DE3509712A1 - Verfahren zur verringerung der viskositaet von ablaugen aus einem zellstoffaufschlussverfahren oder von ligninsulfonaten - Google Patents
Verfahren zur verringerung der viskositaet von ablaugen aus einem zellstoffaufschlussverfahren oder von ligninsulfonatenInfo
- Publication number
- DE3509712A1 DE3509712A1 DE19853509712 DE3509712A DE3509712A1 DE 3509712 A1 DE3509712 A1 DE 3509712A1 DE 19853509712 DE19853509712 DE 19853509712 DE 3509712 A DE3509712 A DE 3509712A DE 3509712 A1 DE3509712 A1 DE 3509712A1
- Authority
- DE
- Germany
- Prior art keywords
- viscosity
- nitrogen compound
- added
- total mass
- amount
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 50
- 239000002699 waste material Substances 0.000 title claims abstract description 39
- 230000029087 digestion Effects 0.000 title claims abstract description 15
- 229910017464 nitrogen compound Inorganic materials 0.000 claims abstract description 26
- 150000002830 nitrogen compounds Chemical class 0.000 claims abstract description 26
- 229920001732 Lignosulfonate Polymers 0.000 claims description 33
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 18
- 239000004202 carbamide Substances 0.000 claims description 18
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 12
- 239000004117 Lignosulphonate Substances 0.000 claims description 6
- 235000019357 lignosulphonate Nutrition 0.000 claims description 6
- LVGQIQHJMRUCRM-UHFFFAOYSA-L calcium bisulfite Chemical compound [Ca+2].OS([O-])=O.OS([O-])=O LVGQIQHJMRUCRM-UHFFFAOYSA-L 0.000 claims description 4
- 235000010260 calcium hydrogen sulphite Nutrition 0.000 claims description 4
- 150000005846 sugar alcohols Polymers 0.000 claims description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 150000003949 imides Chemical class 0.000 claims description 2
- 238000002386 leaching Methods 0.000 claims description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims 1
- 239000000243 solution Substances 0.000 description 10
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 5
- 241000294754 Macroptilium atropurpureum Species 0.000 description 5
- 150000001768 cations Chemical class 0.000 description 5
- 239000008103 glucose Substances 0.000 description 5
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 5
- 238000004537 pulping Methods 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000001226 reprecipitation Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910021653 sulphate ion Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 150000003385 sodium Chemical class 0.000 description 2
- 229920005552 sodium lignosulfonate Polymers 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 2
- 235000000346 sugar Nutrition 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-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
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 229920005551 calcium lignosulfonate Polymers 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002402 hexoses Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002972 pentoses Chemical class 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229960002317 succinimide Drugs 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/005—Lignin
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Fertilizers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853509712 DE3509712A1 (de) | 1985-03-18 | 1985-03-18 | Verfahren zur verringerung der viskositaet von ablaugen aus einem zellstoffaufschlussverfahren oder von ligninsulfonaten |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853509712 DE3509712A1 (de) | 1985-03-18 | 1985-03-18 | Verfahren zur verringerung der viskositaet von ablaugen aus einem zellstoffaufschlussverfahren oder von ligninsulfonaten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3509712A1 true DE3509712A1 (de) | 1986-10-02 |
| DE3509712C2 DE3509712C2 (enrdf_load_stackoverflow) | 1989-10-05 |
Family
ID=6265569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853509712 Granted DE3509712A1 (de) | 1985-03-18 | 1985-03-18 | Verfahren zur verringerung der viskositaet von ablaugen aus einem zellstoffaufschlussverfahren oder von ligninsulfonaten |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3509712A1 (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996029466A1 (en) * | 1995-03-21 | 1996-09-26 | Optima Specialty Chemicals & Technology Inc. | High solids black liquor of reduced viscosity and viscosity reduction method for high solids black liquor |
