Pre-Class Monday Pre-Class Monday 11-19-1211-19-12

What do you think Chemical What do you think Chemical Engineers do?Engineers do?

Chemical EngineeringChemical Engineering

Emphasis on chemistry and the Emphasis on chemistry and the chemical nature of products and chemical nature of products and

processesprocesses

BackgroundBackground

Take what chemists do in the lab and Take what chemists do in the lab and apply fundamental engineering principles apply fundamental engineering principles to it for societal useto it for societal use

Design, develop, and operate large-scale Design, develop, and operate large-scale production facilities (2 out of 3 work for production facilities (2 out of 3 work for manufacturing industry)manufacturing industry)

Work with process to ensure safe handling Work with process to ensure safe handling of reliable chemical products of reliable chemical products

Typically, the highest paid engineer with a Typically, the highest paid engineer with a Bachelor’s degree only ($64,902)Bachelor’s degree only ($64,902)

Penny DropsPenny Drops MaterialsMaterials

2 pennies2 pennies •• Paper towelsPaper towels 2 pipettes2 pipettes •• Beakers Beakers

ProceduresProcedures Find the number of drops of water that will fit on a penny.Find the number of drops of water that will fit on a penny. Find the number of drops of isopropyl alcohol that will fit on a Find the number of drops of isopropyl alcohol that will fit on a

penny.penny.

ConclusionsConclusions Based on your results, describe the differences between the Based on your results, describe the differences between the

materials.materials. How could this information help with handling the liquids?How could this information help with handling the liquids? Give three reasons why your results may be different than Give three reasons why your results may be different than

other groups.other groups.

Pre-Class Tuesday Pre-Class Tuesday 11-20-1211-20-12

The Forest Art Gallery has been robbed. The police suspect well-known art thief Kenny Kangaroo. Max Mouse was at the museum and snapped a photo that seems to confirm his guilt. But, Slylock Fox insists the police are pursuing the wrong suspect. Why?

American Institute of Chemical EngineersAmerican Institute of Chemical Engineers Catalysis and Reaction EngineeringCatalysis and Reaction Engineering Computing and Systems TechnologyComputing and Systems Technology Engineering and Construction ContractingEngineering and Construction Contracting EnvironmentalEnvironmental Food, Pharmaceutical, and BioengineeringFood, Pharmaceutical, and Bioengineering Forest ProductsForest Products Fuels and PetrochemicalsFuels and Petrochemicals Heat Transfer and Energy ConversionHeat Transfer and Energy Conversion ManagementManagement Nuclear EngineeringNuclear Engineering Petroleum EngineeringPetroleum Engineering Safety and HealthSafety and Health

Environmental EngineeringEnvironmental Engineering Applies science in the pursuit of making the Applies science in the pursuit of making the

world a safer place for humans and animalsworld a safer place for humans and animals Formerly known as sanitary engineeringFormerly known as sanitary engineering Involves three main areas: Involves three main areas:

Disposal: disposal and processing of industrial Disposal: disposal and processing of industrial and residential waste (similar to Civil)and residential waste (similar to Civil)

Remediation: cleaning up of a contaminated siteRemediation: cleaning up of a contaminated site Prevention: design process to reduce or Prevention: design process to reduce or

eliminate harmful waste (most common area of eliminate harmful waste (most common area of Environmental)Environmental)

ChromatographyChromatography

an analytical technique for separating an analytical technique for separating and identifying mixtures that are or can and identifying mixtures that are or can

be colored, especially pigments be colored, especially pigments

Pre-Class Monday Pre-Class Monday 11-26-1211-26-12

List three branches, recognized by List three branches, recognized by AIChE, of Chemical Engineering.AIChE, of Chemical Engineering.

Separating LiquidsSeparating Liquids MaterialsMaterials

Test Tubes (2)Test Tubes (2) Test Tube RackTest Tube Rack Isopropyl alcoholIsopropyl alcohol Vegetable oilVegetable oil Food ColoringFood Coloring

Answer questions upon Answer questions upon completion of Procedurescompletion of Procedures

Did the food coloring and Did the food coloring and vegetable oil have the same vegetable oil have the same bond type? Explain.bond type? Explain.

Did the food coloring and Did the food coloring and isopropyl alcohol have the isopropyl alcohol have the same bond type? Explain.same bond type? Explain.

ProceduresProcedures Obtain 2 test tubes and 1 test Obtain 2 test tubes and 1 test

tube rack.tube rack. Wipe out test tube with paper Wipe out test tube with paper

towel.towel. Add 3 pipettes of water to 1 Add 3 pipettes of water to 1

test tube (~1/3 full).test tube (~1/3 full). Add 3 pipettes of oil (slowly) to Add 3 pipettes of oil (slowly) to

test tube.test tube. Raise your hand and I will add Raise your hand and I will add

food coloring to it.food coloring to it. Observe and record.Observe and record. Repeat above steps using new Repeat above steps using new

test tube, new pipette, and test tube, new pipette, and isopropyl alcohol.isopropyl alcohol.

Rinse test tube with water and Rinse test tube with water and wipe dry.wipe dry.

