Optimisation of separating efficiency in the centrifugal molecular still
β Scribed by G.J. Rees; D.B. Scully; L.H.P. Weldon
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 955 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0009-2509
No coin nor oath required. For personal study only.
β¦ Synopsis
A CMS-5 centrifugal molecular still was operated with a 50/50 EHP-EHS test mixture over a range of feed and take-off rates Eficlency of separation was measured by yield of product and by degree of approach to theoretical volatihty ratio Under the best condltlons, wluch are recorded m quantltatlve terms, separation eficiencles close to the theoretlcal optimum were obtamed Limited extrapolation of results from a CMS 5 to a CMS 15 pilot-plant stdl IS suggested
π SIMILAR VOLUMES
The definition of efficiency in a process of separation is discussed, and the various requirements that should be fulfilled by such a definition are enumerated. The formulae so far proposed in literature for expressing the separation efficiency are reviewed in the light of these requirements. A form
## Abstract Cellulose was chemically modified with hydrophobic dodecanoyl groups followed by 3,5βdimethylphenylcarbamoyl substituents forming mixed ester/carbamate derivatives in order to improve the solubility in lipophilic solvents compared to the corresponding homosubstituted cellulose tris(3,5β