DE307087C - - Google Patents
Info
- Publication number
- DE307087C DE307087C DENDAT307087D DE307087DA DE307087C DE 307087 C DE307087 C DE 307087C DE NDAT307087 D DENDAT307087 D DE NDAT307087D DE 307087D A DE307087D A DE 307087DA DE 307087 C DE307087 C DE 307087C
- Authority
- DE
- Germany
- Prior art keywords
- waste liquor
- alkalis
- acids
- sizing
- sulphite waste
- 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.)
- Active
Links
- 239000002699 waste material Substances 0.000 claims description 13
- LSNNMFCWUKXFEE-UHFFFAOYSA-L Sulphite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 11
- 150000007513 acids Chemical class 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000002244 precipitate Substances 0.000 claims description 5
- 238000004513 sizing Methods 0.000 claims description 5
- 229920005610 lignin Polymers 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims 1
- 239000002657 fibrous material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000003518 caustics Substances 0.000 description 4
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 229940037003 alum Drugs 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- -1 sulpho groups Chemical group 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052928 kieserite Inorganic materials 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L mgso4 Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 1
- 230000001376 precipitating Effects 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/23—Lignins
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE307087C true DE307087C (ja) |
Family
ID=560453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT307087D Active DE307087C (ja) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE307087C (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0012775A1 (en) * | 1978-12-20 | 1980-07-09 | Eric S. Prior | Process for pulping ligno-cellulosic material |
| EP0022881A1 (en) * | 1979-07-19 | 1981-01-28 | Eric S. Prior | Accelerated pulping process |
-
0
- DE DENDAT307087D patent/DE307087C/de active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0012775A1 (en) * | 1978-12-20 | 1980-07-09 | Eric S. Prior | Process for pulping ligno-cellulosic material |
| EP0022881A1 (en) * | 1979-07-19 | 1981-01-28 | Eric S. Prior | Accelerated pulping process |
| WO1981000267A1 (en) * | 1979-07-19 | 1981-02-05 | E Prior | Accelerated pulping process |
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