GB118291A - Improvements in and relating to the Manufacture of Pulp for Making Paper, Paper Boards and the like. - Google Patents
Improvements in and relating to the Manufacture of Pulp for Making Paper, Paper Boards and the like.Info
- Publication number
- GB118291A GB118291A GB365117A GB365117A GB118291A GB 118291 A GB118291 A GB 118291A GB 365117 A GB365117 A GB 365117A GB 365117 A GB365117 A GB 365117A GB 118291 A GB118291 A GB 118291A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pulp
- pinnμ
- pinnules
- stems
- paper
- 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
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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
Landscapes
- Paper (AREA)
Abstract
118,291. Moore, W. T. Sept. 12, 1917. Materials, fibrous; pulp, preparation of.-In treating withered or decayed bracken fern (Pteris aquilina) for the manufacture of pulp for paper, boards, and the like, the pinnµ and pinnules are detached from the stems and the two parts treated separately. The pinnµ and pinnules are cleansed with water and then boiled with water without pressure for three or four hours, and the boiled material reduced to halfstuff in a breaker, beaten and bleached preferably simultaneously, in a beater, washed, passed through squeezing-rollers, and dried, either on screens or by heating. The stems, cut up if necessary, are boiled for three or four hours with a 5-10 per cent solution of soda or similar agent, either at atmospheric pressure or at a pressure of 20 lb. per sq. in. or thereabouts, then washed, transferred to the breaker, and treated as stated above. The pulp from the pinnµ and pinnules may be utilized with that from the stems, or separately, and the pulps may be combined at any stage after the breaking operation. The pulps obtained may be blended with other pulps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB365117A GB118291A (en) | 1917-09-12 | 1917-09-12 | Improvements in and relating to the Manufacture of Pulp for Making Paper, Paper Boards and the like. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB365117A GB118291A (en) | 1917-09-12 | 1917-09-12 | Improvements in and relating to the Manufacture of Pulp for Making Paper, Paper Boards and the like. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB118291A true GB118291A (en) | 1918-08-29 |
Family
ID=32407576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB365117A Expired GB118291A (en) | 1917-09-12 | 1917-09-12 | Improvements in and relating to the Manufacture of Pulp for Making Paper, Paper Boards and the like. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB118291A (en) |
-
1917
- 1917-09-12 GB GB365117A patent/GB118291A/en not_active Expired
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