Class notes

Chemical Eng Fundamentals Handout 1 of spring 2023

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Course
CHE200 (CHY102)

Institution
Ryerson University (Ru )

Fundamentals and principles of chemical engineering; analysis and synthesis of chemical and biochemical processes; material and energy balances for reacting and non-reacting systems; recycle and by-pass systems; phase equilibrium; and combustion.

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Uploaded on May 12, 2023
Number of pages 4
Written in 2022/2023
Type Class notes
Professor(s) Dr. farhad ein-mozaffari
Contains Che200 - chemical eng fundamentals

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CHE200 - Chemical Eng Fundamentals
Chapter 4 Material Balances:

Material balances are nothing than the application of the
“CONSERVATION LAW FOR MASS”:
Mass is neither created nor destroyed.

- Material balances are used to design the plant.

- Material balances are carried out in the plant during its operation to
improve:
● Efficiency
● Maintain production
● Reduce environmental discharge
● Maintain control of the processes in the plant.

- Material balances allow you to understand what is occurring in a
processing plant.

System : any arbitrary portion of or a whole process that you want to
consider for analysis.
System boundary : a line that encloses the portion of the process that you
want to analyze.

Batch process
For a batch process, no mass exchange occurs with surroundings, or no
mass crosses the system boundaries between the time feed is charged and
the time the product is removed.

Continuous Process
A continuous process is one in which material enters and/or leaves the
system without interruption.

Semibatch Process:
Any process that is neither batch nor continuous.

Steady-state process:

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