BE451623A - - Google Patents
Info
- Publication number
- BE451623A BE451623A BE451623DA BE451623A BE 451623 A BE451623 A BE 451623A BE 451623D A BE451623D A BE 451623DA BE 451623 A BE451623 A BE 451623A
- Authority
- BE
- Belgium
- Prior art keywords
- treatment
- fibers
- alkaline
- cellulose
- alkaline solution
- Prior art date
Links
- 238000011282 treatment Methods 0.000 claims description 19
- 229920002678 cellulose Polymers 0.000 claims description 13
- 239000001913 cellulose Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 13
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical class Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000012670 alkaline solution Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 235000011389 fruit/vegetable juice Nutrition 0.000 claims description 4
- 235000013311 vegetables Nutrition 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 11
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
- 239000005708 Sodium hypochlorite Substances 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- -1 pentosans Polymers 0.000 description 2
- 229940072033 potash Drugs 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 235000015320 potassium carbonate Nutrition 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229920001503 Glucan Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE451623A true BE451623A (d) |
Family
ID=106426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE451623D BE451623A (d) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE451623A (d) |
-
0
- BE BE451623D patent/BE451623A/fr unknown
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7671075B2 (ja) | 硫酸組成物およびその使用 | |
CA1206704A (fr) | Procede pour le traitement de pates papetieres chimiques | |
FR2814180A1 (fr) | Procede de blanchiment de pates a papier en milieu organique a hydratation controlee | |
FR2566015A1 (fr) | Procede de blanchiment de pate mecanique par le peroxyde d'hydrogene | |
EP0509905B1 (fr) | Procédé de préparation de pâte à papier à haut rendement et blanchie | |
EP0285530B1 (fr) | Procédé de blanchiment de pâtes | |
CA2063029C (fr) | Procede de blanchiment de matieres vegetales en deux etapes | |
EP0433138B1 (fr) | Procédé de blanchiment de pâtes cellulosiques chimiques | |
BE451623A (d) | ||
US2639988A (en) | Production of textile fibers from bast fiber material by alkaline digestion | |
US610957A (en) | Karl andreas zschorner | |
US5609762A (en) | Cellulose membranes comprising cotton fibers and method of manufacturing them | |
US1557338A (en) | Method of producing half stuffs and cellulose | |
JPH08199420A (ja) | 柔軟性に富む植物繊維の製造方法 | |
RU2768635C1 (ru) | Способ получения льняной целлюлозы | |
RU2836193C1 (ru) | Способ получения целлюлозы | |
FR2770543A1 (fr) | Procede de production de pate a papier, lignignes sucres et acide acetique par fractionnement de matiere vegetale lignocellulosique em milieu acide formique/acide acetique | |
US1001284A (en) | Process for obtaining textile fibers. | |
CH529863A (fr) | Dispositif pour la récupération et l'évacuation de la fausse lisière dans un métier à tisser sans navette | |
GB101475A (en) | Improved Process for the Extraction of Cellulose from Vegetable Fibres, such as Wood, Cotton, Straw, Esparto Grass, Jute and the like. | |
JP2000273782A (ja) | 漂白パルプの製造方法 | |
EA046675B1 (ru) | Модифицированная серная кислота и ее применение | |
FR2531466A1 (fr) | Procede de traitement de pate de bagasse, pate obtenue et tissu ouate fabrique avec cette pate | |
BE411850A (d) | ||
GB190514385A (en) | Improvements in the Production of White Pulps from Natural Vegetable Matter or from Coloured or Dyed Waste Material for use in Paper-making. |