DE274658C - - Google Patents
Info
- Publication number
- DE274658C DE274658C DENDAT274658D DE274658DA DE274658C DE 274658 C DE274658 C DE 274658C DE NDAT274658 D DENDAT274658 D DE NDAT274658D DE 274658D A DE274658D A DE 274658DA DE 274658 C DE274658 C DE 274658C
- Authority
- DE
- Germany
- Prior art keywords
- cellulose
- result
- chlorammonium
- added
- ammonia
- 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
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 4
- 239000005751 Copper oxide Substances 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- QDHHCQZDFGDHMP-UHFFFAOYSA-O chloroamine;hydron Chemical compound Cl[NH3+] QDHHCQZDFGDHMP-UHFFFAOYSA-O 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- QPLDLSVMHZLSFG-UHFFFAOYSA-N copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 3
- 229910000431 copper oxide Inorganic materials 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 229940072033 potash Drugs 0.000 claims 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims 1
- 235000015320 potassium carbonate Nutrition 0.000 claims 1
- 238000001556 precipitation Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 claims 1
- 239000010414 supernatant solution Substances 0.000 claims 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
- C08B1/006—Preparation of cuprammonium cellulose solutions
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
Versuche haben ergeben, daß es gelingt, Lösungen mit einem bis jetzt noch nicht erreichten Kupfergehalt darzustellen, wenn man wie folgt verfährt:Tests have shown that it is possible to achieve solutions with one that has not yet been achieved Represent the copper content if one proceeds as follows:
ioo ecm Ammoniak vom spezifischen Gewicht 0,91 und 24 ° Be. werden bei niederer Temperatur mit 25 g Chlorammonium versetzt und in diese Flüssigkeit 25 g Kupferoxydul eingebracht. Diese gehen hierbei vollkommen und schnell in Lösung. Hiernach werden bei Aufrechterhaltung der niedrigen Temperatur 25 ecm Kalilauge von 28 Prozent, d. h. durch 24 bis 25 ° Be., oder eine entsprechende Menge Natronlauge hinzugefügt und gut durchgemischt. Der sich bildende, hellblaue Niederschlag setzt sich, sofern die Flüssigkeit in der Kälte aufbewahrt wird, in 2 bis 3 Stunden vollständig ab. Die überstehende Flüssigkeit, die einen sehr erheblichen Kupfergehalt besitzt, wird nun abfiltriert und löst Zellulose und Zellstoff in hohem Grade auf.ioo ecm ammonia of specific gravity 0.91 and 24 ° Be. 25 g of chlorammonium are added at a low temperature and introduced into this liquid 25 g of copper oxide. These work perfectly here and quickly in solution. According to this, if the low temperature is maintained, 25 ecm potassium hydroxide solution of 28 percent, d. H. through 24 to 25 ° Be., or an equivalent Amount of caustic soda added and mixed well. The light blue precipitate that forms will settle if the liquid is If stored in the cold, it completely wears off in 2 to 3 hours. The protruding Liquid, which has a very significant copper content, is now filtered off and dissolves Cellulose and pulp to a high degree.
Selbstverständlich sind die angegebenen Zahlen nur als Beispiele gedacht, und es können die Mischungsverhältnisse nach oben und unten entsprechend verändert werden. Man kann z. B. mehr oder weniger Chlorammonium anwenden und die Kupferoxydulmenge *bis auf g erhöhen.Of course, the numbers given are only intended as examples, and there can be the mixing ratios can be changed up and down accordingly. One can z. B. apply more or less chlorammonium and the copper oxide amount * up to increase g.
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE274658C true DE274658C (en) |
Family
ID=531009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT274658D Active DE274658C (en) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE274658C (en) |
-
0
- DE DENDAT274658D patent/DE274658C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2666688A (en) | Method of making stable cupric hydroxide | |
| DE274658C (en) | ||
| EP0537143A1 (en) | Composition and process for treating water containing metal ions and organic and/or inorganic impurities. | |
| DE2510743A1 (en) | PROCESS FOR THE PRODUCTION OF BASIC ZIRCONIUM CARBONATE | |
| DE2625631A1 (en) | PROCESS FOR THE PRODUCTION OF ALKALINE GOLD SULPHITE | |
| DE638594C (en) | Process for separating selenium from ores containing precious metals | |
| DE726545C (en) | Process for the production of potash from very dilute solutions, e.g. B. sea water | |
| US1504627A (en) | James graham lamb | |
| US1586509A (en) | Process of treating crude cyanide | |
| DE643814C (en) | Process for the oxidation of cobalt compounds or for the separation of cobalt from solutions containing cobalt and nickel | |
| US724235A (en) | Process of making pigments. | |
| DE394130C (en) | Process for the production of Blanc-fixe | |
| DE483757C (en) | Process for cleaning lead-containing chloride liquor | |
| US744720A (en) | Process of desulfurizing sulfur-bearing petroleum. | |
| DE886301C (en) | Process for producing a lead-rich double carbonate from substances containing lead sulphate, in particular from residues | |
| DE708009C (en) | Process for the production of copper hydroxide | |
| DE700497C (en) | Process for reducing selenic acid to selenic acid | |
| AT88344B (en) | Process for the extraction of molybdenum compounds from substances containing molybdenum, in particular yellow lead ore. | |
| DE449285C (en) | Conversion of alkali sulfides into alkali sulfites | |
| DE450285C (en) | Process for cleaning zinc lye neutral or alkaline reaction of heavy metal impurities such as copper, lead, cadmium, nickel, with the exclusion of iron | |
| DE109996C (en) | ||
| DE674399C (en) | Process for the production of alkali rhodanide solutions | |
| DE2001985C (en) | Process for the separation of cadmium and nickel | |
| US1234260A (en) | Method for producing composite titanic-oxid products. | |
| DE653194C (en) | Process for the production of white lead with low oil consumption |