DE2360014C2 - - Google Patents
Info
- Publication number
- DE2360014C2 DE2360014C2 DE2360014A DE2360014A DE2360014C2 DE 2360014 C2 DE2360014 C2 DE 2360014C2 DE 2360014 A DE2360014 A DE 2360014A DE 2360014 A DE2360014 A DE 2360014A DE 2360014 C2 DE2360014 C2 DE 2360014C2
- Authority
- DE
- Germany
- Prior art keywords
- steam
- salt
- glauber
- water vapor
- spinning bath
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 20
- 238000009987 spinning Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 12
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 11
- 235000011152 sodium sulphate Nutrition 0.000 claims description 11
- 230000008020 evaporation Effects 0.000 claims description 10
- 238000001704 evaporation Methods 0.000 claims description 10
- 239000010446 mirabilite Substances 0.000 claims description 9
- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- 238000002425 crystallisation Methods 0.000 claims description 7
- 230000008025 crystallization Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 2
- 238000013022 venting Methods 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 150000004691 decahydrates Chemical class 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 101100207024 Caenorhabditis elegans sel-9 gene Proteins 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 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
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
- C01D5/16—Purification
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F13/00—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like
- D01F13/02—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like of cellulose, cellulose derivatives or proteins
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2360014A DE2360014B1 (de) | 1973-12-01 | 1973-12-01 | Verfahren zur Herstellung von wasserfreiem Natriumsulfat |
| AT231574A AT335042B (de) | 1973-12-01 | 1974-03-20 | Verfahren zur wiedergewinnung des bei der zellwollproduktion anfallenden natriumsulfates |
| CH1438774A CH589730A5 (OSRAM) | 1973-12-01 | 1974-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2360014A DE2360014B1 (de) | 1973-12-01 | 1973-12-01 | Verfahren zur Herstellung von wasserfreiem Natriumsulfat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2360014B1 DE2360014B1 (de) | 1975-04-10 |
| DE2360014C2 true DE2360014C2 (OSRAM) | 1975-11-20 |
Family
ID=5899657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2360014A Granted DE2360014B1 (de) | 1973-12-01 | 1973-12-01 | Verfahren zur Herstellung von wasserfreiem Natriumsulfat |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT335042B (OSRAM) |
| CH (1) | CH589730A5 (OSRAM) |
| DE (1) | DE2360014B1 (OSRAM) |
-
1973
- 1973-12-01 DE DE2360014A patent/DE2360014B1/de active Granted
-
1974
- 1974-03-20 AT AT231574A patent/AT335042B/de not_active IP Right Cessation
- 1974-10-28 CH CH1438774A patent/CH589730A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH589730A5 (OSRAM) | 1977-07-15 |
| ATA231574A (de) | 1976-06-15 |
| AT335042B (de) | 1977-02-25 |
| DE2360014B1 (de) | 1975-04-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2637449A1 (de) | Loesungsmittelextraktionsverfahren zur herstellung von cellulosepulpe | |
| DE3315479C2 (OSRAM) | ||
| EP0418544B1 (de) | Verfahren zum Konzentrieren metallsulfathaltiger Schwefelsäure | |
| DE2360014C2 (OSRAM) | ||
| DE2038706B2 (de) | Verfahren zur verarbeitung der autoklavenlauge, die bei dem kontinuierlichen aufschluss von aluminiumoxid enthaltenden mineralien, besonders von bauxit, mit natriumaluminatlauge erhalten wird | |
| EP0124507B1 (de) | Verfahren zur Gewinnung von Furfurol aus sauren Abwässern der Zellstoffgewinnung sowie Anlage zur Durchführung des Verfahrens | |
| EP0167647A2 (de) | Verfahren und Vorrichtung zum Entgasen von Flüssigkeiten und deren Verwendung | |
| DE2358409A1 (de) | Verfahren zur reinigung waessriger natriumcitrat-loesungen | |
| DE1767323C3 (de) | Verfahren zur Gewinnung von Fluorverbindungen | |
| DE3041564C2 (de) | Verfahren zum Eindampfen wäßriger Lösungen | |
| EP0127722B1 (de) | Verfahren zur mehrstufigen Mischkondensation von Dämpfen | |
| DE2246568C3 (de) | Verfahren zur Herstellung von wasserfreiem Natriumsulfat | |
| DE1493038A1 (de) | Syntheseverfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxyd mit vollstaendiger Rueckfuehrung des nicht in Harnstoff umgewandelten Teils | |
| AT255246B (de) | Verfahren zum Entfernen von flüchtigen Säuren aus Dämpfen der Sulfatzellstoffherstellung | |
| DE814632C (de) | Verfahren zur Reinigung von Kokereigasen | |
| DE1148219B (de) | Verfahren zur Gewinnung von kristallwasserfreiem Natriumsulfat aus Natriumsulfatspinnbadloesungen bzw. Natriumsulfatdekahydrat | |
| DE1620337A1 (de) | Verfahren zur Neutralisation von sauren Caprolaktamloesungen | |
| DE1643940A1 (de) | Verfahren und Vorrichtung zur Herstellung kristallisierter Xylose | |
| DE550877C (de) | Verfahren zur Aufarbeitung stark verduennter kupferhaltiger Faellfluessigkeit der Kupferstreckseidenherstellung | |
| DE3310960C1 (de) | Verfahren zur Kondensation von Dämpfen | |
| DE3137356C2 (de) | Verfahren zur Herstellung von konzentrierter Ameisensäure | |
| DE561292C (de) | Verfahren zur Entwaesserung des von Nebenprodukten befreiten Destillationsgases aus Kammer- und Retortenoefen | |
| DE1420094A1 (de) | Fraktionierungsverfahren zur Trennung eines fluessigen hitzeempfindlichen Gemisches organischer Verbindungen | |
| DE637908C (de) | Verfahren zur Herstellung von grobkoernigem Ammonsulfat | |
| DE1592056C (de) | Verfahren zur Verbesserung des Löseprozesses für Kalirohsalze |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: EBNER & CO KG ANLAGEN UND APPARATE, 6419 EITERFELD |
|
| 8339 | Ceased/non-payment of the annual fee |