AU676829B2 - Pulping of fibrous plant materials and recovery of resultantby-products - Google Patents

Pulping of fibrous plant materials and recovery of resultantby-products Download PDF

Info

Publication number: AU676829B2
Authority: AU; Australia
Prior art keywords: organic solvent; miscible organic; black liquor; water miscible; lignin
Prior art date: 1992-01-29
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.): Ceased

Application number

AU36649/93A

Other languages

English (en)

Other versions

AU3664993A (en

Inventor

Richard C Agar

Malcolm Cronlund

Goyal C Gopal

Raphael Katzen

Ron Leblanc

Jairo H. Lora

Mikhail N Raskin

Stephen R. Winner

Chih Fae Wu

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.)

Alcell Technologies Inc

Original Assignee

Alcell Technologies Inc

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.)

1992-01-29

Filing date

1993-01-29

Publication date

1997-03-27

1992-01-29 Priority claimed from PCT/US1992/000720 external-priority patent/WO1992013849A1/fr

1993-01-29 Application filed by Alcell Technologies Inc filed Critical Alcell Technologies Inc

1993-09-01 Publication of AU3664993A publication Critical patent/AU3664993A/en

1997-03-27 Application granted granted Critical

1997-03-27 Publication of AU676829B2 publication Critical patent/AU676829B2/en

2013-01-29 Anticipated expiration legal-status Critical

Status Ceased legal-status Critical Current

Links

238000004537 pulping Methods 0.000 title claims description 94
239000000463 material Substances 0.000 title claims description 24
238000011084 recovery Methods 0.000 title description 37
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 279
HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 claims description 269
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 203
229920005610 lignin Polymers 0.000 claims description 193
239000003960 organic solvent Substances 0.000 claims description 183
238000000034 method Methods 0.000 claims description 169
239000000203 mixture Substances 0.000 claims description 153
230000008569 process Effects 0.000 claims description 153
238000010411 cooking Methods 0.000 claims description 150
239000002904 solvent Substances 0.000 claims description 117
239000002002 slurry Substances 0.000 claims description 111
239000001913 cellulose Substances 0.000 claims description 110
229920002678 cellulose Polymers 0.000 claims description 110
239000000706 filtrate Substances 0.000 claims description 93
239000012978 lignocellulosic material Substances 0.000 claims description 78
238000000605 extraction Methods 0.000 claims description 54
238000001816 cooling Methods 0.000 claims description 50
239000002253 acid Substances 0.000 claims description 47
238000004061 bleaching Methods 0.000 claims description 47
238000004064 recycling Methods 0.000 claims description 42
238000002156 mixing Methods 0.000 claims description 41
238000005406 washing Methods 0.000 claims description 39
238000005470 impregnation Methods 0.000 claims description 24
238000010438 heat treatment Methods 0.000 claims description 20
239000008346 aqueous phase Substances 0.000 claims description 17
230000002378 acidificating effect Effects 0.000 claims description 15
239000012074 organic phase Substances 0.000 claims description 15
230000007935 neutral effect Effects 0.000 claims description 13
GIOCILWWMFZESP-UHFFFAOYSA-N 2-hydroxyethyl butanoate Chemical compound CCCC(=O)OCCO GIOCILWWMFZESP-UHFFFAOYSA-N 0.000 claims description 12
239000000284 extract Substances 0.000 claims description 12
238000000926 separation method Methods 0.000 claims description 11
239000011877 solvent mixture Substances 0.000 claims description 9
239000012634 fragment Substances 0.000 claims description 7
238000005086 pumping Methods 0.000 claims description 4
239000006286 aqueous extract Substances 0.000 claims 8
CMXPERZAMAQXSF-UHFFFAOYSA-M sodium;1,4-bis(2-ethylhexoxy)-1,4-dioxobutane-2-sulfonate;1,8-dihydroxyanthracene-9,10-dione Chemical compound [Na+].O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=CC=C2O.CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC CMXPERZAMAQXSF-UHFFFAOYSA-M 0.000 claims 1
239000007787 solid Substances 0.000 description 25
239000007788 liquid Substances 0.000 description 23
241000196324 Embryophyta Species 0.000 description 22
239000006227 byproduct Substances 0.000 description 18
239000002023 wood Substances 0.000 description 14
239000000243 solution Substances 0.000 description 13
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
239000002244 precipitate Substances 0.000 description 9
239000006228 supernatant Substances 0.000 description 8
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
239000011121 hardwood Substances 0.000 description 7
239000001301 oxygen Substances 0.000 description 7
229910052760 oxygen Inorganic materials 0.000 description 7
238000005373 pervaporation Methods 0.000 description 7
230000001376 precipitating effect Effects 0.000 description 7
230000009467 reduction Effects 0.000 description 7
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
