DE880093C - Verfahren zur Herstellung von Zellstoff fuer Papier, Pappe u. dgl. - Google Patents
Verfahren zur Herstellung von Zellstoff fuer Papier, Pappe u. dgl.Info
- Publication number
- DE880093C DE880093C DEG6475A DEG0006475A DE880093C DE 880093 C DE880093 C DE 880093C DE G6475 A DEG6475 A DE G6475A DE G0006475 A DEG0006475 A DE G0006475A DE 880093 C DE880093 C DE 880093C
- Authority
- DE
- Germany
- Prior art keywords
- chlorination
- hydrochloric acid
- pulp
- acid
- chlorine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 12
- 239000011111 cardboard Substances 0.000 title claims description 4
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000000123 paper Substances 0.000 title claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 18
- 239000000460 chlorine Substances 0.000 claims description 18
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 15
- 238000005660 chlorination reaction Methods 0.000 claims description 15
- 229910052801 chlorine Inorganic materials 0.000 claims description 15
- 238000011282 treatment Methods 0.000 claims description 14
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- 239000007858 starting material Substances 0.000 claims description 5
- 239000002023 wood Substances 0.000 claims description 4
- 239000002585 base Substances 0.000 claims description 3
- 229920005610 lignin Polymers 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- 239000012320 chlorinating reagent Substances 0.000 claims description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 239000012670 alkaline solution Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- -1 hydrogen ions Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 235000013311 vegetables Nutrition 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
-
- 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
- D21C3/18—Pulping cellulose-containing materials with halogens or halogen-generating compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR880093X | 1951-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE880093C true DE880093C (de) | 1953-06-18 |
Family
ID=9362690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEG6475A Expired DE880093C (de) | 1951-04-12 | 1951-07-05 | Verfahren zur Herstellung von Zellstoff fuer Papier, Pappe u. dgl. |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE503934A (enrdf_load_stackoverflow) |
| DE (1) | DE880093C (enrdf_load_stackoverflow) |
| FR (1) | FR1035329A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA982758A (en) * | 1972-02-22 | 1976-02-03 | Hiroshi Matsuura | Method for manufacturing chemical pulp |
-
0
- BE BE503934D patent/BE503934A/xx unknown
-
1951
- 1951-04-12 FR FR1035329D patent/FR1035329A/fr not_active Expired
- 1951-07-05 DE DEG6475A patent/DE880093C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1035329A (fr) | 1953-08-21 |
| BE503934A (enrdf_load_stackoverflow) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE880093C (de) | Verfahren zur Herstellung von Zellstoff fuer Papier, Pappe u. dgl. | |
| DE567296C (de) | Verfahren zur Herstellung von spinnfaehigen Bastfasern | |
| DE925605C (de) | Entkaelkungsmittel | |
| AT88372B (de) | Verfahren zum Haltbarmachen von ätzalkalischen Wasserstoffsuperoxydlösungen und die Verwendung der haltbar gemachten Lösungen zum Bleichen. | |
| DE695489C (de) | Verfahren zur Herstellung von Zellstoff | |
| DE659116C (de) | Verfahren zum Veredeln von Wollfasern | |
| DE610975C (de) | Verfahren zur Wiedergewinnung von reinem Papierstoff aus mit Russfarbe bedrucktem Altpapier | |
| DE533647C (de) | Verfahren zur Gewinnung von Zellstoff aus Pflanzenfaserstoffen mittels Chlors | |
| DE932817C (de) | Verfahren zur Herstellung von aufgelockerten Salben | |
| DE464240C (de) | Verfahren zur Herstellung von Zellstoff aus Holz | |
| DE669997C (de) | Verfahren zur Herstellung von Sicherheitspapier | |
| DE629751C (de) | Verfahren zur Herstellung von Zigarettenpapier | |
| DE636307C (de) | Verfahren zur Herstellung eines im wesentlichen aus Triformylcellulose bestehenden Erzeugnisses | |
| DE477539C (de) | Verfahren zur Herstellung von Zellstoff | |
| DE28139C (de) | Herstellung von wetter- und feuerfestem Papier und Pappen | |
| DE694936C (de) | Gerbmittel | |
| DE515018C (de) | Verfahren zur Herstellung von Natronzellstoff | |
| AT136368B (de) | Verfahren zur Gewinnung textiler Rohfasern aus Pflanzenstengeln. | |
| DE735037C (de) | Verfahren zur Herstellung von Futtermitteln oder Zusatzmitteln zu diaetetischen Naehrmitteln aus Cellulose | |
| DE664257C (de) | Verfahren zum Veredeln von Zellstoffen | |
| DE39260C (de) | Verfahren zum Entfernen der glänzenden Rinde von spanischem Rohr | |
| DE514053C (de) | Verfahren zur Herstellung von Luftstickereien | |
| DE472870C (de) | Verfahren zur Herstellung von Glyzerin durch Gaerung | |
| DE419778C (de) | Verfahren zur Herstellung von Eisenleder | |
| DE349842C (de) | Verfahren zur Aufschliessung von Pflanzenfasern, insbesondere von Holz, namentlich fuer Futtermittelzwecke |