Integrating Freshmen into Exploring the Multi-faceted World of Engineering & Sustainability through Biofuels Synthesis from Waste Cooking Oil Justinus.

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Presentation transcript:

Integrating Freshmen into Exploring the Multi-faceted World of Engineering & Sustainability through Biofuels Synthesis from Waste Cooking Oil Justinus A. Satrio 1, Laura-Ann Chin 1, Kenneth A. Kroos 2 1 Department of Chemical Engineering & 2 Department of Mechanical Engineering Villanova University Villanova, PA Presented at 2015 Pennsylvania Environmental Resources Consortium (PERC) Workshop Teaching About Climate Change January 9 th, 2015 Susquehanna University. Selingrove, PA 17870

What’s different today in education?? Students today need a reason and motivation to buy into an engineering education. Inviting and creative approach is needed early on Background

Engineering Interdisciplinary Project Courses 1 st quarter 2 nd quarter 3 rd quarter 4 th quarter Fall Semester Spring Semester 7 weeks Core course: Fundamentals & Micro-projects Freshman Mini Project #1 Freshman Mini Project #2 Discipline Specific Introductory Course EGR 1200EGR 1205

Biofuels Process & Sustainability Biodiesel Synthesis from Waste Cooking Oil & Use of Glycerol By-product for Soap Production Waste Cooking Oil Biodiesel + Glycerol byproduct A Freshman Engineering Mini Project

Motivation Expose young freshmen to the latest changes and issues in society Respond to our reliance on non-renewable fossil fuels that have rapidly depleted, causing negative impacts on our environment Help students to have early-on awareness of the role of engineering profession related to sustainability development

GOALS SPECIFIC GOAL S Use of engineering and chemistry principles to synthesize & characterize biodiesel from a renewable resource (Waste cooking oil from VU’s Dining Services) Use experimental data to evaluate process performances Assess overall sustainability of production process To learn aspects of Bioeconomy: 1.Production of transportation liquid fuels from biorenewable materials 2.Sustainability issues related to how biofuels are produced and utilized

GOALS SPECIFIC GOAL S Understand various aspects in sustainability concepts Develop awareness about the impacts of individual and society Develop knowledge on strategies and program activities that can be done to improve sustainability by reducing environmental impacts. To learn aspects of sustainability: 1.Current sustainability/environmental issues 2.Options in responding to sustainability/environmental issues

Learning Activities Week 1  Introduction to concepts of sustainability.  Sustainability and carbon footprint: how much CO 2 does my household emit per year? Work using carbon footprint calculator 2  Sustainability in biomass to biofuels processes  Biodiesel production process: process concept and chemistry  Preparation to go to the lab 3  Laboratory experiment #1: Biofuel synthesis and experimental data collection  In class: Introduction to the concept of mass and energy balance and heat transfer phenomena 4  Laboratory experiment #2: Biofuel characterization and experimental data collection  In class: Analyze data and use data to prepare a report on energy and heat transfer

Learning Activities Week 5  Laboratory experiment #3: Utilizing byproduct: soap making from glycerin by-product  In class: Analyze data and use data to prepare report on chemistry and mass balance 6  Lecture and in-class activity: Concept of entrepreneurship (in collaboration with Undergraduate Engineering Entrepreneurship program)  Working on poster 7 Final presentations: poster and final reports

Fundamental Concepts in Biodiesel Synthesis Chemistry Mass & Energy Balance Heat Transfer Sustainability & Entrepreneurship Variation of Feedstocks

Chemistry Behind Biodiesel Synthesis  Organic chemistry  Catalyzed reaction (Sodium methoxide)  Molecular weight calculation of oil  Basis for mass balance calculations Pictorial representation of transesterification reaction of WCO (triglyceride) into biodiesel. Transesterification of triglycerides to form biodiesel

Mass Balance Analysis Theoretical vs. Experimental Mass Balance

Energy Balance Analysis Watt meter for power usage measurement Infrared thermometer for temperature measurement

Energy Transfer Analysis Temperature (°C) and Energy Usage (kJ) Profiles during Biodiesel Synthesis vs. Time (min) Transient State Analysis Heat Loss by Convection

15 General Concepts of Sustainability

How to meet the needs of the present generation… …without compromising the ability of future generations to meet theirs Brundtland Commission Sustainable Development (United Nations)

Sustainability: The triple bottom line Society depends on the economy The economy depends on the global ecosystem, whose health represents the ultimate bottom line. Current sustainability/environmental issues: Climate Change or Disruption Water Ozone Depletion Soil Degradation and Food Supply Species Extinction Oceans and Fishery Resources Concentration of Toxics Depletion and Degradation of Natural Resources Etc. Group Discussion Select 1 or 2 sustainability issues from the list. For each issue: create a scenario, how the environmental disturbance caused by the issue can affect the economy and how the problem in the economy can impact the society. Choose the size of the society: local, regional, national or world wide?