229920002488 Hemicellulose Polymers 0.000 description 6
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-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
KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 6
238000007865 diluting Methods 0.000 description 6
238000010790 dilution Methods 0.000 description 6
239000012895 dilution Substances 0.000 description 6
238000000746 purification Methods 0.000 description 6
239000000126 substance Substances 0.000 description 6
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
239000012528 membrane Substances 0.000 description 5
150000007524 organic acids Chemical class 0.000 description 5
235000000346 sugar Nutrition 0.000 description 5
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
238000010793 Steam injection (oil industry) Methods 0.000 description 4
QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 description 4
238000004821 distillation Methods 0.000 description 4
229910052500 inorganic mineral Inorganic materials 0.000 description 4
238000004519 manufacturing process Methods 0.000 description 4
239000011707 mineral Substances 0.000 description 4
235000010755 mineral Nutrition 0.000 description 4
238000001556 precipitation Methods 0.000 description 4
239000000047 product Substances 0.000 description 4
150000008163 sugars Chemical class 0.000 description 4
238000011282 treatment Methods 0.000 description 4
DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 3
AFENDNXGAFYKQO-VKHMYHEASA-N (S)-2-hydroxybutyric acid Chemical compound CC[C@H](O)C(O)=O AFENDNXGAFYKQO-VKHMYHEASA-N 0.000 description 3
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 description 3
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
239000012223 aqueous fraction Substances 0.000 description 3
150000001720 carbohydrates Chemical class 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 3
238000010924 continuous production Methods 0.000 description 3
230000018044 dehydration Effects 0.000 description 3
238000006297 dehydration reaction Methods 0.000 description 3
230000009477 glass transition Effects 0.000 description 3
230000006872 improvement Effects 0.000 description 3
239000002655 kraft paper Substances 0.000 description 3
235000005985 organic acids Nutrition 0.000 description 3
229960003330 pentetic acid Drugs 0.000 description 3
-1 peroxy compound Chemical class 0.000 description 3
125000000864 peroxy group Chemical group O(O*)* 0.000 description 3
238000010025 steaming Methods 0.000 description 3
SRBFZHDQGSBBOR-IOVATXLUSA-N D-xylopyranose Chemical compound O[C@@H]1COC(O)[C@H](O)[C@H]1O SRBFZHDQGSBBOR-IOVATXLUSA-N 0.000 description 2
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
239000004606 Fillers/Extenders Substances 0.000 description 2
YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
150000001243 acetic acids Chemical class 0.000 description 2
229910000147 aluminium phosphate Inorganic materials 0.000 description 2
238000010923 batch production Methods 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
239000003518 caustics Substances 0.000 description 2
239000003795 chemical substances by application Substances 0.000 description 2
230000029087 digestion Effects 0.000 description 2
238000001035 drying Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000002657 fibrous material Substances 0.000 description 2
150000004674 formic acids Chemical class 0.000 description 2
ZOCHHNOQQHDWHG-UHFFFAOYSA-N hexan-3-ol Chemical compound CCCC(O)CC ZOCHHNOQQHDWHG-UHFFFAOYSA-N 0.000 description 2
229910052943 magnesium sulfate Inorganic materials 0.000 description 2
235000019341 magnesium sulphate Nutrition 0.000 description 2
GRVDJDISBSALJP-UHFFFAOYSA-N methyloxidanyl Chemical group [O]C GRVDJDISBSALJP-UHFFFAOYSA-N 0.000 description 2
LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 2
235000006408 oxalic acid Nutrition 0.000 description 2
238000010979 pH adjustment Methods 0.000 description 2
150000004965 peroxy acids Chemical class 0.000 description 2
150000002989 phenols Chemical class 0.000 description 2
239000000843 powder Substances 0.000 description 2
230000035484 reaction time Effects 0.000 description 2
230000003134 recirculating effect Effects 0.000 description 2
229920005989 resin Polymers 0.000 description 2
239000011347 resin Substances 0.000 description 2
239000011734 sodium Substances 0.000 description 2
229910052708 sodium Inorganic materials 0.000 description 2
239000011122 softwood Substances 0.000 description 2
241000894007 species Species 0.000 description 2
KCDXJAYRVLXPFO-UHFFFAOYSA-N syringaldehyde Chemical compound COC1=CC(C=O)=CC(OC)=C1O KCDXJAYRVLXPFO-UHFFFAOYSA-N 0.000 description 2
COBXDAOIDYGHGK-UHFFFAOYSA-N syringaldehyde Natural products COC1=CC=C(C=O)C(OC)=C1O COBXDAOIDYGHGK-UHFFFAOYSA-N 0.000 description 2
239000006188 syrup Substances 0.000 description 2
235000020357 syrup Nutrition 0.000 description 2
235000018553 tannin Nutrition 0.000 description 2
229920001864 tannin Polymers 0.000 description 2
239000001648 tannin Substances 0.000 description 2
KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
