ES383485A1 - Procedure for the manufacture of cellulose pasta. (Machine-translation by Google Translate, not legally binding) - Google Patents
Procedure for the manufacture of cellulose pasta. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES383485A1 ES383485A1 ES383485A ES383485A ES383485A1 ES 383485 A1 ES383485 A1 ES 383485A1 ES 383485 A ES383485 A ES 383485A ES 383485 A ES383485 A ES 383485A ES 383485 A1 ES383485 A1 ES 383485A1
- Authority
- ES
- Spain
- Prior art keywords
- translation
- manufacture
- machine
- legally binding
- google translate
- 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
- 229920002678 cellulose Polymers 0.000 title abstract 3
- 239000001913 cellulose Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 235000015927 pasta Nutrition 0.000 title 1
- 229920005610 lignin Polymers 0.000 abstract 2
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 150000003863 ammonium salts Chemical class 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 239000012634 fragment Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000002023 wood Substances 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Paper (AREA)
Abstract
Process for the manufacture of cellulose pulp, characterized in that wood fragments are treated at a temperature above 100ºC in contact with a solution of hydroxide or of an alkali metal or alkaline earth or ammonium salt in a solvent composed of one or several substances whose boiling point at atmospheric pressure is higher than 100ºC in order to solubilize the lignin, and then the cellulose pulp is separated from the dissolved lignin. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1452269A CH498244A (en) | 1969-09-26 | 1969-09-26 | Cellulose pulp manufacturing process |
| CH1819769A CH512635A (en) | 1969-09-26 | 1969-12-05 | Cellulose pulp manufacturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES383485A1 true ES383485A1 (en) | 1973-03-01 |
Family
ID=25714654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES383485A Expired ES383485A1 (en) | 1969-09-26 | 1970-09-09 | Procedure for the manufacture of cellulose pasta. (Machine-translation by Google Translate, not legally binding) |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4935081B1 (en) |
| ES (1) | ES383485A1 (en) |
| IE (1) | IE34548B1 (en) |
| OA (1) | OA03488A (en) |
| SE (2) | SE387382B (en) |
-
1970
- 1970-09-09 ES ES383485A patent/ES383485A1/en not_active Expired
- 1970-09-16 OA OA54037A patent/OA03488A/en unknown
- 1970-09-23 IE IE1231/70A patent/IE34548B1/en unknown
- 1970-09-25 JP JP45083760A patent/JPS4935081B1/ja active Pending
- 1970-09-25 SE SE7013068A patent/SE387382B/en unknown
-
1975
- 1975-04-16 SE SE7504423A patent/SE7504423L/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE387382B (en) | 1976-09-06 |
| IE34548B1 (en) | 1975-06-11 |
| OA03488A (en) | 1971-03-30 |
| SE7504423L (en) | 1975-04-16 |
| JPS4935081B1 (en) | 1974-09-19 |
| IE34548L (en) | 1971-03-26 |
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