ZA200805042B - Processes and systems for the bleaching of lignocellulosic pulps following cooking with soda and anthraquinone - Google Patents
Processes and systems for the bleaching of lignocellulosic pulps following cooking with soda and anthraquinone Download PDFInfo
- Publication number
- ZA200805042B ZA200805042B ZA200805042A ZA200805042A ZA200805042B ZA 200805042 B ZA200805042 B ZA 200805042B ZA 200805042 A ZA200805042 A ZA 200805042A ZA 200805042 A ZA200805042 A ZA 200805042A ZA 200805042 B ZA200805042 B ZA 200805042B
- Authority
- ZA
- South Africa
- Prior art keywords
- stage
- lignocellulosic pulp
- pulp
- lignocellulosic
- weight
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 59
- 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 title claims description 46
- 238000010411 cooking Methods 0.000 title claims description 34
- 150000004056 anthraquinones Chemical class 0.000 title claims description 33
- 238000004061 bleaching Methods 0.000 title claims description 32
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 title claims description 24
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 50
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- 239000004155 Chlorine dioxide Substances 0.000 claims description 25
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 25
- 239000000126 substance Substances 0.000 claims description 18
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 17
- 239000002253 acid Substances 0.000 claims description 17
- 239000003513 alkali Substances 0.000 claims description 13
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
- 239000012978 lignocellulosic material Substances 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 3
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 3
- DTBDAFLSBDGPEA-UHFFFAOYSA-N 3-Methylquinoline Natural products C1=CC=CC2=CC(C)=CN=C21 DTBDAFLSBDGPEA-UHFFFAOYSA-N 0.000 claims 1
- 239000002655 kraft paper Substances 0.000 description 14
- -1 soda AQ Chemical class 0.000 description 13
- 238000011282 treatment Methods 0.000 description 13
- 229920002678 cellulose Polymers 0.000 description 10
- 239000001913 cellulose Substances 0.000 description 10
- 238000004537 pulping Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 229910052979 sodium sulfide Inorganic materials 0.000 description 3
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 102000016871 Hexosaminidase A Human genes 0.000 description 1
- 108010053317 Hexosaminidase A Proteins 0.000 description 1
- 101000633680 Homo sapiens Tetratricopeptide repeat protein 37 Proteins 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 102100029210 Tetratricopeptide repeat protein 37 Human genes 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 208000007004 trichohepatoenteric syndrome Diseases 0.000 description 1
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US94458907P | 2007-06-18 | 2007-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200805042B true ZA200805042B (en) | 2009-09-30 |
Family
ID=40196631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200805042A ZA200805042B (en) | 2007-06-18 | 2008-06-10 | Processes and systems for the bleaching of lignocellulosic pulps following cooking with soda and anthraquinone |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101333779B (zh) |
| ZA (1) | ZA200805042B (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746374B (zh) * | 2015-03-23 | 2017-06-20 | 广东中烟工业有限责任公司 | 烟用甘蔗精制纤维素的制备方法及应用 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI102301B (fi) * | 1994-10-13 | 1998-11-13 | Andritz Oy | Menetelmä selluloosamassojen käsittelemiseksi |
| CN1275651A (zh) * | 1999-05-26 | 2000-12-06 | 牡丹江恒丰纸业股份有限公司 | 一种造纸用亚麻浆的漂白方法 |
| CN100494563C (zh) * | 2006-05-30 | 2009-06-03 | 王心伯 | 高档漂白棉浆板的制浆方法 |
-
2008
- 2008-06-10 ZA ZA200805042A patent/ZA200805042B/en unknown
- 2008-06-17 CN CN200810126666.6A patent/CN101333779B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101333779B (zh) | 2014-03-19 |
| CN101333779A (zh) | 2008-12-31 |
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