DE303963C - - Google Patents
Info
- Publication number
- DE303963C DE303963C DENDAT303963D DE303963DA DE303963C DE 303963 C DE303963 C DE 303963C DE NDAT303963 D DENDAT303963 D DE NDAT303963D DE 303963D A DE303963D A DE 303963DA DE 303963 C DE303963 C DE 303963C
- Authority
- DE
- Germany
- Prior art keywords
- sulfur
- straw
- alkali
- cellulose
- solution
- 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
- 239000010902 straw Substances 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- DPLVEEXVKBWGHE-UHFFFAOYSA-N Potassium sulfide Chemical compound [S-2].[K+].[K+] DPLVEEXVKBWGHE-UHFFFAOYSA-N 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N Sodium sulfide Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 229940059867 Sulfur containing product ectoparasiticides Drugs 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000005712 crystallization Effects 0.000 description 1
- 235000019621 digestibility Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- -1 sodium sulfur Chemical compound 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
- A23K10/32—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from hydrolysates of wood or straw
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Mycology (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Physiology (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Botany (AREA)
- Biotechnology (AREA)
- Food Science & Technology (AREA)
- Fodder In General (AREA)
Description
AUSGEGEBEN AM30.JUNIi919ISSUED ON JUNE 30, 919
Es ist bekannt, daß Stroh beim Erhitzen mit verdünnten Alkalien entweder im Autoklaven über ioo° C oder auch in offenen Gefäßen auf 90 bis ioo° C die sogenannten inkrustierenden Substanzen an die Lösung abgibt, während eine für Fütterung von Tieren sehr geeignete, vorzugsweise aus Zellulose bestehende Masse zurückbleibt. Es wurde nun gefunden, daß bei diesem Vorgang die Alkalien ersetzt werden können durcb die leichter beschaffbaren und billigeren Schwefelalkalien. Dieses Resultat war nicht vorauszusehen; denn wenn es auch bekannt ist, daß Schwefelalkali in Mischung mit Alkali zur Bereitung von Zellulose aus Holz, Stroh u. dgl. für die Papierfabrikation benutzt werden kann, so ist ■ die Verdaulichkeit der Zellulose bei der Verfütterung doch von anderen Faktoren abhängig, da die Wirkung der Fermente keineswegs identisch ist mit derjenigen gewöhnlicher chemischer Agentien. Die Brauchbarkeit des mit Schwefelalkali aufgeschlossenen Strohs für Futterzwecke war also ohne besondere physiologische Versuche nicht zu beurteilen, ja es bestand sogardie Gefahr, daß durch die Bildung von schwefelhaltigen Produkten, die dem Material beigemengt blieben, eine schädliche Wirkung auf den tierischen Organismus ausgeübt werde. ' Das neue Verfahren wird beispielsweise in folgender Weise ausgeführt: 10 kg Stroh in Form von Häcksel werden mit einer Lösung von ι kg Schwefelnatrium (Na2S) oder- der äquivalenten Menge des kristallwasserhaltigen Salzes, in.etwa 45 kg Wasser übergössen, durch Einleiten von Dampf auf 90 bis 950C gebracht und durch eine zweckentsprechende Heizung 10 bis 24 Stunden auf dieser Temperatur gehalten. Es ist vorteilhaft, von Zeit zu Zeit die Masse mechanisch zu mischen. Die dunkle Mutteilauge wird dann abgelassen und die rückständige ""Masse sorgfältig mit Wasser ausgewaschen. Sie kann in feuchtem Zustande direkt verfüttert oder durch Trocknen in haltbare und leichter transportable Form gebracht werden.It is known that when heated with diluted alkalis, straw releases the so-called encrusting substances into the solution either in an autoclave above 100 ° C. or in open vessels at 90 to 100 ° C., while one which is very suitable for feeding animals, preferably made of cellulose existing mass remains. It has now been found that in this process the alkalis can be replaced by the more easily obtainable and cheaper alkaline sulfur. This result could not be foreseen; for although it is also known that alkali sulfur can be used as a mixture with alkali to prepare cellulose from wood, straw and the like for making paper, the digestibility of cellulose in feeding depends on other factors, since the The effect of the ferments is by no means identical to that of ordinary chemical agents. The usefulness of the straw digested with alkaline sulfur for fodder purposes could therefore not be assessed without special physiological tests, in fact there was even the risk that the formation of sulfur-containing products that remained added to the material would have a harmful effect on the animal organism. The new process is carried out, for example, in the following way: 10 kg of straw in the form of chaff are poured into about 45 kg of water with a solution of ι kg of sodium sulphide (Na 2 S) or the equivalent amount of the salt containing water of crystallization brought by steam to 90 to 95 0 C and held by an appropriate heater for 10 to 24 hours at this temperature. It is advantageous to mix the mass mechanically from time to time. The dark Mutteilauge is then drained and the residual "" mass carefully washed out with water. It can be fed directly in a moist state or brought into a durable and more easily transportable form by drying.
An Stelle von Schwefelnatrium kann auch Schwefelkalium benutzt werden.Instead of sodium sulfur can also Potassium sulphide can be used.
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE303963C true DE303963C (en) | 1900-01-01 |
Family
ID=557616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT303963D Expired DE303963C (en) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE303963C (en) |
-
0
- DE DENDAT303963D patent/DE303963C/de not_active Expired
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