Separation of 2-propanol-water mixture with capillary porous plates

Journal Article · Mon Mar 01 04:00:00 EST 1999 · Separation Science and Technology

DOI:https://doi.org/10.1081/SS-100100677· OSTI ID:347922

Abu Al-Rub, F A ^[1]; Datta, R ^[2]

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1. Jordan Univ. of Science and Technology, Irbid (Jordan)
2. Univ. of Iowa, Iowa City, IA (United States). Dept. of Chemical and Biochemical Engineering

Distillation of the 2-propanol-water mixture of different compositions was experimentally studied in a continuous distillation column equipped with polar and nonpolar porous plates as well as normal sieve plates. The results showed that while no separation was achieved in a distillation column with porous carbon plates or with conventional stages, the azeotropic point of this system was broken in a distillation column with polar sintered stainless steel porous plates. A distillate of about 80.0 mol% 2-propanol was obtained for a feed of azeotropic composition, i.e., 68.0 mol% 2-propanol. These results showed that the main factors affecting the separation efficiency in a given porous plate are the polarization of the pure liquids and porous plates as well as the polarization difference between the mixture components.

• OSTI ID: 347922
• Journal Information: Separation Science and Technology, Journal Name: Separation Science and Technology Journal Issue: 5 Vol. 34; ISSN 0149-6395; ISSN SSTEDS
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
DISTILLATION
EFFICIENCY
MATERIALS RECOVERY
ORGANIC SOLVENTS
PROPANOLS
WASTE WATER
WATER TREATMENT