HEAT EXCHANGER DESIGN GOALS: Role of heat exchangers in chemical processing Basic concepts and terminology Types of heat exchangers Design methodology Sizing Design Rating

WHATIS DESIGN??? A DESIGN IS PLAN FOR: Manufacturing an artifact refrigerator or a rug Building the mean of manufacture A factory or a chemical plant Building structure A bridge or a baseball stadium Implementing an organization A hospital emergency room A air transportation system

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

DESIGN METHODOLOGY: CHOICE OF PROCESS TYPE goaL-- Choose the process type appropriate to the plant to be designed

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

THE TWO BASIC INVESTMENT CONCERNS PROFITABILITY (HOW MUCH MONEY WILL I MAKE?) risK (WHAT ARE MY CHANCES OF MAKING IT?)

INTRODUCTION A. Types of Material Balance Problems B. Historical Perspective I. CONSERVATION OF MASS 5 A. Control Volumes B. Holdup or Inventory . Material Balance Basis D. Material Balances II. PROCESSES

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

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

DEFINITIONS EQUIPMENT RATING: Given the input streams, operating parameters, and size parameters, determine the equipment performance and output streams EQUIPMENT SIZING: Given the input streams and the performance specifications, estimate the economically important size parameters using approximate methods EQUIPMENT DESIGN: Produce a design in enough detail to guide the fabrication of the item of equipment