Clean Diesel Technologies for Air Pollution Reduction

1

• Clean Diesel Technologies for Air Pollution
  Reduction
• Brad Homoelle (St. Xavier H.S.)
• Andy Zureick (Harrison H.S.)
• Benson Flory (Twin Valley South H.S)

2
Curriculum Implementation Plan

• Advantages of biodiesel introduction/graphing
  activity
• Biodiesel synthesis
• Average molecular weight using freezing point
  depression
• Engineering measurement exercises

3
Generalized Lesson Plans - 1

• Students will
• Use Excel to recreate EPA graph of Average
  Emissions Impact of Biodiesel
• Use graph to guide investigation of
• Effects of emission components/reason for
  interest
• Advantages and disadvantages of biodiesel

4
Standards Fulfilled

• State of Ohio Benchmarks
• Earth and Space Sciences
• Historical Perspectives and Scientific
  Revolutions
• Scientific Inquiry
• Scientific Ways of Knowing
• Science and Technology

5
Biodiesel Bench Scale Product Note
darker glycerin product at lower left.
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Generalized Lesson Plan - 2

• Students will
• Synthesize biodiesel using various feedstocks
• Determine the freezing point depression of
  butylated hydroxytoluene (BHT) when biodiesel
  product is added to it.
• From freezing point depression, molecular weight
  of biodiesel will be determined.

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• Setup for molecular mass determination by
  freezing point

8
Standards Fulfilled

• From AP Chemistry lab standards
• Determination of molecular weight through
  freezing point depression
• Perform organic reaction and isolate products
• Extract and separate substances based on their
  differing physical properties

9
Use of a camera to freeze a Frisbee in
flight. The tape strip serves as an index to
speed of rotation.
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Generalized Lesson Plan - 3

• Students will
• Decide upon a quantity to be measured
• Devise a measurement protocol
• Carry out the protocol
• Perform all calculations leading to the
  value of the quantity

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Sample Quantities

• The speed of a water wave
• The pH of a solution (no meters or pH papers)
• Heat of neutralization of a chemical reaction
• Heat of reaction
• Caloric content of a nut
• The R value of an insulation sample
• Metal resistivity
• The electrical resistance of a suitable conductor
• Shape and direction of a magnetic field around a
  current carrying wire
• The efficiency of a machine or motor

• The brightness of light source
• Frequency of a laser beam
• Radius of curvature of a mirror
• Focal length of a lens
• Number of peanuts in a box of peanut brittle
• Number or gumballs in a gum machine
• Number of baseballs to fill a car interior
• The percentage of water in hydrate
• Height of a tall building
• Thickness of a soap bubble
• The acceleration due to gravity

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Standards Fulfilled

• State of Ohio Benchmarks
• Earth and Space Science
• Science and Technology
• Physical Sciences

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Acknowledgements

•  
• National Science Foundation (Grant 0601960),
  University of Cincinnati Research Experience for
  Teachers (RET) Program, 2008.
• Dr. Anant Kukreti , Dr. Mingming Lu and Rachel
  Agnew University of Cincinnati, Cincinnati, OH
•  
• Dr. Brad Homoelle and Andy Zureick, RET Fellows
  University of Cincinnati, 2008
• Dr. Suzanne Soled, Northern Kentucky University,
  Highland Heights, Kentucky