GB542990A - Improvements in the manufacture of viscose artificial silk - Google Patents
Improvements in the manufacture of viscose artificial silkInfo
- Publication number
- GB542990A GB542990A GB3427/40A GB342740A GB542990A GB 542990 A GB542990 A GB 542990A GB 3427/40 A GB3427/40 A GB 3427/40A GB 342740 A GB342740 A GB 342740A GB 542990 A GB542990 A GB 542990A
- Authority
- GB
- United Kingdom
- Prior art keywords
- activated carbon
- vessel
- carbon
- bobbins
- hood
- 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
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Carbon And Carbon Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
542,990. Carbon disulphide. CARBONISATION ET CHARBONS ACTIFS. Feb. 23, 1940, No. 3427. Convention date. Feb. 24, 1939. [Class 1 (ii)] [Also in Group IV] During processes of rayon manufacture, carbondisulphide, which may be tainted with products such as sulphurous anhydride or sulphuretted hydrogen, is extracted from the coagulation, washing and finishing baths, or from the bobbins of coagulated threads, by drawing a current of air above the baths and bobbins and conducting to wet and dry activated carbon. The thread 1 from the pot 2 enters the xanthate coagulation vessel A and passes through a narrow outlet to the reel B surmounted by a hood 7. Wound reels B', B<SP>2</SP> are supported in the washing and drying vessel C ; a pipe 9 connects the vessels A, C and the hood 7 to the inlet of the fan D which induces a current of air through the apertured lid 3 of the vessel A so that the carbon disulphide is carried on to the fan and passed to the absorber E. The first part of this contains activated carbon highly charged with water to absorb the sulphur compounds, and the second part contains practically dry activated carbon to absorb the carbon disulphide. The flow of gas may be controlled by valves placed at each stage.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR856308T | 1939-02-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB542990A true GB542990A (en) | 1942-02-05 |
Family
ID=9328811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3427/40A Expired GB542990A (en) | 1939-02-24 | 1940-02-23 | Improvements in the manufacture of viscose artificial silk |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR856308A (en) |
GB (1) | GB542990A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE971181C (en) * | 1950-06-13 | 1958-12-24 | Phrix Werke Ag | Process for cleaning the exhaust air from viscose plants |
-
1939
- 1939-02-24 FR FR856308D patent/FR856308A/en not_active Expired
-
1940
- 1940-02-23 GB GB3427/40A patent/GB542990A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR856308A (en) | 1940-06-11 |
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