A film model analysis of non-equimolar distillation of multicomponent mixtures

✍ Scribed by Rajamani Krishna

• Publisher: Elsevier Science
• Year: 1977
• Tongue: English
• Weight: 702 KB
• Volume: 32
• Category: Article
• ISSN: 0009-2509
• DOI: 10.1016/0009-2509(77)80052-3

✦ Synopsis

Ddferences m the molar heats of vaporlzatlons of component species m a multlcomponent mixture lead to non-equrmolar mass transfers dunng dlstdlatlon separations The interphase mass transfer process IS analysed usmg a film model and a procedure developed for calculatmg multlcomponent transfer coefficients and transfer rates from mformation on binary transport coefficients and partial molar enthalples of the constituent species m either flmd phase It IS shown wtth the aid of a numencal example that the commonly made assumption of eqmmolar transfer durmg distdlatlon may Iead to significant errors m the calculation of constituent species transfers