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UT-Chattanooga
Manhattan College Univ. of Connecticut
Univ. of Nevada, Reno Rowan University
Rowan University Univ. of Toledo
Green Engineering
Jim Henry
Ann Marie Flynn Luke E Achenie
Wallace B Whiting Robert P Hesketh
C. Stewart Slater Martin Abraham
Examples of Teaching
Green Engineering
in Engineering Courses
University of Connecticut
Manhattan College
UT-Chattanooga
University of Nevada, Reno
Rowan University
University of Toledo
http://www.rowan.edu/
greenengineering
Free, Web-based resources
Green Engineering
Examples of Teaching
Green Engineering
in Engineering Courses
Green EngineeringDefinitions & Scope
Principle 1: … nonhazardousPrinciple 2: … prevent waste.Principle 3: … minimize energy consumption and materialsPrinciple 4: … maximize … efficiencyPrinciple 5: … “output pulled”Principle 6: … complexity … viewed as … investment Principle 7: … durability … a design goalPrinciple 8: … unnecessary capacity … a design flawPrinciple 9: Material diversity … be minimized Principle 10: … integration … energy and materialPrinciple 11: Products … designed for … “afterlife”Principle 12: … inputs … renewable
Green EngineeringSupport from
US Environmental Protection Agency,
Office of Prevention, Pesticides, and Toxic Substances
Work of othersD. T. Allen
D. R Shonnard
•Free,Web-based
ProblemsLessonsExperimentsReferences
• Freshman/General Engineering Course Material• Principles of Chemical Processes
• Materials Science • Separations Processes
• Design• Life Cycle Assessment
• System Dynamics and Control • Heat Transfer
• Chemical Engineering Thermodynamics • Transport Phenomena
Green Engineering
Green Engineering
• Freshman/General Engineering Course Material• Principles of Chemical Processes
• Materials Science • Separations Processes
• Design• Life Cycle Assessment
• System Dynamics and Control • Heat Transfer
• Chemical Engineering Thermodynamics • Transport Phenomena
• Green engineering topics covered in the module– Unit conversions typically used in GE calculations– Typical methods for representing the concentration of pollutants in
air and water– Data analysis of GE problems– Uncertainty in GE calculations (significant figures)
Freshman/General Engineering Course Material
Freshman/General Engineering Course Material
• Green engineering topics covered in the module– Methods used to determine a chemical’s environmental fate and
toxicity– Critical thinking for life cycle assessment of different materials– Impact of engineering decisions on a population of people
Green Engineering
• Freshman/General Engineering Course Material• Principles of Chemical Processes
• Materials Science • Separations Processes
• Design• Life Cycle Assessment
• System Dynamics and Control • Heat Transfer
• Chemical Engineering Thermodynamics • Transport Phenomena
Aligned with TextsFelder and Rousseau
Green Engineering
• Freshman/General Engineering Course Material• Principles of Chemical Processes
• Materials Science • Separations Processes
• Design• Life Cycle Assessment
• System Dynamics and Control • Heat Transfer
• Chemical Engineering Thermodynamics • Transport Phenomena
Green Engineering
• Freshman/General Engineering Course Material• Principles of Chemical Processes
• Materials Science • Separations Processes
• Design• Life Cycle Assessment
• System Dynamics and Control • Heat Transfer
• Chemical Engineering Thermodynamics • Transport Phenomena
Green Engineering
• Freshman/General Engineering Course Material• Principles of Chemical Processes
• Materials Science • Separations Processes
• Design• Life Cycle Assessment
• System Dynamics and Control • Heat Transfer
• Chemical Engineering Thermodynamics • Transport Phenomena
Green Engineering
• Freshman/General Engineering Course Material• Principles of Chemical Processes
• Materials Science • Separations Processes
• Design• Life Cycle Assessment
• System Dynamics and Control • Heat Transfer
• Chemical Engineering Thermodynamics • Transport Phenomena
Green Engineering
• Freshman/General Engineering Course Material• Principles of Chemical Processes
• Materials Science • Separations Processes
• Design• Life Cycle Assessment
• System Dynamics and Control • Heat Transfer
• Chemical Engineering Thermodynamics • Transport Phenomena
Aligned with TextsSmith and CorripioSeborg, Edgar and Mellichamp
System Dynamics and Control
• Transient material balance – Oil level in a tank
– Real life spillage event
• Plant assignments -- Real operating GE “plants”
– System identification• Steady-state operating curve• Step response• Frequency response
– Controller Design• PID controllers
– Plant troubleshooting
System Dynamics and Control
• Real operating pilot plants– Paint-Spray Booth – Air Filtering
– Aerator Mixer at a waste water treatment plant
– Filter Wash at a waste water treatment plant
• Pilot plants operated remotely via the Web– Analysis done locally by students
System Dynamics and Control
Green Engineering
• Freshman/General Engineering Course Material• Principles of Chemical Processes
• Materials Science • Separations Processes
• Design• Life Cycle Assessment
• System Dynamics and Control • Heat Transfer
• Chemical Engineering Thermodynamics • Transport Phenomena
Aligned with TextsIncropera and DeWitt
Heat Transfer
24 problems to complement different topics in 13 chapters of Incorpera & DeWitt
Heat Transfer
Heat Transfer
• Some of the Green Engineering Topics Covered – Melting and Boiling Points, Partitioning Coefficients, Henry’s
Law, TLVs and PELs– Health Hazards and Hazard Assessment Associated with
Chemical Exposure– Pollution Prevention Concepts and Terminology, Energy
Conservation Techniques– Environmental Cause and Effect of Global Warming, Ozone
Depletion– The Roles and Responsibilities of the Chemical Engineers to
their Colleagues, their Employers, and to the Protection of the Environment
Heat Transfer
Heat Transfer
Heat Transfer ConceptsStudents are required to calculate heat loss from
heated swimming pool
Heated Swimming Pool
GE Concepts
Students are required to determine the optimum time of day to turn on heater to decrease heat loss and energy usage
Heat Transfer
Heat Transfer
Ecuador Pipeline
Heat Transfer ConceptsStudents are required to calculate insulation thickness for heated transfer line
GE ConceptsStudents are required to evaluate impact of building pipeline through rainforest and areas that sustain many earthquakes, landslides and soil shifting
Heat Transfer
Heat Transfer
Replacement Windows
GE ConceptsStudents are required to complete a life-cycle study on the windows using a 25 year mortgage as basis
Heat Transfer ConceptsStudents are required to compare rate of heat transfer through standard double pane windows to argon-filled windows
Heat Transfer
Heat Transfer
I’ve had 3 students independently approach me to find out how they can pursue Green Engineering further (2 men, 1 woman)
They also happen to be 3 of the best students in the class.
