CONCEPTUAL DESIGN OF SIMPLE DISTILLATION COLUMNS Goals: Determine feasibility of proposed separation Estimate tray and reflux requirements Estimate column diameter and height

EQUILIBRIUM STAGED SEPARATIONS Single Stage Flash [Flash Drum] Distillation Simple Distillation Complex Distillation Non-Ideal Distillation Gas Absorption and Stripping Liquid-Liquid Extraction Multi-Effect Evaporation

SEPARATION OPERATIONS: INTRODUCTION What are separation operations? Typical applications of separation operations Physical basis for separation operations Basic types of separation operations Performance characterization of separation operations Choice of separation operations

CHEMICAL REACTOR CHARATERIZATION GOALS: Outline basic concepts Review reaction chemistry Develop basic definitions of performance Identify important reactor variables Review reaction thermodynamics

ENGINEERING ECONOMICS ESTIMATING THE PROFITABILITY OF A CHEMICAL PLANT Estimating Investment Estimating Cost of Production Profitability Evaluation Return on Investment (ROD) Payout time(Tpay) DCF Rate of Return(DCFROR) Transfer Price

ESIGN METHODOLOGY III: RECYCLE STRUCTURE OF THE PROCESS goAL-- Determine alternate recycle structures for the process based on reactor operating requirements

BASIC LEVEL II DECISIONS Choice of reaction chemistry Choice of raw material feedstocks Determination of need for vapor recycle Evaluation of economic potential for process

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