CHEG 200 Laboratory Objectives (P1 – P5)
Your team’s responsibilities are to complete laboratory experiments as outlined in the handout entitled
“BEEF, Inc. Team Projects.” This handout was attached to the gold “CHEG 200 Internship Program”
memo that you received on the first day of work. Your project supervisor and the laboratory assistants
will provide guidance and feedback only during the experiments for Projects 1, 2, 3, and 4. For Project 5,
your team will be on its own when doing the laboratory experiment.
Mathematical models can be written to describe the material and energy balances of chemical process
units. Thus far, you have used a mathematical algorithm to solve a math model by calculating the
conditions of the outgoing process streams knowing the conditions of the incoming process streams. This
type of calculation is called a simulation analysis—knowing the input streams, determine the output
streams. For example in the Styrene Monomer Demo, you have calculated the total flow rate and
component mole fractions of the product stream from a chemical reactor, when given the total flow rate
and component mole fractions of the incoming streams and the reaction conversion. This is based on the
fact that the material and energy balance equations represent reality; that is, all process units operate
according to the conservation laws of mass and energy.
In the laboratory sessions, your team will conduct experiments on five realistic process units to verify
how “real” or “truthful” the conservation laws are, and to determine percent recovery. This experimental
procedure is often called the scientific method. We still apply the problem-solving methodology we have
developed in the course. That is:
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propose a mathematical model to represent the physical situation,
design a laboratory experiment using chemical processing equipment,
run the experiment and collect the necessary data,
verify the mathematical model using the experimental data, and
report you findings.
For each experiment, your team must keep a team laboratory notebook, which is a chronological record of
all of your work on an experiment. You and your team are to record all work on the experiment in the
team’s laboratory notebook. Also, you must dress appropriately and observe safety regulations. The
handout entitled “BEEF, Inc. Team Projects” addresses these issues. Please read it. Your team will
not be permitted to enter the lab without a proper laboratory notebook and appropriate dress.
Your team has two weeks to complete an assigned laboratory experiment. Each day of the two-week
period, you are to complete the following objectives in your team’s lab notebook:
Before 1st Monday
1st Monday
1st Wednesday
1st Friday
2nd Monday
2nd Wednesday
2nd Friday
State how the major process unit in your experiment works.
Analyze conceptual & math models, inspect equipment, and relate them.
Present math algorithm, units consistency, and important safety factors.
Present the experimental procedure and appropriate Excel data sheet.
Conduct experiment, record data, and present lab notebook to instructor.
Present the analysis on the experimental data.
Present team’s lab notebook for final inspection by laboratory assistant.
On each indicated day, the lab assistant will inspect your progress on the laboratory assignment using the
“Laboratory Notebook Checklist” form. Before the first Monday of a project, you are to use the
electronic encyclopedia of chemical engineering equipment (found in your textbook’s CD-ROM) to become
familiar with how the major process unit works in your assigned experiment. Please note that each team
member must be prepared to answer any questions on any aspect of the experiment.
Your team must periodically present the laboratory notebook to your project supervisor for inspection and
signature. These inspections occur on the days given in the above table.
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