241000208140 Acer Species 0.000 description 1
240000007474 Aloe arborescens Species 0.000 description 1
241000609240 Ambelania acida Species 0.000 description 1
235000017166 Bambusa arundinacea Nutrition 0.000 description 1
235000017491 Bambusa tulda Nutrition 0.000 description 1
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
240000000797 Hibiscus cannabinus Species 0.000 description 1
241000208682 Liquidambar Species 0.000 description 1
235000006552 Liquidambar styraciflua Nutrition 0.000 description 1
244000082204 Phyllostachys viridis Species 0.000 description 1
235000015334 Phyllostachys viridis Nutrition 0.000 description 1
241000218657 Picea Species 0.000 description 1
239000004372 Polyvinyl alcohol Substances 0.000 description 1
241000183024 Populus tremula Species 0.000 description 1
241000219492 Quercus Species 0.000 description 1
239000004115 Sodium Silicate Substances 0.000 description 1
DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 1
229910052770 Uranium Inorganic materials 0.000 description 1
239000003929 acidic solution Substances 0.000 description 1
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
238000013019 agitation Methods 0.000 description 1
238000003915 air pollution Methods 0.000 description 1
239000003513 alkali Substances 0.000 description 1
239000012670 alkaline solution Substances 0.000 description 1
239000003963 antioxidant agent Substances 0.000 description 1
239000007864 aqueous solution Substances 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
239000010905 bagasse Substances 0.000 description 1
239000011425 bamboo Substances 0.000 description 1
230000004888 barrier function Effects 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
239000011230 binding agent Substances 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
125000004432 carbon atom Chemical group C* 0.000 description 1
238000003421 catalytic decomposition reaction Methods 0.000 description 1
235000013339 cereals Nutrition 0.000 description 1
239000013043 chemical agent Substances 0.000 description 1
238000007385 chemical modification Methods 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
230000003749 cleanliness Effects 0.000 description 1
238000013270 controlled release Methods 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
239000002274 desiccant Substances 0.000 description 1
229910001882 dioxygen Inorganic materials 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
238000009826 distribution Methods 0.000 description 1
239000003822 epoxy resin Substances 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
239000000835 fiber Substances 0.000 description 1
239000011152 fibreglass Substances 0.000 description 1
239000000446 fuel Substances 0.000 description 1
239000007789 gas Substances 0.000 description 1
LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
229910052742 iron Inorganic materials 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
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
229910021645 metal ion Inorganic materials 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
238000000465 moulding Methods 0.000 description 1
229910017604 nitric acid Inorganic materials 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
239000002245 particle Substances 0.000 description 1
150000002978 peroxides Chemical group 0.000 description 1
ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
229920001568 phenolic resin Polymers 0.000 description 1
239000011120 plywood Substances 0.000 description 1
229920000647 polyepoxide Polymers 0.000 description 1
235000013824 polyphenols Nutrition 0.000 description 1
229920002451 polyvinyl alcohol Polymers 0.000 description 1
230000002028 premature Effects 0.000 description 1
238000011027 product recovery Methods 0.000 description 1
239000013055 pulp slurry Substances 0.000 description 1
239000011541 reaction mixture Substances 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
235000017557 sodium bicarbonate Nutrition 0.000 description 1
229910000029 sodium carbonate Inorganic materials 0.000 description 1
NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
229910052911 sodium silicate Inorganic materials 0.000 description 1
239000002910 solid waste Substances 0.000 description 1
230000003068 static effect Effects 0.000 description 1
239000010902 straw Substances 0.000 description 1
239000000725 suspension Substances 0.000 description 1
229920002803 thermoplastic polyurethane Polymers 0.000 description 1
230000008719 thickening Effects 0.000 description 1
MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 description 1
235000012141 vanillin Nutrition 0.000 description 1
FGQOOHJZONJGDT-UHFFFAOYSA-N vanillin Natural products COC1=CC(O)=CC(C=O)=C1 FGQOOHJZONJGDT-UHFFFAOYSA-N 0.000 description 1
238000009834 vaporization Methods 0.000 description 1
238000003911 water pollution Methods 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
- D21C11/0028—Effluents derived from the washing or bleaching plants
- 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
- D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment

