Process control of heavy-media systems for coal-preparation plants

Jeffrey L. Kohler, Joseph Sottile, Daniel S. Placha

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


The concurrent demands for lower-sulfur coal and lower-priced coal have resulted in an increased interest in control of unit operations within the coal-preparation plant. While equipment control is vvidely used, process control of liquid/solid mixtures is seldom used and is fraught with problems. The control of medium specific gravity in a heav-media cyclone-separation process exemplifies many of the issues (hat must be addressed. These include sensor and sensing problems, control-scheme selection, and process modeling constraints. This paper examines these issues and describes a pilot circuit that was constructed to facilitate a better understanding of the problems.

Original languageEnglish
Pages (from-to)382-388
Number of pages7
JournalIEEE Transactions on Industry Applications
Issue number2
StatePublished - 1987

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering


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