BE532779A - - Google Patents
Info
- Publication number
- BE532779A BE532779A BE532779DA BE532779A BE 532779 A BE532779 A BE 532779A BE 532779D A BE532779D A BE 532779DA BE 532779 A BE532779 A BE 532779A
- Authority
- BE
- Belgium
- Prior art keywords
- sep
- chemical
- defibration
- wood
- sodium
- Prior art date
Links
- GEHJYWRUCIMESM-UHFFFAOYSA-L Sodium sulfite Chemical group [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 44
- 229920001131 Pulp (paper) Polymers 0.000 claims description 39
- 239000002023 wood Substances 0.000 claims description 33
- 239000000126 substance Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 23
- 235000010265 sodium sulphite Nutrition 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- LSNNMFCWUKXFEE-UHFFFAOYSA-L Sulphite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims description 11
- 239000000047 product Substances 0.000 claims description 10
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 9
- 238000004537 pulping Methods 0.000 claims description 8
- LSNNMFCWUKXFEE-UHFFFAOYSA-M bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Ammonium sulfite Chemical group [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 claims description 3
- YDIQKOIXOOOXQQ-UHFFFAOYSA-H dialuminum;trisulfite Chemical group [Al+3].[Al+3].[O-]S([O-])=O.[O-]S([O-])=O.[O-]S([O-])=O YDIQKOIXOOOXQQ-UHFFFAOYSA-H 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 3
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 3
- ZETCGWYACBNPIH-UHFFFAOYSA-N azane;sulfurous acid Chemical compound N.OS(O)=O ZETCGWYACBNPIH-UHFFFAOYSA-N 0.000 claims description 2
- 239000004289 sodium hydrogen sulphite Substances 0.000 claims description 2
- -1 bisulphites Chemical class 0.000 claims 5
- 229910052751 metal Inorganic materials 0.000 claims 4
- 239000002184 metal Substances 0.000 claims 4
- 150000002739 metals Chemical class 0.000 claims 4
- JAECLFYFGIPXRT-UHFFFAOYSA-K aluminum;hydrogen sulfite Chemical compound [Al+3].OS([O-])=O.OS([O-])=O.OS([O-])=O JAECLFYFGIPXRT-UHFFFAOYSA-K 0.000 claims 1
- 229940001607 sodium bisulfite Drugs 0.000 claims 1
- 229920001098 polystyrene-block-poly(ethylene/propylene) Polymers 0.000 description 495
- 238000000227 grinding Methods 0.000 description 12
- 238000007670 refining Methods 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 229940001482 sodium sulfite Drugs 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 4
- 241000218657 Picea Species 0.000 description 4
- 241000218636 Thuja Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 241000894007 species Species 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 241000218685 Tsuga Species 0.000 description 3
- PENRVBJTRIYHOA-UHFFFAOYSA-L Zinc dithionite Chemical compound [Zn+2].[O-]S(=O)S([O-])=O PENRVBJTRIYHOA-UHFFFAOYSA-L 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 235000017550 sodium carbonate Nutrition 0.000 description 3
- 241000219495 Betulaceae Species 0.000 description 2
- 241000219000 Populus Species 0.000 description 2
- 210000001138 Tears Anatomy 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000001187 sodium carbonate Substances 0.000 description 2
- 240000006523 Abies balsamea Species 0.000 description 1
- 235000007173 Abies balsamea Nutrition 0.000 description 1
- 239000004857 Balsam Substances 0.000 description 1
- LVGQIQHJMRUCRM-UHFFFAOYSA-L Calcium bisulfite Chemical compound [Ca+2].OS([O-])=O.OS([O-])=O LVGQIQHJMRUCRM-UHFFFAOYSA-L 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N Cesium Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 241000218631 Coniferophyta Species 0.000 description 1
- 235000015912 Impatiens biflora Nutrition 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N Sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 238000005296 abrasive Methods 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 229940101006 anhydrous sodium sulfite Drugs 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- 235000010260 calcium hydrogen sulphite Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000015111 chews Nutrition 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002708 enhancing Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 230000002045 lasting Effects 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/14—Disintegrating in mills
- D21B1/16—Disintegrating in mills in the presence of chemical agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
- D21B1/063—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods using grinding devices
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE532779A true BE532779A (pt) |
Family
ID=164682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE532779D BE532779A (pt) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE532779A (pt) |
-
0
- BE BE532779D patent/BE532779A/fr unknown
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