BE551689A - - Google Patents
Info
- Publication number
- BE551689A BE551689A BE551689DA BE551689A BE 551689 A BE551689 A BE 551689A BE 551689D A BE551689D A BE 551689DA BE 551689 A BE551689 A BE 551689A
- Authority
- BE
- Belgium
- Prior art keywords
- cellulose
- suspensions
- defibration
- cotton
- helical
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 claims description 51
- 239000001913 cellulose Substances 0.000 claims description 48
- 238000000034 method Methods 0.000 claims description 23
- 239000000725 suspension Substances 0.000 claims description 23
- 229920000742 Cotton Polymers 0.000 claims description 21
- 239000002657 fibrous material Substances 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 8
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000007900 aqueous suspension Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 239000012467 final product Substances 0.000 claims description 3
- 241000196324 Embryophyta Species 0.000 claims description 2
- 238000002604 ultrasonography Methods 0.000 claims description 2
- 241000132092 Aster Species 0.000 claims 1
- 235000010980 cellulose Nutrition 0.000 description 42
- 241000219146 Gossypium Species 0.000 description 15
- 230000032050 esterification Effects 0.000 description 14
- 238000005886 esterification reaction Methods 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000000835 fiber Substances 0.000 description 11
- 239000002253 acid Substances 0.000 description 8
- 239000000020 Nitrocellulose Substances 0.000 description 6
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 6
- 150000007513 acids Chemical class 0.000 description 6
- 229920001220 nitrocellulos Polymers 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 229940079938 nitrocellulose Drugs 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000000802 nitrating effect Effects 0.000 description 4
- 229940081735 acetylcellulose Drugs 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- SMEGJBVQLJJKKX-HOTMZDKISA-N [(2R,3S,4S,5R,6R)-5-acetyloxy-3,4,6-trihydroxyoxan-2-yl]methyl acetate Chemical compound CC(=O)OC[C@@H]1[C@H]([C@@H]([C@H]([C@@H](O1)O)OC(=O)C)O)O SMEGJBVQLJJKKX-HOTMZDKISA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical class ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 210000002268 wool Anatomy 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
- D21B1/30—Defibrating by other means
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE551689A true BE551689A (enrdf_load_stackoverflow) |
Family
ID=177140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE551689D BE551689A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE551689A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1860232A4 (en) * | 2005-02-09 | 2011-02-09 | Jujo Paper Co Ltd | METHOD OF GRINDING PULP, PROCESS FOR TREATING PROCESS WATER AND METHOD FOR PRODUCING POWDER AND PAPER |
-
0
- BE BE551689D patent/BE551689A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1860232A4 (en) * | 2005-02-09 | 2011-02-09 | Jujo Paper Co Ltd | METHOD OF GRINDING PULP, PROCESS FOR TREATING PROCESS WATER AND METHOD FOR PRODUCING POWDER AND PAPER |
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