0.000 description 10
235000011121 sodium hydroxide Nutrition 0.000 description 10
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 description 9
235000012054 meals Nutrition 0.000 description 9
239000000126 substance Substances 0.000 description 7
GCDBEYOJCZLKMC-UHFFFAOYSA-N 2-hydroxyanthraquinone Chemical compound C1=CC=C2C(=O)C3=CC(O)=CC=C3C(=O)C2=C1 GCDBEYOJCZLKMC-UHFFFAOYSA-N 0.000 description 6
PCFMUWBCZZUMRX-UHFFFAOYSA-N 9,10-Dihydroxyanthracene Chemical class C1=CC=C2C(O)=C(C=CC=C3)C3=C(O)C2=C1 PCFMUWBCZZUMRX-UHFFFAOYSA-N 0.000 description 6
RGCKGOZRHPZPFP-UHFFFAOYSA-N alizarin Chemical compound C1=CC=C2C(=O)C3=C(O)C(O)=CC=C3C(=O)C2=C1 RGCKGOZRHPZPFP-UHFFFAOYSA-N 0.000 description 6
238000004519 manufacturing process Methods 0.000 description 6
230000007935 neutral effect Effects 0.000 description 6
238000011084 recovery Methods 0.000 description 6
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 6
241000218621 Pinus radiata Species 0.000 description 5
239000000123 paper Substances 0.000 description 5
239000011734 sodium Substances 0.000 description 5
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 4
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical class [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
239000001301 oxygen Substances 0.000 description 4
229910052760 oxygen Inorganic materials 0.000 description 4
229910052708 sodium Inorganic materials 0.000 description 4
GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 4
239000011122 softwood Substances 0.000 description 4
239000007787 solid Substances 0.000 description 4
239000000243 solution Substances 0.000 description 4
101100457461 Caenorhabditis elegans mnm-2 gene Proteins 0.000 description 3
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
230000000052 comparative effect Effects 0.000 description 3
KQPYUDDGWXQXHS-UHFFFAOYSA-N juglone Chemical compound O=C1C=CC(=O)C2=C1C=CC=C2O KQPYUDDGWXQXHS-UHFFFAOYSA-N 0.000 description 3
150000004053 quinones Chemical class 0.000 description 3
SDKPSXWGRWWLKR-UHFFFAOYSA-M sodium;9,10-dioxoanthracene-1-sulfonate Chemical compound [Na+].O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2S(=O)(=O)[O-] SDKPSXWGRWWLKR-UHFFFAOYSA-M 0.000 description 3
KOGHAOQITVWULR-UHFFFAOYSA-N 10-hydroxy-10h-anthracen-9-one Chemical compound C1=CC=C2C(O)C3=CC=CC=C3C(=O)C2=C1 KOGHAOQITVWULR-UHFFFAOYSA-N 0.000 description 2
IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
239000005864 Sulphur Substances 0.000 description 2
239000003513 alkali Substances 0.000 description 2
230000009286 beneficial effect Effects 0.000 description 2
150000004054 benzoquinones Chemical class 0.000 description 2
238000002485 combustion reaction Methods 0.000 description 2
230000029087 digestion Effects 0.000 description 2
239000011121 hardwood Substances 0.000 description 2
239000000463 material Substances 0.000 description 2
239000011087 paperboard Substances 0.000 description 2
230000035515 penetration Effects 0.000 description 2
238000002203 pretreatment Methods 0.000 description 2
238000004064 recycling Methods 0.000 description 2
230000001603 reducing effect Effects 0.000 description 2
229910000029 sodium carbonate Inorganic materials 0.000 description 2
235000010265 sodium sulphite Nutrition 0.000 description 2
230000003019 stabilising effect Effects 0.000 description 2
DDKSVQVCXGCWFW-UHFFFAOYSA-N 2,10-dihydroxy-10h-anthracen-9-one Chemical class OC1=CC=C2C(O)C3=CC=CC=C3C(=O)C2=C1 DDKSVQVCXGCWFW-UHFFFAOYSA-N 0.000 description 1
XOGPDSATLSAZEK-UHFFFAOYSA-N 2-Aminoanthraquinone Chemical class C1=CC=C2C(=O)C3=CC(N)=CC=C3C(=O)C2=C1 XOGPDSATLSAZEK-UHFFFAOYSA-N 0.000 description 1
DCWUANUJHFORNI-UHFFFAOYSA-N 2-amino-10-hydroxy-10h-anthracen-9-one Chemical class C1=CC=C2C(=O)C3=CC(N)=CC=C3C(O)C2=C1 DCWUANUJHFORNI-UHFFFAOYSA-N 0.000 description 1
IJJWOSAXNHWBPR-HUBLWGQQSA-N 5-[(3as,4s,6ar)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-n-(6-hydrazinyl-6-oxohexyl)pentanamide Chemical compound N1C(=O)N[C@@H]2[C@H](CCCCC(=O)NCCCCCC(=O)NN)SC[C@@H]21 IJJWOSAXNHWBPR-HUBLWGQQSA-N 0.000 description 1
JAJIPIAHCFBEPI-UHFFFAOYSA-N 9,10-dioxoanthracene-1-sulfonic acid Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2S(=O)(=O)O JAJIPIAHCFBEPI-UHFFFAOYSA-N 0.000 description 1
241000609240 Ambelania acida Species 0.000 description 1
