ES322174A1 - Un procedimiento para la produccion de pasta de madera blanqueada - Google Patents
Un procedimiento para la produccion de pasta de madera blanqueadaInfo
- Publication number
- ES322174A1 ES322174A1 ES0322174A ES322174A ES322174A1 ES 322174 A1 ES322174 A1 ES 322174A1 ES 0322174 A ES0322174 A ES 0322174A ES 322174 A ES322174 A ES 322174A ES 322174 A1 ES322174 A1 ES 322174A1
- Authority
- ES
- Spain
- Prior art keywords
- solution
- bleaching
- pulp
- paste
- translation
- 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 abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000000243 solution Substances 0.000 abstract 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 6
- 238000004061 bleaching Methods 0.000 abstract 5
- 239000007864 aqueous solution Substances 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 3
- 239000003518 caustics Substances 0.000 abstract 2
- 230000029087 digestion Effects 0.000 abstract 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 abstract 2
- 238000000605 extraction Methods 0.000 abstract 2
- 238000011084 recovery Methods 0.000 abstract 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- 239000004155 Chlorine dioxide Substances 0.000 abstract 1
- 229920001131 Pulp (paper) Polymers 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 235000019398 chlorine dioxide Nutrition 0.000 abstract 1
- 229910001902 chlorine oxide Inorganic materials 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229910052979 sodium sulfide Inorganic materials 0.000 abstract 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/12—Combustion of pulp liquors
- D21C11/122—Treatment, e.g. dissolution, of the smelt
-
- 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
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 |
|---|---|---|---|
| GB3130/65A GB1106841A (en) | 1965-01-25 | 1965-01-25 | Process for the production of bleached pulp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES322174A1 true ES322174A1 (es) | 1966-11-01 |
Family
ID=9752494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0322174A Expired ES322174A1 (es) | 1965-01-25 | 1966-01-24 | Un procedimiento para la produccion de pasta de madera blanqueada |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT265005B (OSRAM) |
| CS (1) | CS157014B2 (OSRAM) |
| ES (1) | ES322174A1 (OSRAM) |
| FI (1) | FI43947C (OSRAM) |
| NO (1) | NO120251B (OSRAM) |
| SE (1) | SE315192B (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8704041L (sv) * | 1987-10-16 | 1989-04-17 | Sca Development Ab | Saett vid blekning av cellulosamassa |
-
1966
- 1966-01-21 FI FI660161A patent/FI43947C/fi active
- 1966-01-24 SE SE885/66A patent/SE315192B/xx unknown
- 1966-01-24 NO NO161391A patent/NO120251B/no unknown
- 1966-01-24 CS CS44666*BA patent/CS157014B2/cs unknown
- 1966-01-24 ES ES0322174A patent/ES322174A1/es not_active Expired
- 1966-01-25 AT AT69166A patent/AT265005B/de active
Also Published As
| Publication number | Publication date |
|---|---|
| FI43947B (OSRAM) | 1971-03-31 |
| CS157014B2 (OSRAM) | 1974-08-23 |
| SE315192B (OSRAM) | 1969-09-22 |
| AT265005B (de) | 1968-09-25 |
| NO120251B (OSRAM) | 1970-09-21 |
| FI43947C (fi) | 1971-07-12 |
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