Landscapes

Paper (AREA)

AU36649/93A 1992-01-29 1993-01-29 Pulping of fibrous plant materials and recovery of resultantby-products Ceased AU676829B2 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
WOUS9200720		1992-01-29
PCT/US1992/000720 WO1992013849A1 (fr)	1991-02-01	1992-01-29	Reduction en pate de matieres lignocellulosiques et recuperation des sous-produits qui en resultent
PCT/US1993/001256 WO1993015261A1 (fr)	1992-01-29	1993-01-29	Reduction en pate de materiaux vegetaux fibreux et recuperation de sous-produits resultants

Related Child Applications (2)

Application Number	Title	Priority Date	Filing Date
AU12397/97A Division AU1239797A (en)	1992-01-29	1997-01-30	Washing of pulp
AU12398/97A Division AU1239897A (en)	1992-01-29	1997-01-30	Washing of pulp

Publications (2)

Publication Number	Publication Date
AU3664993A AU3664993A (en)	1993-09-01
AU676829B2 true AU676829B2 (en)	1997-03-27

Family

ID=22230761

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
AU36649/93A Ceased AU676829B2 (en)	1992-01-29	1993-01-29	Pulping of fibrous plant materials and recovery of resultantby-products
AU12398/97A Abandoned AU1239897A (en)	1992-01-29	1997-01-30	Washing of pulp
AU12397/97A Abandoned AU1239797A (en)	1992-01-29	1997-01-30	Washing of pulp

Family Applications After (2)

Application Number	Title	Priority Date	Filing Date
AU12398/97A Abandoned AU1239897A (en)	1992-01-29	1997-01-30	Washing of pulp
AU12397/97A Abandoned AU1239797A (en)	1992-01-29	1997-01-30	Washing of pulp