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
241000196324 Embryophyta Species 0.000 description 1
PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
240000000797 Hibiscus cannabinus Species 0.000 description 1
AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 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
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 1
230000006978 adaptation Effects 0.000 description 1
239000012670 alkaline solution Substances 0.000 description 1
239000000908 ammonium hydroxide Substances 0.000 description 1
150000008425 anthrones Chemical class 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
239000010905 bagasse Substances 0.000 description 1
239000002585 base Substances 0.000 description 1
229910052796 boron Inorganic materials 0.000 description 1
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
239000000920 calcium hydroxide Substances 0.000 description 1
229910001861 calcium hydroxide Inorganic materials 0.000 description 1
150000001720 carbohydrates Chemical class 0.000 description 1
235000014633 carbohydrates Nutrition 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
229920002678 cellulose Polymers 0.000 description 1
235000010980 cellulose Nutrition 0.000 description 1
230000006378 damage Effects 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
238000009792 diffusion process Methods 0.000 description 1
230000003292 diminished effect Effects 0.000 description 1
150000002016 disaccharides Chemical class 0.000 description 1
MQRJBSHKWOFOGF-UHFFFAOYSA-L disodium;carbonate;hydrate Chemical compound O.[Na+].[Na+].[O-]C([O-])=O MQRJBSHKWOFOGF-UHFFFAOYSA-L 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
GRWZHXKQBITJKP-UHFFFAOYSA-N dithionous acid Chemical compound OS(=O)S(O)=O GRWZHXKQBITJKP-UHFFFAOYSA-N 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
238000003912 environmental pollution Methods 0.000 description 1
150000002169 ethanolamines Chemical class 0.000 description 1
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 1
230000008570 general process Effects 0.000 description 1
150000004338 hydroxy anthraquinones Chemical class 0.000 description 1
KQSBZNJFKWOQQK-UHFFFAOYSA-N hystazarin Natural products O=C1C2=CC=CC=C2C(=O)C2=C1C=C(O)C(O)=C2 KQSBZNJFKWOQQK-UHFFFAOYSA-N 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection 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
WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
150000002772 monosaccharides Chemical class 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
229920001542 oligosaccharide Polymers 0.000 description 1
150000002482 oligosaccharides Chemical class 0.000 description 1
150000002894 organic compounds Chemical class 0.000 description 1
239000002245 particle Substances 0.000 description 1
229920001282 polysaccharide Polymers 0.000 description 1
239000005017 polysaccharide Substances 0.000 description 1
150000004804 polysaccharides Chemical class 0.000 description 1
229920001021 polysulfide Polymers 0.000 description 1
238000012545 processing Methods 0.000 description 1
GGCZERPQGJTIQP-UHFFFAOYSA-M sodium 2-anthraquinonesulfonate Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)[O-])=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-M 0.000 description 1
159000000000 sodium salts Chemical class 0.000 description 1
AURROVOEOKOHQK-UHFFFAOYSA-M sodium;1,4-dioxonaphthalene-2-sulfonate Chemical compound [Na+].C1=CC=C2C(=O)C(S(=O)(=O)[O-])=CC(=O)C2=C1 AURROVOEOKOHQK-UHFFFAOYSA-M 0.000 description 1
NOJNFULGOQGBKB-UHFFFAOYSA-M sodium;3-[3-tert-butylsulfanyl-1-[[4-(6-ethoxypyridin-3-yl)phenyl]methyl]-5-[(5-methylpyridin-2-yl)methoxy]indol-2-yl]-2,2-dimethylpropanoate Chemical compound [Na+].C1=NC(OCC)=CC=C1C(C=C1)=CC=C1CN1C2=CC=C(OCC=3N=CC(C)=CC=3)C=C2C(SC(C)(C)C)=C1CC(C)(C)C([O-])=O NOJNFULGOQGBKB-UHFFFAOYSA-M 0.000 description 1
239000002904 solvent Substances 0.000 description 1
239000010902 straw Substances 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1
MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 description 1
FGQOOHJZONJGDT-UHFFFAOYSA-N vanillin Natural products COC1=CC(O)=CC(C=O)=C1 FGQOOHJZONJGDT-UHFFFAOYSA-N 0.000 description 1
235000012141 vanillin Nutrition 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

