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Not All Engineers Drive Trains
Name, Chemical Engineer
How many of you like science and math?
You could be a scientist or an engineer when
you grow up.
I design highways I design bridges and
roads I design schools I supervise construction
of the ice cream factory
Who Am I?
I am a Civil Engineer
I design car engines I design the tanks used by
the army I design robots I design the conveyor belts
in ice cream factories
Who Am I?
I am a Mechanical Engineer
I design the circuit boards in your Nintendo
I design the wiring systems to deliver electricity to this classroom
I design the power system for all the big refrigerators used in the ice cream plant
Who Am I?
I am an Electrical Engineer
I design plants that make plastic used in milk bottles
I help make all the gasoline for your car
I make the medicines used to treat your colds
I design the ice cream making process
Who Am I?
I am a Chemical Engineer
I design airplanes I design the missiles and
rockets I design the space shuttle I eat ice cream
Who Am I?
I am an Aerospace Engineer
What do Chemical Engineers Do?
Chemical Enginers solve these kinds of problems:– How can make more gasoline?– How can we reduce pollution?– How do I design an artificial kidney?– How do make paint?– How do I make medicine?– How make plastics from corn?– How do we make ice cream?
Chemical Engineers Scale Up chemical processes
From the laboratory, to the plant
Examples of Chemical Engineering
How do we make ice cream?
What do we need to make ice cream?9,200 pounds of ice cream or
1,100 gallons of ice cream
Ingredient PoundsStabilizer 66Dried egg yolk 63Cane sugar 1,656Cream, 30% 3,812Nonfat dry milk, 97%MSNF 1,096Water 2,507
Total 9,200
1 gallon weighs 8.3 pounds
How much does it cost to make 9,200 pounds of ice cream?
Ingredients Cost/lb ($/lb)Stabilizer $1.70Dried egg yolk $2.00Sugar $0.31Condensed skim milk, 27% TS $0.25Cream, 30% fat $0.63Cream, 40% fat $0.82Milk, 4% $0.13Nonfat dry milk, 97% MSNF $0.92Water $0.00
How do we use math to make a gallon of ice cream?
Ingredient PoundsCost/lb ($/lb)
Total cost ($)
Stabilizer 66 X $1.70 = $111.72Dried egg yolk 63 X $2.00 = $125.65Cane sugar 1,656 X $0.31 = $513.37Cream, 30% 3,812 X $0.63 = $2,416.47Nonfat dry milk, 97%MSNF 1,096 X $0.92 = $1,008.45Water 2,507 X $0.00 = $5.01
Total 9,200 $4,180.68
Raw Material Cost = $3.80 per gallon
66 X $1.70 = $111.72
How do we use math to make a gallon of ice cream?
Ingredient PoundsCost/lb ($/lb)
Total cost ($)
Stabilizer 66 X $1.70 = $111.72Dried egg yolk 63 X $2.00 = $125.65Cane sugar 1,656 X $0.31 = $513.37Cream, 30% 3,812 X $0.63 = $2,416.47Nonfat dry milk, 97%MSNF 1,096 X $0.92 = $1,008.45Water 2,507 X $0.00 = $5.01
Total 9,200 $4,180.68
Raw Material Cost = $3.80 per gallon
$111.72+ $125.65+ $513.37+ $2,416.47+ $1,008.45+ 5.01
$4,180.68
Ice cream tastes good.But is it good for you?
Fat FatIngredient Quantity (lb) % lbsStabilizer 66 0.0% 0Dried egg yolk 63 62.5% 39Cane sugar 1,656 0.0% 0Cream, 30% 3,812 0.0% 0Nonfat dry milk, 97% MSNF 1,096 30.0% 329Water 2,507 40.0% 1003
Total 9,200 1371
15% Fat!
Ice Cream Manufacturing Flow Sheet
Can You Read an Engineering Drawing?
How many pumps are required?
Can You Read an Engineering Drawing?
What temperature is the ice cream when it is put in cartons?
Can You Read an Engineering Drawing?
Why can’t we pump the ice cream into cartons?
Why did I become an Engineer?
Fourth grade teachers—Miss Todd – arithmetic —Mrs. Van Horn – science
Mom and Dad—“The Boy Scientist”—“Our Friend the Atom”—Chemistry set
Why did I become an Engineer?
I liked: math (calculating stuff) science (knowing why stuff works) taking things apart making things reading and writing
Mostly, I like people!
What have I done as a Chemical Engineer? Made cancer medicines Developed pollution control systems Made plastics Built chemical plants
– Cement plant – burned waste as fuel– Carbon nanotube production plant– Plastics plant
Designed a process to make plastics from corn Taught college (part time) Published over 150 papers and presentations
Education High school
– Math – 4 years– English – 4 years – Science -3 years – History – 3 years– Computers – 1 year– Spanish – 2 years– Speech – 1 year– Typing – 1 year (called keyboarding today)
College– Chemical Engineering– Engineering Management
Questions?