DE258180C - - Google Patents
Info
- Publication number
- DE258180C DE258180C DENDAT258180D DE258180DA DE258180C DE 258180 C DE258180 C DE 258180C DE NDAT258180 D DENDAT258180 D DE NDAT258180D DE 258180D A DE258180D A DE 258180DA DE 258180 C DE258180 C DE 258180C
- Authority
- DE
- Germany
- Prior art keywords
- lye
- wood
- sugar
- percent
- alkali
- 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
- 239000002023 wood Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 9
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 7
- 230000029087 digestion Effects 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 3
- 238000010411 cooking Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 229920002522 Wood fibre Polymers 0.000 claims 1
- 235000013312 flour Nutrition 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 239000002025 wood fiber Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Chemical compound OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 241001264730 Callistemon salignus Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000012993 chemical processing Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 230000009466 transformation Effects 0.000 description 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
- Compounds Of Unknown Constitution (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Printing Plates And Materials Therefor (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE191300304X | 1912-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE258180C true DE258180C (enrdf_load_stackoverflow) |
Family
ID=32522856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT258180D Active DE258180C (enrdf_load_stackoverflow) | 1912-01-06 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE258180C (enrdf_load_stackoverflow) |
| GB (1) | GB191300304A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE748862C (de) * | 1937-12-21 | 1944-11-11 | Friedrich Ruehlemann Dr Ing | Verfahren zur Herstellung von Cellulosemehl |
| DE1134577B (de) * | 1958-03-22 | 1962-08-09 | Aschaffenburger Zellstoffwerke | Vorbehandlung von Tannen- und Fichtenholz-Hackschnitzeln zur Gewinnung von Zellstoff nach dem sauren Sulfitverfahren |
| US5536288A (en) * | 1994-01-25 | 1996-07-16 | De Witt; James J. | Intertial filter |
-
0
- DE DENDAT258180D patent/DE258180C/de active Active
-
1913
- 1913-01-04 GB GB191300304D patent/GB191300304A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE748862C (de) * | 1937-12-21 | 1944-11-11 | Friedrich Ruehlemann Dr Ing | Verfahren zur Herstellung von Cellulosemehl |
| DE1134577B (de) * | 1958-03-22 | 1962-08-09 | Aschaffenburger Zellstoffwerke | Vorbehandlung von Tannen- und Fichtenholz-Hackschnitzeln zur Gewinnung von Zellstoff nach dem sauren Sulfitverfahren |
| US5536288A (en) * | 1994-01-25 | 1996-07-16 | De Witt; James J. | Intertial filter |
Also Published As
| Publication number | Publication date |
|---|---|
| GB191300304A (en) | 1914-01-05 |
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