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Introduction to Chemical Engineering Processes

Any value that you'll run across as an engineer will either be unitless or, more commonly, will have specific types of units attached to it. In order to solve a problem effectively, all the types of units should be consistent with each other, or should be in the same system. A system of units defines each of the basic unit types with respect to some measurement that can be easily duplicated, so that for example 5 ft. is the same length in Australia as it is in the United States. There are five commonly-used base unit types or dimensions that one might encounter (shown with their. | Introduction to Chemical Engineering Processes Print Version From Wikibooks the open-content textbooks collection Contents hide 1 Chapter 1 Prerequisites o 1.1 Consistency of units 1.1.1 Units of Common Physical Properties 1.1.2 SI kg-m-s System 1.1.2.1 Derived units from the SI system 1.1.3 CGS cm-g-s system 1.1.4 English system o 1.2 How to convert between units 1.2.1 Finding equivalences 1.2.2 Using the equivalences o 1.3 Dimensional analysis as a check on equations o 1.4 Chapter 1 Practice Problems 2 Chapter 2 Elementary mass balances o 2.1 The Black Box approach to problem-solving 2.1.1 Conservation equations 2.1.2 Common assumptions on the conservation equation o 2.2 Conservation of mass o 2.3 Converting Information into Mass Flows - Introduction o 2.4 Volumetric Flow rates 2.4.1 Why they re useful 2.4.2 Limitations 2.4.3 How to convert volumetric flow rates to mass flow rates o 2.5 Velocities 2.5.1 Why they re useful 2.5.2 Limitations 2.5.3 How to convert velocity into mass flow rate o 2.6 Molar Flow Rates 2.6.1 Why they re useful 2.6.2 Limitations 2.6.3 How to Change from Molar Flow Rate to Mass Flow Rate o 2.7 A Typical Type of Problem o 2.8 Single Component in Multiple Processes a Steam Process 2.8.1 Step 1 Draw a Flowchart 2.8.2 Step 2 Make sure your units are consistent 2.8.3 Step 3 Relate your variables 2.8.4 So you want to check your guess Alright then read on. 2.8.5 Step 4 Calculate your unknowns. 2.8.6 Step 5 Check your work. o 2.9 Chapter 2 Practice Problems 3 Chapter 3 Mass balances on multicomponent systems o 3.1 Component Mass Balance o 3.2 Concentration Measurements 3.2.1 Molarity 3.2.2 Mole Fraction 3.2.3 Mass Fraction o 3.3 Calculations on Multi-component streams 3.3.1 Average Molecular Weight 3.3.2 Density of Liquid Mixtures 3.3.2.1 First Equation 3.3.2.2 Second Equation o 3.4 General Strategies for Multiple-Component Operations o 3.5 Multiple Components in a Single Operation Separation of Ethanol and Water 3.5.1 Step 1 Draw a Flowchart .