Country Status (8)

Country	Link
EP (1)	EP0746650A4 (fr)
JP (1)	JPH08500854A (fr)
AU (3)	AU676829B2 (fr)
BR (1)	BR9305819A (fr)
CA (1)	CA2116544A1 (fr)
FI (1)	FI943541A7 (fr)
NO (1)	NO942824L (fr)
WO (1)	WO1993015261A1 (fr)

Families Citing this family (21)

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1993
- 1993-01-29 BR BR9305819A patent/BR9305819A/pt not_active Application Discontinuation
- 1993-01-29 EP EP93905902A patent/EP0746650A4/fr not_active Withdrawn
- 1993-01-29 JP JP5513540A patent/JPH08500854A/ja active Pending
- 1993-01-29 WO PCT/US1993/001256 patent/WO1993015261A1/fr not_active Ceased
- 1993-01-29 CA CA002116544A patent/CA2116544A1/fr not_active Abandoned
- 1993-01-29 AU AU36649/93A patent/AU676829B2/en not_active Ceased
1994
- 1994-07-28 FI FI943541A patent/FI943541A7/fi unknown
- 1994-07-29 NO NO942824A patent/NO942824L/no unknown
1997
- 1997-01-30 AU AU12398/97A patent/AU1239897A/en not_active Abandoned
- 1997-01-30 AU AU12397/97A patent/AU1239797A/en not_active Abandoned

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Also Published As

Publication number	Publication date
CA2116544A1 (fr)	1993-08-05
AU1239797A (en)	1997-03-13
NO942824D0 (no)	1994-07-29
AU1239897A (en)	1997-03-20
WO1993015261A1 (fr)	1993-08-05
JPH08500854A (ja)	1996-01-30
NO942824L (no)	1994-09-28
FI943541A7 (fi)	1994-09-19
AU3664993A (en)	1993-09-01
FI943541A0 (fi)	1994-07-28
BR9305819A (pt)	1997-02-18
EP0746650A1 (fr)	1996-12-11
EP0746650A4 (fr)	1998-01-07

Publication	Publication Date	Title
US5788812A (en)	1998-08-04	Method of recovering furfural from organic pulping liquor
AU676829B2 (en)	1997-03-27	Pulping of fibrous plant materials and recovery of resultantby-products
AU1744892A (en)	1992-09-07	Pulping of lignocellulosic materials and recovery of resultant by-products
US4764596A (en)	1988-08-16	Recovery of lignin
EP0224721B1 (fr)	1991-06-05	Obtention de la lignine
JP3348387B2 (ja)	2002-11-20	ギ酸を添加した酢酸によるパルプの製法
CA2659015C (fr)	2015-09-15	Procede de traitement etape par etape d'un materiau lignocellulosique pour produire des composes chimiques de base reactifs
US20150072389A1 (en)	2015-03-12	Process for the stepwise treatment of lignocellulosic material to produce reactive chemical feedstocks
AU6270596A (en)	1996-12-30	Modified organosolv pulping
US11401252B2 (en)	2022-08-02	Lignin recovery and furfural production from prehydrolysate streams
CA1111694A (fr)	1981-11-03	Methode et installation de digestion continue de fibres vegetales
CN105672016B (zh)	2018-03-30	一种有机溶剂法纸浆的洗涤和溶剂回收方法
EP3822407B1 (fr)	2025-02-12	Procédé de production de bioproduits à partir d'un matériau lignocellulosique
EP3562813B1 (fr)	2025-09-24	Procédé et appareil pour la séparation de fulfural
US11040950B2 (en)	2021-06-22	Method and an apparatus for recovering furfural
Cheng	2021	Industrial scale lignin recovery from pulping liquors
HK1011551A (en)	1999-07-16	Modified organosolv pulping
JPS61231292A (ja)	1986-10-15	パルプの製造方法