| WO2019016636A1 (en) * | 2017-07-18 | 2019-01-24 | Stora Enso Oyj | LIQUID LIGNIN COMPOSITION COMPRISING LIGNIN, WATER, ALKALI AND UREA |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3006716A (en) * | 1958-12-17 | 1961-10-31 | Nalco Chemical Co | Corrosion prevention with polyaminecarboxylic acid product in black liquor evaporation process |
| US3776897A (en) * | 1971-08-06 | 1973-12-04 | Agency Ind Science Techn | Method for treatment of sulfite spent liquor |
-
1985
- 1985-03-18 DE DE19853509712 patent/DE3509712A1/de active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3006716A (en) * | 1958-12-17 | 1961-10-31 | Nalco Chemical Co | Corrosion prevention with polyaminecarboxylic acid product in black liquor evaporation process |
| US3776897A (en) * | 1971-08-06 | 1973-12-04 | Agency Ind Science Techn | Method for treatment of sulfite spent liquor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996029466A1 (en) * | 1995-03-21 | 1996-09-26 | Optima Specialty Chemicals & Technology Inc. | High solids black liquor of reduced viscosity and viscosity reduction method for high solids black liquor |
| WO2019016636A1 (en) * | 2017-07-18 | 2019-01-24 | Stora Enso Oyj | LIQUID LIGNIN COMPOSITION COMPRISING LIGNIN, WATER, ALKALI AND UREA |
| SE541439C2 (en) * | 2017-07-18 | 2019-10-01 | Stora Enso Oyj | Liquid lignin composition |
| CN110770303A (zh) * | 2017-07-18 | 2020-02-07 | 斯道拉恩索公司 | 包含木质素、水、碱和尿素的液态木质素组合物 |
| EP3655484B1 (en) | 2017-07-18 | 2023-10-18 | Stora Enso Oyj | Liquid lignin composition comprising lignin, water, alkali and urea |
| US12221545B2 (en) | 2017-07-18 | 2025-02-11 | Stora Enso Oyj | Liquid lignin composition comprising lignin, water, alkali and urea |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3509712C2 (enrdf_load_stackoverflow) | 1989-10-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1593165A1 (de) | Verfahren zum Herstellen ungesaettigter organischer Salze | |
| DE1771142A1 (de) | Mittel zur Verminderung des Wasserbedarfs und zur Verlaengerung der Abbindezeit von Portland-Zementmischungen | |
| DE2906528A1 (de) | Verfahren zur herstellung von ruebenschnitzeln hohen trockensubstanzgehaltes | |
| DE4103572A1 (de) | Verfahren zum delignifizieren von pflanzenfasermaterial | |
| DE69031906T2 (de) | Tanninextrahierung | |
| DE1594861A1 (de) | Cellulosebleichverfahren | |
| DE3509712A1 (de) | Verfahren zur verringerung der viskositaet von ablaugen aus einem zellstoffaufschlussverfahren oder von ligninsulfonaten | |
| DE68928822T2 (de) | Verfahren zur Herstellung von gebleichten chemithermomechanischen Zellstoffen | |
| DE2329774A1 (de) | Verfahren zur gewinnung von phenol aus abwaessern in form von harnstoffformaldehyd-phenol-kondensaten | |
| DE19603491C2 (de) | Verfahren zur Herstellung eines fasrigen Zellulosestoffes und dessen Verwendung | |
| EP4029985A1 (de) | Verfahren zur herstellung eines faserstoffgemischs | |
| DE102021100606A1 (de) | Verfahren zur Herstellung eines Faserstoffgemischs | |
| DE564738C (de) | Verfahren zur Herstellung von Sulfitzellstoff | |
| DE1302961B (de) | Verwendung von Produkten, die durch Umsetzung von Zellstoffkocherablauge mit Ammoniak und Sauerstoff hergestellt worden sind, als Düngemittel | |
| DE1803189A1 (de) | Verfahren zur Herstellung von bleichbarem Zellstoff | |
| DE1692855A1 (de) | Verfahren zum Aufarbeiten von Faserstoff | |
| DE1517226C (de) | Verfahren zur Herstellung von Zeil stoff hoher Reinheit | |
| DE2701566C3 (de) | Verfahren zur Herstellung eines Bodenverbesserung«- und/oder Düngemittels aus Hausmüll und Sulfitablauge Müller geb. Brünner, Ilse, 6086 Riedstadt; Reis, Alfred, 6081 Biebesheim | |
| DE588577C (de) | Verfahren zur Herstellung von Halbzellstoffen aus Stroh, Graesern oder aehnlichen Pflanzenstoffen | |
| DE856838C (de) | Verfahren zum Entlaugen von einem alkalischen Aufschlussverfahren unterworfenen Kocherstoffen | |
| WO2004061224A1 (de) | Papierzellstoff, verfahren zu dessen herstellung sowie verwendung des papierzellstoffes | |
| DE1151431C2 (de) | Verfahren zur herstellung von zellstoff aus lignozellulosehaltigem material | |
| DE3024420C2 (enrdf_load_stackoverflow) | ||
| AT265847B (de) | Kreisprozeß zur Herstellung von Zellstoff | |
| CH289696A (de) | Verfahren zur Gewinnung eines Ligninharzes. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |