Ideal Reactor Design Equations Formulas Calculator Continuously Stirred Tank CSTR Concentration Step Input

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Solving for Continuously Stirred Tank Reactor Concentration with Step Input

Inputs:

Conversions:

initial concentration (C₀)	=	=	milligram/liter
time (t)	=	=	second
theoretical mean residence time (t_R)	=	=	second

Solution:

concentration at time (C)

HAS NOT BEEN CALCULATED

Other Units:

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Residence Time

	theoretical mean residence time
	reactor volume
	reactor flow rate

Step input for completely mixed or
continuously stirred tank reactor CSTR

	concentration
	initial concentration
	time
	theoretical mean detention time

Pulse Input for completely mixed or
continuously stirred tank reactor CSTR

	concentration
	initial concentration
	time
	theoretical mean detention time
	concentration at n tank in series

Plug Flor Reactor PFR

step input:
when t < t_R, C = 0
when t >= t_R, C = C₀

pulse input:
when t = t_R, C = C₀
when t < t_R, C = 0
when t > t_R, C = 0

Where

t_R	=	theoretical mean residence time
V	=	reactor volume
Q	=	reactor flow rate
C	=	concentration at time
C₀	=	initial concentration
C_n	=	concentration at tank n
t	=	time
n	=	number of tanks

References - Books:

1) Warren Viessman and Mark J. Hammer. 1993. Water Supply and Pollution Control. Harper Collins College Publishers, Inc. 5th ed.

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