Nuclear EngineeringNuclear Engineering

Study nuclear energy and radiation and Study nuclear energy and radiation and their beneficial usestheir beneficial uses

Most work at nuclear plants to design, run, Most work at nuclear plants to design, run, observe, and improve the reactor’s observe, and improve the reactor’s efficiency and safe operationefficiency and safe operation

Concerned mostly with electricity Concerned mostly with electricity production, propulsion systems, waste production, propulsion systems, waste disposal, and radiation applicationsdisposal, and radiation applications

Nuclear Technical DivisionsNuclear Technical Divisions

Biology and MedicineBiology and Medicine Decommissioning, Decommissioning,

Decontamination, and Decontamination, and ReutilizationReutilization

Education and TrainingEducation and Training Environmental SciencesEnvironmental Sciences Fuel Cycle and Waste Fuel Cycle and Waste

ManagementManagement Fusion EnergyFusion Energy Human FactorsHuman Factors Isotopes and RadiationIsotopes and Radiation

Materials Science and Materials Science and TechnologyTechnology

Mathematics and Mathematics and ComputationsComputations

Nuclear Critically SafetyNuclear Critically Safety Nuclear OperationsNuclear Operations Nuclear Installations SafetyNuclear Installations Safety PowerPower Radiation Protection and Radiation Protection and

ShieldingShielding Reactor PhysicsReactor Physics

Pre-Class Tuesday Pre-Class Tuesday 11-27-1211-27-12

Write: “Guest speaker: Write: “Guest speaker: Dr Adam from Dr Adam from

Dynetics”Dynetics”

Types of Nuclear DecayTypes of Nuclear Decay Alpha DecayAlpha Decay

Alpha particle is made of Alpha particle is made of 2 protons and 2 neutrons2 protons and 2 neutrons

Beta DecayBeta Decay Beta particle is an Beta particle is an

electron given off during electron given off during decaydecay

Loses a neutron and Loses a neutron and gains a protongains a proton

Gamma DecayGamma Decay Most penetrating form of Most penetrating form of

radiationradiationTransmutation – the process when

one element becomes another through radioactive decay

Fission (to divide)Fission (to divide) Fusion (to combine)Fusion (to combine) Fission is the process Fission is the process

of splitting a nucleus of splitting a nucleus into two smaller into two smaller massesmasses

Nuclear reactors use Nuclear reactors use controlled chain controlled chain reactions to convert reactions to convert nuclear energy into nuclear energy into electrical energyelectrical energy

Used in nuclear Used in nuclear weaponsweapons

Fusion is the Fusion is the process of process of combining two combining two smaller masses smaller masses into one larger into one larger nucleusnucleus

The sun uses The sun uses thermonuclear thermonuclear fusion to radiate fusion to radiate energy outwardsenergy outwards

Wednesday 11-28-12Wednesday 11-28-12

In general, there are three types of In general, there are three types of radioactive decay: alpha, beta, and radioactive decay: alpha, beta, and gamma. Which is the most deadly and gamma. Which is the most deadly and useful to humans?useful to humans?

Petroleum EngineerPetroleum Engineer

Maintain the flow of Maintain the flow of petroleum in a safe and petroleum in a safe and reliable mannerreliable manner

They are involved in They are involved in (working with many (working with many different groups):different groups):

Exploration of crude oilExploration of crude oil Removal of the oilRemoval of the oil Transporting the oilTransporting the oil Refining the oilRefining the oil

Designs, develops, and Designs, develops, and operates the equipment to operates the equipment to process the petroleum into process the petroleum into the end productthe end product

Fossil FuelsFossil Fuels

Petroleum (crude oil)Petroleum (crude oil) A flammable fluid produced A flammable fluid produced

from decaying animals in from decaying animals in high pressure and high pressure and temperature over a long temperature over a long period of timeperiod of time

Mined from undergroundMined from underground Natural GasNatural Gas

Petroleum that has been Petroleum that has been turned in to a gasturned in to a gas

Always found with Always found with petroleum, undergroundpetroleum, underground

CoalCoal A brittle solid produced from A brittle solid produced from

decaying plants in high decaying plants in high pressure and temperature pressure and temperature over a long period of timeover a long period of time

Mined from undergroundMined from underground

Fossil Fuel Power PlantFossil Fuel Power Plant

Nuclear Power PlantNuclear Power Plant

Pre-Class Thursday Pre-Class Thursday 11-29-1211-29-12

Write down one similarity and one Write down one similarity and one difference between fossil fuel difference between fossil fuel reactors and nuclear reactors.reactors and nuclear reactors.

Renewable Sources of EnergyRenewable Sources of Energy

SolarSolar

HydroelectricHydroelectric

TidalTidal

WindWind

GeothermalGeothermal

Pre-class FridayPre-class Friday11-30-1211-30-12

Write: “Studying for written test.”Write: “Studying for written test.”

Don’t forget to turn-in your Pre-classes for the week!

Pre-Class Wednesday Pre-Class Wednesday 11-10-1011-10-10

In the first lab yesterday, how was In the first lab yesterday, how was the “harmful” lead removed from the “harmful” lead removed from

the mixture/compound?the mixture/compound?