--Ann Marie Flynn
Heat Transfer
• Freshman/General Engineering Course Material• Principles of Chemical Processes
• Materials Science • Separations Processes
• Design• Life Cycle Assessment
• System Dynamics and Control • Heat Transfer
• Chemical Engineering Thermodynamics • Transport Phenomena
Green Engineering
Aligned with Text:Sandler
with references to: Elliott and LiraSmith, van Ness, and Abbott
Green Engineering
• Freshman/General Engineering Course Material• Principles of Chemical Processes
• Materials Science • Separations Processes
• Design• Life Cycle Assessment
• System Dynamics and Control • Heat Transfer
• Chemical Engineering Thermodynamics • Transport Phenomena
http://www.rowan.edu/
greenengineering
Free, Web-based resources
Green Engineering
Examples of Teaching Green Engineering in Engineering
Courses
Green Engineering
• Freshman/General Engineering Course Material• Principles of Chemical Processes
• Materials Science • Separations Processes
• Design• Life Cycle Assessment
• System Dynamics and Control • Heat Transfer
• Chemical Engineering Thermodynamics • Transport Phenomena
Aligned with TextsFelder and Rousseau
Material and Energy balances
• Green engineering topics covered in the module– Unit conversions typically used in GE process calculations– Typical methods of representing concentration of pollutants
in a process– Balances on recycle operations in GE processes– Representation and calculation of pollutant volatility using
vapor pressure– Use of various equations of state in GE design calculations
for gas systems
Material and Energy balances
• Green engineering topics covered in the module– Recovery of energy in a process – energy integration– Energy use in green chemistry reactions, combustion processes– Mixing of solution issues in GE– Industrial case studies of GE manufacturing processes– Representation of mass and energy flows for transient processes
with GE significance
Green Engineering
• Freshman/General Engineering Course Material• Principles of Chemical Processes
• Materials Science • Separations Processes
• Design• Life Cycle Assessment
• System Dynamics and Control • Heat Transfer
• Chemical Engineering Thermodynamics • Transport Phenomena
Aligned with Various Texts
Separations Processes
• Equilibrium Staged Operations– Distillation– Absorption– Extraction– Stripping– Washing– Leaching
•Rate Controlled Operations
–Reverse osmosis
–Gas permeation
–Adsorption
–Ultrafiltration
–Crystallization
Separations Processes
• Green engineering topics covered in this module– Mass and energy balances on column
• Mass Integration• Heat Integration
– Solvent selection– Better understanding of the economic
and environmental reasons for recycling
Separations Processes
• Green engineering topics covered in this module
– Introduces concepts of regulations and government controls on emission levels
– Process optimization and innovation– Predicting the environmental impacts of
the operation
• Freshman/General Engineering Course Material• Principles of Chemical Processes
• Materials Science • Separations Processes
• Design• Life Cycle Assessment
• System Dynamics and Control • Heat Transfer
• Chemical Engineering Thermodynamics • Transport Phenomena
Green Engineering
Aligned with Text:Sandler
with references to: Elliott and LiraSmith, van Ness, and Abbott
• Types of Problems– Thought Questions
• to use as triggers for class discussion
– Traditional Problems• to use as normal homework or example problems
– Extended Problems• to use as group assignments or in graduate courses
• Existing Problems– Thermo Textbooks
(w/page references in Instructor Guide)– Allen and Shonnard, Green Engineering
(w/page references in Instructor Guide)
Chemical Engineering Thermodynamics
Chemical Engineering Thermodynamics
• Thermophysical Properties– Group-Contribution and Bond-Contribution Techniques
• Vapor pressure, Aqueous Henry’s Constant, etc.• Analogs to UNIFAC and Corresponding States• Uncertainty Analysis
• Green Chemistry– Refrigerant Selection
• Thermophysical Properties• Environmental Properties• Efficiencies
• CO2 Sequestration vs. Overall Efficiency
Chemical Engineering Thermodynamics
• Phase Equilibrium for Environmental Fate– VLE
• VOC’s• Henry’s Law
– LLE• MTBE to groundwater• Risk Shifting and Unintended Consequences
• Global Warming– CO2 Solubility in Seawater– Stability of CO2 Seawater Sink
• Reaction Equilibrium– NOx Formation vs. Combustion Temperature
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