DE2123497C3 - Verfahren zur Herstellung von Sulfatpulpen zur Erzielung von Pulpen mit einem vorherbestimmten Maß an Delignifizierung - Google Patents
Verfahren zur Herstellung von Sulfatpulpen zur Erzielung von Pulpen mit einem vorherbestimmten Maß an DelignifizierungInfo
- Publication number
- DE2123497C3 DE2123497C3 DE2123497A DE2123497A DE2123497C3 DE 2123497 C3 DE2123497 C3 DE 2123497C3 DE 2123497 A DE2123497 A DE 2123497A DE 2123497 A DE2123497 A DE 2123497A DE 2123497 C3 DE2123497 C3 DE 2123497C3
- Authority
- DE
- Germany
- Prior art keywords
- cooking
- delignification
- pulp
- acid
- temperature
- 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 description 46
- 230000008569 process Effects 0.000 title claims description 21
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title claims description 18
- 229910021653 sulphate ion Inorganic materials 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 238000010411 cooking Methods 0.000 claims description 112
- 239000003513 alkali Substances 0.000 claims description 50
- 239000002023 wood Substances 0.000 claims description 41
- 239000002253 acid Substances 0.000 claims description 24
- 238000004537 pulping Methods 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 17
- 239000000126 substance Substances 0.000 claims description 13
- 238000004448 titration Methods 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 239000007858 starting material Substances 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 150000007522 mineralic acids Chemical class 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 41
- 238000013459 approach Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 5
- 235000011613 Pinus brutia Nutrition 0.000 description 5
- 241000018646 Pinus brutia Species 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000004061 bleaching Methods 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- 102100030386 Granzyme A Human genes 0.000 description 2
- 101001009599 Homo sapiens Granzyme A Proteins 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 229940072033 potash Drugs 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 235000015320 potassium carbonate Nutrition 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052979 sodium sulfide Inorganic materials 0.000 description 2
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 244000283070 Abies balsamea Species 0.000 description 1
- 235000007173 Abies balsamea Nutrition 0.000 description 1
- 241000208140 Acer Species 0.000 description 1
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- 241000167854 Bourreria succulenta Species 0.000 description 1
- 241001070941 Castanea Species 0.000 description 1
- 235000014036 Castanea Nutrition 0.000 description 1
- 241000218645 Cedrus Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 244000166124 Eucalyptus globulus Species 0.000 description 1
- 240000000731 Fagus sylvatica Species 0.000 description 1
- 235000010099 Fagus sylvatica Nutrition 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 241000218657 Picea Species 0.000 description 1
- 241000183024 Populus tremula Species 0.000 description 1
- 241000219492 Quercus Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 241000051616 Ulmus minor Species 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 235000019693 cherries Nutrition 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 229940071870 hydroiodic acid Drugs 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000004968 peroxymonosulfuric acids Chemical class 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 229940005657 pyrophosphoric acid Drugs 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000000954 titration curve Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical compound OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- D21C3/228—Automation of the pulping processes
Landscapes
- Paper (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE06795/70A SE367451B (https=) | 1970-05-15 | 1970-05-15 | |
| US14222671A | 1971-05-11 | 1971-05-11 | |
| US402697A US3886034A (en) | 1970-05-15 | 1973-10-02 | Process for determining the conditions needed in controllably obtaining sulfate pulp having a predetermined kappa number |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2123497A1 DE2123497A1 (de) | 1971-11-25 |
| DE2123497B2 DE2123497B2 (de) | 1977-11-24 |
| DE2123497C3 true DE2123497C3 (de) | 1978-08-03 |
Family
ID=27354422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2123497A Expired DE2123497C3 (de) | 1970-05-15 | 1971-05-12 | Verfahren zur Herstellung von Sulfatpulpen zur Erzielung von Pulpen mit einem vorherbestimmten Maß an Delignifizierung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3886034A (https=) |
| AT (1) | AT319735B (https=) |
| CA (1) | CA944905A (https=) |
| DE (1) | DE2123497C3 (https=) |
| FR (1) | FR2091637A5 (https=) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941649A (en) * | 1972-07-14 | 1976-03-02 | Mo Och Domsjo Aktiebolag | Process for obtaining a predetermined Kappa number in sulfate pulping |
| FI80526C (fi) * | 1986-09-08 | 1990-06-11 | Savcor Consulting Oy | Foerfarande foer styrning av cellulosakok. |
| DE9017325U1 (de) * | 1990-12-21 | 1992-01-02 | Siemens AG, 8000 München | Prozeßleitsystem zur Steuerung der Herstellung von Zellstoff |
| US5282931A (en) * | 1992-07-08 | 1994-02-01 | Pulp And Paper Research Institute Of Canada | Determination and control of effective alkali in kraft liquors by IR spectroscopy |
| EP0854953B1 (de) * | 1995-10-09 | 2000-02-09 | Siemens Aktiengesellschaft | Verfahren zur bestimmung des endpunktes der zellstoffkochung und anordnung zum steuern der kochzeit bei der zellstoffkochung in einem reaktor |
| USD378439S (en) * | 1995-11-21 | 1997-03-11 | Industrial Molding Corporation | Light support stake |
| USD377844S (en) * | 1996-01-16 | 1997-02-04 | Industrial Molding Corporation | Light support stake |
| US6174409B1 (en) * | 1997-09-19 | 2001-01-16 | American Air Liquide Inc. | Method to improve final bleached pulp strength properties by adjusting the CI02:03 ration within a single (D/Z) stage of the bleaching process |
| US6339222B1 (en) | 1998-11-12 | 2002-01-15 | Kvaerner Canada Inc. | Determination of ionic species concentration by near infrared spectroscopy |
| US6635147B1 (en) * | 2000-05-14 | 2003-10-21 | U.S. Borax Inc. | Method for analyzing boron-containing alkaline pulping liquors |
| RU2011149467A (ru) * | 2009-05-06 | 2013-06-20 | ЭфПиИННОВЕЙШНЗ | Кристаллическая сульфатированная целлюлоза ii и ее получение сернокислотным гидролизом целлюлозы |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB855708A (en) * | 1956-02-27 | 1960-12-07 | Ici Ltd | Improvements in and relating to the determination and control of compositions in chemical processes by titration |
| US3553075A (en) * | 1968-04-01 | 1971-01-05 | Calgon Corp | Method for controlling the hydroxide ion concentration in pulp digestion liquor |
-
1971
- 1971-05-12 DE DE2123497A patent/DE2123497C3/de not_active Expired
- 1971-05-13 CA CA112,925A patent/CA944905A/en not_active Expired
- 1971-05-14 FR FR7117562A patent/FR2091637A5/fr not_active Expired
- 1971-05-14 AT AT423771A patent/AT319735B/de not_active IP Right Cessation
-
1973
- 1973-10-02 US US402697A patent/US3886034A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA944905A (en) | 1974-04-09 |
| US3886034A (en) | 1975-05-27 |
| AT319735B (de) | 1975-01-10 |
| DE2123497B2 (de) | 1977-11-24 |
| DE2123497A1 (de) | 1971-11-25 |
| FR2091637A5 (https=) | 1972-01-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) |