CH EN 2800 Fundamentals of Process Engineering

orMass and Energy Balances

Terry A. RingChemical Engineering

University of Utah

Pop Quiz -1

• Answer Two Questions– What is a chemical engineer?– Why do you want to be a chemical engineer?

What is a Chemical Process?

• Process to make Gasoline• Process to make Polyethylene• Process to make Fertilizer (NH4NO3)• Process to make High Purity Silicon

– Computer Chips – Solar Cells

• Process to make Penicillin• Process to make Yogurt• Process to make Potato Chips

General View of a Chemical Process

This course

• Helps you understand these processes• Helps you design these processes• Helps you prevent…..

BP Texas City Plant 3-05

15 people dead180 Injured

$1.6 Billion to settle 1000 claims

A Specific Chemical Process

Octane Reaction

• 2C2H4 + C4H10 C8H18

• P= 5 psi, T=93ºC, X=98% Conversion

Preliminary Flow Sheet

•2C2H4 + C4H10 C8H18

Flash ΔP= 2 psi

Distillation

Purge Stream

Recycle Stream

Chemical Process

• Separation Section of Plant

• Distillation Columns

This Course

• Web page to be found– www.che.utah.edu/~ring/ChE 2800– On WebCT

• Chalk and Talk Class– Problem Solving Session on Friday in Class

• Bring all questions about homework on Friday

A bit about your instructor

Lets Get Started

• First Week Chapters 1, 2, 4 & 5 (not 3)– Dimensions/Units and their Conversion– Moles, Density and Concentration– Temperature– Pressure

• Review of General Chemistry