GB841382A - Improvements in the preparation of paper pulp from hemp and like annual plants - Google Patents
Improvements in the preparation of paper pulp from hemp and like annual plantsInfo
- Publication number
- GB841382A GB841382A GB33928/57A GB3392857A GB841382A GB 841382 A GB841382 A GB 841382A GB 33928/57 A GB33928/57 A GB 33928/57A GB 3392857 A GB3392857 A GB 3392857A GB 841382 A GB841382 A GB 841382A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sodium sulphite
- hemp
- grinding
- paper pulp
- running water
- 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
- 244000025254 Cannabis sativa Species 0.000 title abstract 2
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 title abstract 2
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 title abstract 2
- 241000196324 Embryophyta Species 0.000 title abstract 2
- 229920001131 Pulp (paper) Polymers 0.000 title abstract 2
- 235000009120 camo Nutrition 0.000 title abstract 2
- 235000005607 chanvre indien Nutrition 0.000 title abstract 2
- 239000011487 hemp Substances 0.000 title abstract 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 abstract 8
- 239000000463 material Substances 0.000 abstract 4
- 235000010265 sodium sulphite Nutrition 0.000 abstract 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 238000002386 leaching Methods 0.000 abstract 3
- 239000002994 raw material Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000049 pigment Substances 0.000 abstract 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- 238000003756 stirring Methods 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
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1122362X | 1956-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB841382A true GB841382A (en) | 1960-07-13 |
Family
ID=9632582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB33928/57A Expired GB841382A (en) | 1956-11-08 | 1957-10-30 | Improvements in the preparation of paper pulp from hemp and like annual plants |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE562041A (enrdf_load_stackoverflow) |
| DE (1) | DE1122362B (enrdf_load_stackoverflow) |
| GB (1) | GB841382A (enrdf_load_stackoverflow) |
| NL (1) | NL222238A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003004765A1 (en) * | 2001-07-06 | 2003-01-16 | Biotek Sp. Z O.O. | Non-woody celulose masses and their production method |
| WO2005042838A1 (en) * | 2003-10-30 | 2005-05-12 | Biotek Sp. Z O.O. | Bleached and unbleached fibrous paper pulps and a method for producing the same |
| WO2008138428A1 (de) * | 2007-05-11 | 2008-11-20 | Voith Patent Gmbh | Verfahren zum zerfasern von chemisch behandeltem, lignocellulosischem rohstoff |
| FR3015529A1 (fr) * | 2013-12-19 | 2015-06-26 | Geants De Papier Solidaires | Procede de preparation de pate a papier |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE388998C (de) * | 1920-09-08 | 1924-01-24 | Carl Alfred Braun | Verfahren zur Gewinnung von Textilfasern und Zellstoff aus geeigneten Rohpflanzen, wie Brennesseln, Jute, Schilf, Typha u. dgl. |
| DE413803C (de) * | 1923-05-25 | 1925-05-16 | Mechanische Zellulose M B H Ge | Verfahren zur Herstellung eines fuer die Zellstoff-Fabrikation geeigneten Halbproduktes aus gruenen Steppen-, Sumpf- und Riedgraesern und aehnlichen Pflanzenarten |
| DE524298C (de) * | 1926-01-25 | 1931-05-06 | Hermann Wenzl Dr | Verfahren zur Herstellung hochwertiger Faserhalbstoffe |
| BE496841A (enrdf_load_stackoverflow) * | 1949-07-12 | |||
| GB699232A (en) * | 1949-09-27 | 1953-11-04 | Walmsleys Bury Ltd | Improvements in or relating to the digestion and diffusion of paper-making fibres |
-
0
- BE BE562041D patent/BE562041A/xx unknown
- NL NL222238D patent/NL222238A/xx unknown
-
1957
- 1957-10-30 GB GB33928/57A patent/GB841382A/en not_active Expired
- 1957-11-05 DE DEV13338A patent/DE1122362B/de active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003004765A1 (en) * | 2001-07-06 | 2003-01-16 | Biotek Sp. Z O.O. | Non-woody celulose masses and their production method |
| WO2005042838A1 (en) * | 2003-10-30 | 2005-05-12 | Biotek Sp. Z O.O. | Bleached and unbleached fibrous paper pulps and a method for producing the same |
| WO2008138428A1 (de) * | 2007-05-11 | 2008-11-20 | Voith Patent Gmbh | Verfahren zum zerfasern von chemisch behandeltem, lignocellulosischem rohstoff |
| FR3015529A1 (fr) * | 2013-12-19 | 2015-06-26 | Geants De Papier Solidaires | Procede de preparation de pate a papier |
Also Published As
| Publication number | Publication date |
|---|---|
| BE562041A (enrdf_load_stackoverflow) | |
| DE1122362B (de) | 1962-01-18 |
| NL222238A (enrdf_load_stackoverflow) |
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