PROCESS SAFETY ENGINEERING
Homework #10 (Due Date: November 20, 2015)
A filling and dispensing process is used to store a flammable liquid from a tank
truck and dispense it to a process when needed. A simple diagram of the process
is shown below.
CHEN 655 Homework #12
Submission Date: Dec 09, 2015
a) Flammable gas refers to gas having a flammable range with air at 20 and a standard
pressure of 101.3 kPa. The HCS definit
Relationship between Minor Events and
Process Safety Management
When it comes to severity of an event, the safety pyramid, which is defined in H. W.
dont regard conduct a HAZOP early as a good plan. Because before
the HAZOP study is started, there should be update PFDs, process
and instrumentation diagrams (P&IDs), detailed materials of
constructions, equipment specifications, and mass and ene
H2O H2 + O2
Initial concentration 20 mol/liter of water at 298 K at constant volume; determine equilibrium
compositions in the range 1000-4000K.
qH2O / V
20 x (10 x )
x (10 x )
Solution HW 1
Problem 2.1: For a gas of N-like particles
Show that if the gas consisted of N1 particles of type 1 and N2 particles of type 2, the expression
for Q is
q1N 1 q 2N 2
N1! N 2!
where q1 and q2 are the single particle partit
The starting point is the configuration integral
2 N 2 B ( x1 ,x2 ,T )
N 2 1
Z ( N1 ,N 2 ,V ,T ) =
V N exp
V N exp ( NB ( x1 ,x2 ,T ) )
( N1 ,N 2 ,T ) 1 2 exp ( NB ( x1 ,x2 ,T ) )
N1 ! N 2 !
lnQ ( N1 ,N 2 ,T=