DE866453C - Verfahren zur Gewinnung von Skelettsubstanzen aus inkrustenhaltigen Pflanzenteilen - Google Patents
Verfahren zur Gewinnung von Skelettsubstanzen aus inkrustenhaltigen PflanzenteilenInfo
- Publication number
- DE866453C DE866453C DEF2931D DEF0002931D DE866453C DE 866453 C DE866453 C DE 866453C DE F2931 D DEF2931 D DE F2931D DE F0002931 D DEF0002931 D DE F0002931D DE 866453 C DE866453 C DE 866453C
- Authority
- DE
- Germany
- Prior art keywords
- chlorine dioxide
- treatment
- plant parts
- cellulose
- wood
- 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
- 239000000126 substance Substances 0.000 title claims description 21
- 238000000034 method Methods 0.000 title claims description 10
- 238000000605 extraction Methods 0.000 title description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 92
- 239000004155 Chlorine dioxide Substances 0.000 claims description 46
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 46
- 238000011282 treatment Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims 3
- 238000007254 oxidation reaction Methods 0.000 claims 3
- 239000002904 solvent Substances 0.000 claims 1
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 26
- 239000002023 wood Substances 0.000 description 15
- 229920002678 cellulose Polymers 0.000 description 14
- 235000010980 cellulose Nutrition 0.000 description 13
- 235000010265 sodium sulphite Nutrition 0.000 description 13
- 239000000243 solution Substances 0.000 description 13
- 239000001913 cellulose Substances 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 150000001720 carbohydrates Chemical class 0.000 description 5
- 235000014633 carbohydrates Nutrition 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920002488 Hemicellulose Polymers 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 241001070947 Fagus Species 0.000 description 2
- 235000010099 Fagus sylvatica Nutrition 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 238000012993 chemical processing Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 description 2
- 229960002218 sodium chlorite Drugs 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- DBNPDRYVYQWGFW-UHFFFAOYSA-N N.[Cu]=O Chemical compound N.[Cu]=O DBNPDRYVYQWGFW-UHFFFAOYSA-N 0.000 description 1
- 241000218657 Picea Species 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 229920001221 xylan Polymers 0.000 description 1
- 150000004823 xylans Chemical class 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO72186D NO72186A (en:Method) | 1943-12-23 | ||
| DEF2931D DE866453C (de) | 1943-12-23 | 1943-12-23 | Verfahren zur Gewinnung von Skelettsubstanzen aus inkrustenhaltigen Pflanzenteilen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF2931D DE866453C (de) | 1943-12-23 | 1943-12-23 | Verfahren zur Gewinnung von Skelettsubstanzen aus inkrustenhaltigen Pflanzenteilen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE866453C true DE866453C (de) | 1953-02-09 |
Family
ID=7083580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEF2931D Expired DE866453C (de) | 1943-12-23 | 1943-12-23 | Verfahren zur Gewinnung von Skelettsubstanzen aus inkrustenhaltigen Pflanzenteilen |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE866453C (en:Method) |
| NO (1) | NO72186A (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1107064B (de) * | 1957-01-15 | 1961-05-18 | Amelioration Et Le Dev Des Pro | Verfahren zur Gewinnung von Papierstoff aus Holz |
-
0
- NO NO72186D patent/NO72186A/no unknown
-
1943
- 1943-12-23 DE DEF2931D patent/DE866453C/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1107064B (de) * | 1957-01-15 | 1961-05-18 | Amelioration Et Le Dev Des Pro | Verfahren zur Gewinnung von Papierstoff aus Holz |
Also Published As
| Publication number | Publication date |
|---|---|
| NO72186A (en:Method) |
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