DE2327407C3 - Verfahren zur LJgninzerstörung oder zum Bleichen von chemisch aufbereitetem Stoff bzw. Zellstoff - Google Patents
Verfahren zur LJgninzerstörung oder zum Bleichen von chemisch aufbereitetem Stoff bzw. ZellstoffInfo
- Publication number
- DE2327407C3 DE2327407C3 DE2327407A DE2327407A DE2327407C3 DE 2327407 C3 DE2327407 C3 DE 2327407C3 DE 2327407 A DE2327407 A DE 2327407A DE 2327407 A DE2327407 A DE 2327407A DE 2327407 C3 DE2327407 C3 DE 2327407C3
- Authority
- DE
- Germany
- Prior art keywords
- pulp
- nitrogen
- active
- whiteness
- consistency
- 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 27
- 239000000463 material Substances 0.000 title claims description 19
- 238000004061 bleaching Methods 0.000 title claims description 16
- 230000008569 process Effects 0.000 title claims description 13
- 229920005610 lignin Polymers 0.000 title claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 98
- 229910052757 nitrogen Inorganic materials 0.000 claims description 45
- 229920001131 Pulp (paper) Polymers 0.000 claims description 33
- 239000007789 gas Substances 0.000 claims description 30
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 28
- 238000011282 treatment Methods 0.000 claims description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 19
- 239000001301 oxygen Substances 0.000 claims description 19
- 229910052760 oxygen Inorganic materials 0.000 claims description 19
- 239000004744 fabric Substances 0.000 claims description 15
- 229910052786 argon Inorganic materials 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 10
- 239000001307 helium Substances 0.000 claims description 9
- 229910052734 helium Inorganic materials 0.000 claims description 9
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 9
- 229910052743 krypton Inorganic materials 0.000 claims description 9
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 229910052754 neon Inorganic materials 0.000 claims description 8
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 8
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 33
- 238000006243 chemical reaction Methods 0.000 description 16
- 239000000126 substance Substances 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000000605 extraction Methods 0.000 description 11
- 238000005406 washing Methods 0.000 description 10
- 239000008367 deionised water Substances 0.000 description 9
- 229910021641 deionized water Inorganic materials 0.000 description 9
- 229910001873 dinitrogen Inorganic materials 0.000 description 8
- 239000008246 gaseous mixture Substances 0.000 description 8
- 230000032683 aging Effects 0.000 description 7
- 229910052724 xenon Inorganic materials 0.000 description 7
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 7
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 6
- 239000002655 kraft paper Substances 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 239000002023 wood Substances 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000004155 Chlorine dioxide Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000007844 bleaching agent Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 235000019398 chlorine dioxide Nutrition 0.000 description 3
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 3
- 210000004072 lung Anatomy 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 241001550224 Apha Species 0.000 description 2
- NHYCGSASNAIGLD-UHFFFAOYSA-N Chlorine monoxide Chemical compound Cl[O] NHYCGSASNAIGLD-UHFFFAOYSA-N 0.000 description 2
- 241000218631 Coniferophyta Species 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000005281 excited state Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- -1 ozone peroxides Chemical class 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000010875 treated wood Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical class [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 241000218657 Picea Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- ATSGLBOJGVTHHC-UHFFFAOYSA-N bis(ethane-1,2-diamine)copper(2+) Chemical compound [Cu+2].NCCN.NCCN ATSGLBOJGVTHHC-UHFFFAOYSA-N 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
- 229910001902 chlorine oxide Inorganic materials 0.000 description 1
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical class OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 239000002699 waste material Substances 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1063—Bleaching ; Apparatus therefor with compounds not otherwise provided for, e.g. activated gases
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA143,298A CA973660A (en) | 1972-05-29 | 1972-05-29 | Treatment of cellulosic matter with active nitrogen |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2327407A1 DE2327407A1 (de) | 1973-12-13 |
DE2327407B2 DE2327407B2 (de) | 1977-10-13 |
