GB367235A - Improved process of boiling sulphite cellulose - Google Patents
Improved process of boiling sulphite celluloseInfo
- Publication number
- GB367235A GB367235A GB11042/31A GB1104231A GB367235A GB 367235 A GB367235 A GB 367235A GB 11042/31 A GB11042/31 A GB 11042/31A GB 1104231 A GB1104231 A GB 1104231A GB 367235 A GB367235 A GB 367235A
- Authority
- GB
- United Kingdom
- Prior art keywords
- boiling
- liquor
- free
- april
- improved process
- 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
- 238000009835 boiling Methods 0.000 title abstract 5
- 229920002678 cellulose Polymers 0.000 title 1
- 239000001913 cellulose Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 title 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 6
- 239000000463 material Substances 0.000 abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 229920001131 Pulp (paper) Polymers 0.000 abstract 1
- 230000035515 penetration Effects 0.000 abstract 1
- DJEHXEMURTVAOE-UHFFFAOYSA-M potassium bisulfite Chemical compound [K+].OS([O-])=O DJEHXEMURTVAOE-UHFFFAOYSA-M 0.000 abstract 1
- 235000010259 potassium hydrogen sulphite Nutrition 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 abstract 1
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 1
- 239000004291 sulphur dioxide Substances 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 239000002699 waste material 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
- D21C3/04—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S162/00—Paper making and fiber liberation
- Y10S162/02—Chip soaking
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE554826T | 1930-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB367235A true GB367235A (en) | 1932-02-18 |
Family
ID=34559001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB11042/31A Expired GB367235A (en) | 1930-04-16 | 1931-04-14 | Improved process of boiling sulphite cellulose |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1848780A (de) |
| DE (1) | DE554826C (de) |
| GB (1) | GB367235A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2885317A (en) * | 1954-03-30 | 1959-05-05 | Stora Kopparbergs Bergslags Ab | Method in manufacturing chemical or semi-chemical pulp from heavily resinous wood |
| US3046182A (en) * | 1956-01-13 | 1962-07-24 | Smith Paper Mills Ltd Howard | Sulphite pulping process |
-
0
- US US1848780D patent/US1848780A/en not_active Expired - Lifetime
-
1930
- 1930-04-16 DE DE1930554826D patent/DE554826C/de not_active Expired
-
1931
- 1931-04-14 GB GB11042/31A patent/GB367235A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1848780A (en) | 1932-03-08 |
| DE554826C (de) | 1932-07-14 |
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