18 How should we respond to environmental/sustainability Issues, such as climate change problems?

Society’s options Wait and see (+) no wasted effort (-) maximizes suffering Mitigate (+) reduces risk (-) may waste resources (-) some impacts unavoidable Adapt (+) better handling of risks (-) some impacts too severe Geo-engineer (+) potential desperation strategy (-) may trigger big side-effects (-) some impacts unavoidable

Stabilization Wedges A Concept and Game Stabilization Wedges A Concept and Game This presentation is based on the “Stabilization Wedges” concept first presented in "Stabilization Wedges: Solving the Climate Problem for the next 50 Years with Current Technologies,” S. Pacala and R. Socolow, Science, August 13, 2004.

1.6 Interim Goal Billions of Tons Carbon Emitted per Year Current path = “ramp ” Historical emissions Flat path Stabilization Triangle The Stabilization Triangle Tougher CO 2 target ~500 ppm ~850 ppm Easier CO 2 target

1.6 Billions of Tons Carbon Emitted per Year Current path = “ramp ” Historical emissions Flat path Stabilization Wedges 16 GtC/y Eight “wedges” Goal: In 50 years, same global emissions as today

15 Wedge Strategies in 4 Categories Energy Efficiency & Conservation (4) CO 2 Capture & Storage (3) Stabilization Triangle Renewable Fuels & Electricity (4) Forest and Soil Storage (2) Fuel Switching (1) Nuclear Fission (1) GtC/y 16 GtC/y Triangle Stabilization

“Wedge” Stabilization Group Discussion & Exercise Choose the top three wedges that you think to be the most promising and discuss the potentials of the wedges from the following perspectives: – Technical/Engineering Feasibility – Economics – Consumer Acceptance – Political Achievability – Globalization Potential 1.Auto Fuel Efficiency 2.Transport Conservation 3.Buildings Efficiency 4.Electric Power Efficiency 5.CCS—Electricity 6.CCS—Hydrogen 7.CCS—Synfuels 8.Fuel Switching—Natural Gas Power Plants 9.Nuclear Energy 10.Wind Electricity 11.Solar Electricity 12.Wind Hydrogen 13.Biomass Fuels 14.Forest Storage 15.Soil Storage

Sustainability of Biofuels Synthesis: Energy Balances

Sustainability of Biofuels Synthesis Life Cycle Analysis Concept

27 Samples of Assignments for Preparing Student’s Mindset on Sustainability

Read two articles: – Article 1: Climate Change 101 – Article 2: The Biofuels Controversies For each article students write a short summary and their thoughts one a particular issue/aspect that interest them the most. Preparing Student’s Mindset

Calculating Carbon Footprint Baseline Assessment 10% Reduction Scenario 30% Reduction Scenario 50% Reduction Scenario 70% Reduction Scenario Lessons Learned—Pros and Cons

Group assignment: developing projects for improving sustainability on Villanova University campus related to energy and water usages. Students present their proposed projects in a formal poster session held at the end of the course. Convey technical information to an audience Defend work through Q&A sessions Open to public Developing Projects for Improving Sustainability on Villanova University.

Project # 3

Project # 4

Project # 5

Project # 6

Conclusion Biofuels production & process plant analysis : highly interdisciplinary engineering effort Introduce students to a variety of engineering design, development tools & concepts of sustainability Seed in helping students decide early on and become an all rounder engineer Through multidisciplinary hands-on engineering projects, students will have the opportunity to explore the demands and expectations of engineering and better prepare them for a successful undergraduate career.

Recruiting Platform for Student-Run Villanova Biodiesel Program 3500 Scale up of process from lab bench design Process flow diagrams

Acknowledgment Thank you for your attention

38

Additional Slides

Students’ Responses on awareness about sustainability in general

Students’ responses on awareness of engineering in connection to environmental sustainability

Students’ responses on their levels of technical understanding and knowledge from taking the course.

Students’ Responses: Motivation in Choosing Project  Interested in learning about biofuels and/or sustainability  Likes chemistry and want to learn chemistry of biofuel synthesis  Want to learn to make biodiesel and soaps  It sounds fun, “cool” and/or interesting  Want to know if truly interested in chemical engineering

Big Picture: The “Master” Equation I = P x A x T I = total environmental impact from human activities P = population A = affluence or per capita consumption T = environmental damage from technology per unit of consumption Source: Ehrlich and Holdren (1971) 44

I=PxAxT---Unique Role for the Scientific Profession!!! In the “Master” Equation, T, is the home domain of the scientific profession Our critical professional challenge is to reduce T in terms of “environmental impact” per unit of GDP For I to stay constant, the inevitable increases in P x A must be offset by corresponding reductions in T 45

Experimental Setups Biodiesel synthesis setup Titration setup

Experimental Setups Mass balance setup Soap production setup

Villanova University, founded in 1842, is the oldest and largest Catholic university in the State of Pennsylvania. Over 10,000 undergraduate, graduate, and law students, take part in a wide variety of degree programs throughout the University's five colleges – 1) College of Liberal Arts and Sciences, 2) College of Engineering, 2) College of Nursing, 4) School of Business and 5) Villanova School of Law.  COE is ranked in the top 15 in the country by U.S. News & World Report for engineering schools awarding primarily bachelor’s and master’s degrees. COE offers PhD program in Engineering.  Average 240 freshmen in Engineering. Enrollments keep rising.  > 94% freshman-to-sophomore retention rate.  ~ 90% graduation rate About Villanova University 48