BE433556A - - Google Patents
Info
- Publication number
- BE433556A BE433556A BE433556DA BE433556A BE 433556 A BE433556 A BE 433556A BE 433556D A BE433556D A BE 433556DA BE 433556 A BE433556 A BE 433556A
- Authority
- BE
- Belgium
- Prior art keywords
- treatment
- chlorine
- solution
- extraction
- cellulose
- Prior art date
Links
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 28
- 239000000460 chlorine Substances 0.000 claims description 28
- 229910052801 chlorine Inorganic materials 0.000 claims description 28
- 239000000243 solution Substances 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 229920002678 cellulose Polymers 0.000 claims description 12
- 239000001913 cellulose Substances 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 8
- 238000005660 chlorination reaction Methods 0.000 claims description 6
- 239000002657 fibrous material Substances 0.000 claims description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 239000004551 spreading oil Substances 0.000 claims 1
- 239000000835 fiber Substances 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000005406 washing Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 244000198134 Agave sisalana Species 0.000 description 4
- 240000006240 Linum usitatissimum Species 0.000 description 4
- 210000002615 epidermis Anatomy 0.000 description 4
- 229920005610 lignin Polymers 0.000 description 4
- 229920003043 Cellulose fiber Polymers 0.000 description 3
- 235000004431 Linum usitatissimum Nutrition 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000010902 straw Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 244000166124 Eucalyptus globulus Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 240000007472 Leucaena leucocephala Species 0.000 description 2
- 235000010643 Leucaena leucocephala Nutrition 0.000 description 2
- 240000009257 Phormium tenax Species 0.000 description 2
- 235000000422 Phormium tenax Nutrition 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 240000000491 Corchorus aestuans Species 0.000 description 1
- 235000011777 Corchorus aestuans Nutrition 0.000 description 1
- 235000010862 Corchorus capsularis Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 235000012343 cottonseed oil Nutrition 0.000 description 1
- 239000002385 cottonseed oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 210000002268 wool Anatomy 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
- D21C3/26—Multistage processes
Landscapes
- Chemical Or Physical Treatment Of Fibers (AREA)
- Processing Of Solid Wastes (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2281504X | 1938-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE433556A true BE433556A (d) |
Family
ID=10902956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE433556D BE433556A (d) | 1938-03-29 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE433556A (d) |
| FR (1) | FR852267A (d) |
-
0
- BE BE433556D patent/BE433556A/fr unknown
-
1939
- 1939-03-28 FR FR852267D patent/FR852267A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR852267A (fr) | 1940-01-27 |
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