Landscapes

Paper (AREA)

CA368,143A 1976-06-02 1981-01-08 Methode de fabrication de la pate a papier Expired CA1107917A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA368,143A CA1107917A (fr)	1976-06-02	1981-01-08	Methode de fabrication de la pate a papier

Applications Claiming Priority (8)

Application Number	Priority Date	Filing Date	Title
AUPC6141/76		1976-06-02
AUPC614176		1976-06-02
AUPC747376		1976-09-23
AUPC7473/76		1976-09-23
AUPC845576		1976-12-13
AUPC8455/76		1976-12-13
CA279,203A CA1104762A (fr)	1976-06-02	1977-05-26	Methode d'obtention de la pate a papier
CA368,143A CA1107917A (fr)	1976-06-02	1981-01-08	Methode de fabrication de la pate a papier

Publications (1)

Publication Number	Publication Date
CA1107917A true CA1107917A (fr)	1981-09-01

Family

ID=27507335

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA368,143A Expired CA1107917A (fr)	1976-06-02	1981-01-08	Methode de fabrication de la pate a papier

Country Status (1)

Country	Link
CA (1)	CA1107917A (fr)

1981
- 1981-01-08 CA CA368,143A patent/CA1107917A/fr not_active Expired

Legal Events

Date	Code	Title	Description
1998-09-01	MKEX	Expiry

Publication	Publication Date	Title
CA1104762A (fr)	1981-07-14	Methode d'obtention de la pate a papier
US4178861A (en)	1979-12-18	Method for the delignification of lignocellulosic material in an amine delignifying liquor containing a quinone or hydroquinone compound
CA2935611C (fr)	2022-09-20	Procede d'extraction de lignine
US4597830A (en)	1986-07-01	Method and pulping composition for the selective delignification of lignocellulosic materials with an aqueous amine-alcohol mixture in the presence of a catalyst
US5470433A (en)	1995-11-28	Process for the delignification of cellulose fiber raw materials using alcohol and alkali
CA1110413A (fr)	1981-10-13	Methode pour reduire la matiere lignocellulosique en pate
US4091749A (en)	1978-05-30	Alkaline pulping of lignocellulosic material with amine pretreatment
US4045280A (en)	1977-08-30	Alkaline pulping of lignocellulosic material with amine and nitrate pretreatment
CA1107917A (fr)	1981-09-01	Methode de fabrication de la pate a papier
US2192202A (en)	1940-03-05	Pulping process
US3695994A (en)	1972-10-03	Impregnation of wood chips with a cellulose protector followed by a soda-oxygen pulping stage
US4329200A (en)	1982-05-11	Method and system for selective alkaline defiberization and delignification
US2110546A (en)	1938-03-08	Production of cellulose and cellulosic products
Chiang et al.	1983	Ammonium sulfide organosolv pulping
AT404478B (de)	1998-11-25	Celluloseherstellung
US3354030A (en)	1967-11-21	Alkaline sulfite digestion followed by acid digestion with bisulfite
CA1087892A (fr)	1980-10-21	Methode de defibrage par l'emploi d'alcalis
US2183643A (en)	1939-12-19	Manufacture of cellulose
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