Separation Columns (Distillation, Absorption and Extraction)

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Presentation transcript:

Separation Columns (Distillation, Absorption and Extraction) Dr. Kh. Nasrifar Department of Chemical and Petrochemical Engineering

Distillation column (a) Basic column (b) Multiple feeds and side streams

Terminology Reflux considerations Feed-point location Definition Total reflux Minimum reflux Optimum reflux ratio Feed-point location Selection of column pressure

CONTINUOUS DISTILLATION: BASIC PRINCIPLES Stage equations Material balance: Energy balance

DESIGN METHODS FOR BINARY SYSTEMS Rectifying section Stripping section

Operating Lines Operating line for rectifying section Operating line for stripping section

Procedure

Procedure

Stage Efficiency

Low Product Specification

Low Product Specification

Example 1

Example 1, Continued

Example 1, continued

Example 1, continued

Example 1, Continued

Example 1, Top section

Example 1, Bottom section