MICROCOMPUTER CONTROL OF A SMALL-SCALE ETHANOL DISTILLATION SYSTEM.

J. A. Quandt, Marvin R Paulsen, E. D. Rodda

Research output: Contribution to journalArticle

Abstract

A microcomputer-controlled digital valve system was developed to control the temperature, and hence the quality, of ethanol-water vapors leaving the product column of a small-scale distillation system. The temperature was controlled by regulating the water flow through an internal reflux coil. The temperature of the product vapor was controlled within plus or minus 0. 3 degree C. The temperature sensing devices permitted an overall temperature control accuracy of plus or minus 0. 5 degree C. A temperature monitoring routine was developed to read and display system temperatures, and a storage routine kept a record of temperatures and reflux condenser water flowrates.

Original languageEnglish (US)
Pages (from-to)1295-1301
Number of pages7
JournalTransactions of the American Society of Agricultural Engineers
Volume31
Issue number4
StatePublished - Jul 1 1988

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)

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