GB885605A - Improved method for the production of neutral sulfite pulp - Google Patents
Improved method for the production of neutral sulfite pulpInfo
- Publication number
- GB885605A GB885605A GB30329/59A GB3032959A GB885605A GB 885605 A GB885605 A GB 885605A GB 30329/59 A GB30329/59 A GB 30329/59A GB 3032959 A GB3032959 A GB 3032959A GB 885605 A GB885605 A GB 885605A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pulp
- impregnation
- liquor
- minutes
- chips
- 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 2
- 230000007935 neutral effect Effects 0.000 title abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 title 1
- 238000005470 impregnation Methods 0.000 abstract 6
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- 239000002023 wood Substances 0.000 abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 abstract 1
- 239000012895 dilution Substances 0.000 abstract 1
- 238000010790 dilution Methods 0.000 abstract 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 abstract 1
- 239000004289 sodium hydrogen sulphite Substances 0.000 abstract 1
- 235000010265 sodium sulphite Nutrition 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 238000010025 steaming Methods 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract 1
- 239000002699 waste material Substances 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
Landscapes
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE865658 | 1958-09-11 | ||
| SE768259 | 1959-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB885605A true GB885605A (en) | 1961-12-28 |
Family
ID=26654793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB30329/59A Expired GB885605A (en) | 1958-09-11 | 1959-09-04 | Improved method for the production of neutral sulfite pulp |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3078208A (xx) |
| BE (1) | BE582569A (xx) |
| CH (1) | CH379256A (xx) |
| DE (1) | DE1262754B (xx) |
| FI (1) | FI40601B (xx) |
| FR (1) | FR1236223A (xx) |
| GB (1) | GB885605A (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3383277A (en) * | 1967-02-06 | 1968-05-14 | Scott Paper Co | Two-stage pulping process with an isothermal first stage |
| US3533906A (en) * | 1967-10-11 | 1970-10-13 | Haigh M Reiniger | Permanently reacted lignocellulose products and process for making the same |
| SE355614B (xx) * | 1970-05-13 | 1973-04-30 | Mo Och Domsjoe Ab | |
| US4116758A (en) * | 1976-05-14 | 1978-09-26 | Canadian International Paper Co. | Method of producing high yield chemimechanical pulps |
| CA2634378A1 (en) * | 2006-06-08 | 2007-12-13 | Voith Patent Gmbh | Method for producing fibrous material |
| DE102007008955A1 (de) * | 2007-02-21 | 2008-08-28 | Voith Patent Gmbh | Verfahren zum Herstellen von Faserstoff aus Holz |
| JP2010514946A (ja) * | 2006-12-23 | 2010-05-06 | フォイト パテント ゲゼルシャフト ミット ベシュレンクテル ハフツング | ティッシュペーパーの製法 |
| DE102007036382A1 (de) * | 2007-07-31 | 2009-02-05 | Voith Patent Gmbh | Lignocellulosischer Faserstoff aus Einjahrespflanzen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US215728A (en) * | 1879-05-27 | Improvement in the manufacture of paper-pulp from wood | ||
| US2862813A (en) * | 1952-12-23 | 1958-12-02 | Process Evaluation Devel | Semi-chemical pulping process |
| US2640774A (en) * | 1953-01-27 | 1953-06-02 | Pulp And Papen Res Inst Of Can | Production of cellulose pulp |
| US2809111A (en) * | 1956-02-13 | 1957-10-08 | Condi Engineering Corp | Apparatus for wood chip digestion |
| US2858213A (en) * | 1956-04-20 | 1958-10-28 | Condi Engineering Corp | Wood chip digestion |
| US2975096A (en) * | 1957-11-18 | 1961-03-14 | Bauer Bros Co | Impregnation of wood chips |
-
1959
- 1959-09-04 GB GB30329/59A patent/GB885605A/en not_active Expired
- 1959-09-05 DE DEST15539A patent/DE1262754B/de active Pending
- 1959-09-07 FI FI1418/59A patent/FI40601B/fi active
- 1959-09-09 FR FR804738A patent/FR1236223A/fr not_active Expired
- 1959-09-10 US US839071A patent/US3078208A/en not_active Expired - Lifetime
- 1959-09-11 BE BE582569A patent/BE582569A/fr unknown
- 1959-09-11 CH CH7811759A patent/CH379256A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE582569A (fr) | 1959-12-31 |
| FI40601B (xx) | 1968-11-30 |
| DE1262754B (de) | 1968-03-07 |
| US3078208A (en) | 1963-02-19 |
| CH379256A (de) | 1964-06-30 |
| FR1236223A (fr) | 1960-07-15 |
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