DE2327407C3 true DE2327407C3 (de) | 1978-06-08 |
Family
ID=4093395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2327407A Expired DE2327407C3 (de) | 1972-05-29 | 1973-05-29 | Verfahren zur LJgninzerstörung oder zum Bleichen von chemisch aufbereitetem Stoff bzw. Zellstoff |
Country Status (11)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4216054A (en) | 1977-09-26 | 1980-08-05 | Weyerhaeuser Company | Low-consistency ozone delignification |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2255418B1 (enrdf_load_stackoverflow) * | 1973-12-21 | 1976-05-07 | Europeen Cellulose | |
JPS52120260U (enrdf_load_stackoverflow) * | 1976-03-11 | 1977-09-12 | ||
US4080249A (en) * | 1976-06-02 | 1978-03-21 | International Paper Company | Delignification and bleaching of a lignocellulosic pulp slurry with ozone |
US4372812A (en) * | 1978-04-07 | 1983-02-08 | International Paper Company | Chlorine free process for bleaching lignocellulosic pulp |
US4410397A (en) * | 1978-04-07 | 1983-10-18 | International Paper Company | Delignification and bleaching process and solution for lignocellulosic pulp with peroxide in the presence of metal additives |
US4427490A (en) | 1978-04-07 | 1984-01-24 | International Paper Company | Delignification and bleaching process for lignocellulosic pulp with peroxide in the presence of metal additives |
US4294654A (en) * | 1980-03-21 | 1981-10-13 | International Paper Company | Delignification and bleaching of lignocellulosic pulp via photo-oxygenation |
EP0112377B1 (en) * | 1982-06-24 | 1986-11-12 | Scott Paper Company | Ozone bleaching of cellulosic materials |
GR81673B (enrdf_load_stackoverflow) * | 1983-05-06 | 1984-12-12 | Personal Products Co | |
US4597930A (en) * | 1983-07-11 | 1986-07-01 | Szal John R | Method of manufacture of a felted fibrous product from a nonaqueous medium |
JPS634434U (enrdf_load_stackoverflow) * | 1986-06-26 | 1988-01-12 | ||
JPS6440723A (en) * | 1987-08-07 | 1989-02-13 | Nippon Seiko Kk | Clutch release bearing device |
JPH0180829U (enrdf_load_stackoverflow) * | 1987-11-18 | 1989-05-30 | ||
US5139613A (en) * | 1988-01-21 | 1992-08-18 | Canadian Liquid Air Limited | Process for preparing a paper pulp using carbon dioxide as an acidifying agent for a bleached pulp |
US5770010A (en) * | 1995-04-20 | 1998-06-23 | R-J Holding Company | Pulping process employing nascent oxygen |
FI110533B (fi) * | 2000-05-04 | 2003-02-14 | Aga Ab | Menetelmä mikrobikasvun torjumiseksi |
DE102005049230A1 (de) * | 2005-06-16 | 2006-12-28 | Siemens Ag | Verfahren zur Behandlung unverwobener Faserstoffe und Vorrichtung zum Bleichen |
DE102005049231A1 (de) * | 2005-06-16 | 2006-12-28 | Siemens Ag | Verfahren zur Behandlung eines Prozessgutes bei der Herstellung von Papier, Karton oder Pappe |
DE102005049274A1 (de) * | 2005-06-16 | 2006-12-28 | Siemens Ag | Verfahren zur Behandlung eines Prozessgutes mit großflächigem Plasma |
DE102006024404A1 (de) * | 2006-05-24 | 2007-11-29 | Siemens Ag | Verfahren zur Verbesserung der Qualität einer Faser-Suspension |
US20090090478A1 (en) * | 2007-10-05 | 2009-04-09 | Hollomon Martha G | Selectivity improvement in oxygen delignification and bleaching of lignocellulose pulp using singlet oxygen |
-
1972
- 1972-05-29 CA CA143,298A patent/CA973660A/en not_active Expired
-
1973
- 1973-05-16 US US00360971A patent/US3806404A/en not_active Expired - Lifetime
- 1973-05-23 AR AR248206A patent/AR200489A1/es active
- 1973-05-25 SE SE7307413A patent/SE396970B/xx unknown
- 1973-05-28 JP JP48059635A patent/JPS5034642B2/ja not_active Expired
- 1973-05-28 SU SU7301925441A patent/SU578015A3/ru active
- 1973-05-28 BR BR3947/73A patent/BR7303947D0/pt unknown
- 1973-05-28 AU AU56214/73A patent/AU469963B2/en not_active Expired
- 1973-05-29 DE DE2327407A patent/DE2327407C3/de not_active Expired
- 1973-05-29 FR FR7319406A patent/FR2186572B1/fr not_active Expired
- 1973-05-29 IT IT50277/73A patent/IT1000024B/it active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4216054A (en) | 1977-09-26 | 1980-08-05 | Weyerhaeuser Company | Low-consistency ozone delignification |
Also Published As
Publication number | Publication date |
---|---|
IT1000024B (it) | 1976-03-30 |
FR2186572A1 (enrdf_load_stackoverflow) | 1974-01-11 |
DE2327407B2 (de) | 1977-10-13 |
AU469963B2 (en) | 1976-02-26 |
SU578015A3 (ru) | 1977-10-25 |
AR200489A1 (es) | 1974-11-15 |
DE2327407A1 (de) | 1973-12-13 |
CA973660A (en) | 1975-09-02 |
SE396970B (sv) | 1977-10-10 |
AU5621473A (en) | 1974-11-28 |
US3806404A (en) | 1974-04-23 |
FR2186572B1 (enrdf_load_stackoverflow) | 1976-09-17 |
JPS5034642B2 (enrdf_load_stackoverflow) | 1975-11-10 |
JPS4966902A (enrdf_load_stackoverflow) | 1974-06-28 |
BR7303947D0 (pt) | 1974-07-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
8339 | Ceased/non-payment of the annual fee |