BE520869A - - Google Patents
Info
- Publication number
- BE520869A BE520869A BE520869DA BE520869A BE 520869 A BE520869 A BE 520869A BE 520869D A BE520869D A BE 520869DA BE 520869 A BE520869 A BE 520869A
- Authority
- BE
- Belgium
- Prior art keywords
- glauber
- salt
- emi
- water
- crystallization
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000010446 mirabilite Substances 0.000 claims description 25
- 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 23
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 21
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 16
- 238000002425 crystallisation Methods 0.000 claims description 15
- 230000008025 crystallization Effects 0.000 claims description 15
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 12
- 235000011152 sodium sulphate Nutrition 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 7
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 238000006253 efflorescence Methods 0.000 claims 1
- 206010037844 rash Diseases 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000001556 precipitation Methods 0.000 description 19
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 11
- 229920000297 Rayon Polymers 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- 229910021653 sulphate ion Inorganic materials 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 238000009987 spinning Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 206010039509 Scab Diseases 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000008719 thickening Effects 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
-
- 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
- C01D5/006—Recovery of sodium sulfate from coagulation baths for the spinning of viscose
-
- 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)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEZ2761A DE1123796B (de) | 1952-06-23 | 1952-06-23 | Verfahren zum Aufarbeiten von verbrauchten Faellbaedern der Viskose verarbeitenden Industrie unter Gewinnung von wasserfreiem Natriumsulfat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE520869A true BE520869A (en, 2012) |
Family
ID=7618639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE520869D BE520869A (en, 2012) | 1952-06-23 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE520869A (en, 2012) |
| DE (1) | DE1123796B (en, 2012) |
| FR (1) | FR1079462A (en, 2012) |
| NL (2) | NL179319B (en, 2012) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH572867A5 (en, 2012) * | 1972-12-15 | 1976-02-27 | Escher Wyss Ag | |
| US6652603B2 (en) | 2001-06-29 | 2003-11-25 | Inco Limited | Process for removing sodium sulfate from nickel hydroxide effluent streams |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB620738A (en) * | 1946-12-23 | 1949-03-29 | Courtaulds Ltd | Improvements in and relating to the conservation and recovery of chemical substancesfrom viscose rayon spinning bath liquors |
-
0
- NL NL96185D patent/NL96185C/xx active
- BE BE520869D patent/BE520869A/fr unknown
- NL NLAANVRAGE7413097,B patent/NL179319B/xx unknown
-
1952
- 1952-06-23 DE DEZ2761A patent/DE1123796B/de active Pending
-
1953
- 1953-06-19 FR FR1079462D patent/FR1079462A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL179319B (nl) | |
| NL96185C (en, 2012) | 1900-01-01 |
| FR1079462A (fr) | 1954-11-30 |
| DE1123796B (de) | 1962-02-15 |
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