FR54218E - Process for the desulphation of coagulation baths for viscose spinning - Google Patents
Process for the desulphation of coagulation baths for viscose spinningInfo
- Publication number
- FR54218E FR54218E FR54218DA FR54218E FR 54218 E FR54218 E FR 54218E FR 54218D A FR54218D A FR 54218DA FR 54218 E FR54218 E FR 54218E
- Authority
- FR
- France
- Prior art keywords
- desulphation
- viscose spinning
- coagulation baths
- baths
- coagulation
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G3/00—Compounds of copper
- C01G3/10—Sulfates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0018—Evaporation of components of the mixture to be separated
- B01D9/0022—Evaporation of components of the mixture to be separated by reducing pressure
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
- C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/30—Alkali metal phosphates
- C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
-
- 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)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR830543X | 1942-08-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR54218E true FR54218E (en) | 1948-06-25 |
Family
ID=9287482
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR888915D Expired FR888915A (en) | 1942-08-13 | 1942-08-13 | Process for the desulphation of coagulation baths for viscose spinning |
FR54218D Expired FR54218E (en) | 1942-08-13 | 1945-10-11 | Process for the desulphation of coagulation baths for viscose spinning |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR888915D Expired FR888915A (en) | 1942-08-13 | 1942-08-13 | Process for the desulphation of coagulation baths for viscose spinning |
Country Status (7)
Country | Link |
---|---|
US (1) | US2512266A (en) |
BE (2) | BE461184A (en) |
CH (1) | CH232575A (en) |
DE (1) | DE830543C (en) |
FR (2) | FR888915A (en) |
GB (1) | GB614002A (en) |
NL (1) | NL58267C (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2758910A (en) * | 1953-06-15 | 1956-08-14 | American Viscose Corp | Removing gaseous materials from liquid |
FR1330350A (en) * | 1962-05-08 | 1963-06-21 | Kestner App Evaporateurs | Process for the production of anhydrous sodium sulphate from viscose coagulation baths |
CN108203099B (en) * | 2016-12-19 | 2023-02-21 | 临沂大学 | Combined equipment for comprehensively recycling waste heat resources in process of producing boric acid from low-grade boron magnesium ore |
CN112473288B (en) * | 2020-11-25 | 2022-04-15 | 赛得利(九江)纤维有限公司 | Acid bath washing dust removal device and method |
CN113233478A (en) * | 2021-04-20 | 2021-08-10 | 潍坊金鑫化工化纤设备技术开发中心 | Method for extracting high-purity sodium sulfate crystals from high-wet-modulus fiber coagulation bath |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1873329A (en) * | 1929-07-12 | 1932-08-23 | American Potash & Chem Corp | Process of evaporative cooling |
US2409624A (en) * | 1943-07-20 | 1946-10-22 | Granville Bernard | Apparatus for extracting water from atmospheric air |
-
0
- BE BE448007D patent/BE448007A/xx unknown
- NL NL58267D patent/NL58267C/xx active
- BE BE461184D patent/BE461184A/xx unknown
-
1942
- 1942-08-13 FR FR888915D patent/FR888915A/en not_active Expired
- 1942-12-16 CH CH232575D patent/CH232575A/en unknown
-
1945
- 1945-10-11 FR FR54218D patent/FR54218E/en not_active Expired
-
1946
- 1946-01-04 GB GB385/46A patent/GB614002A/en not_active Expired
-
1947
- 1947-07-17 US US761566A patent/US2512266A/en not_active Expired - Lifetime
-
1950
- 1950-01-13 DE DEA623A patent/DE830543C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL58267C (en) | 1900-01-01 |
US2512266A (en) | 1950-06-20 |
BE448007A (en) | 1900-01-01 |
BE461184A (en) | 1900-01-01 |
CH232575A (en) | 1944-06-15 |
FR888915A (en) | 1943-12-27 |
GB614002A (en) | 1948-12-08 |
DE830543C (en) | 1952-02-04 |
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