Chemical Engineering - Chemical Reaction Engineering - Discussion

Discussion Forum : Chemical Reaction Engineering - Section 2 (Q.No. 1)
1.
When the density of the reaction mixture is constant in a chemical reaction, the ratio of the mean residence time to space time is
> 1
< 1
1
0
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Saurabh yadav said:   7 years ago
It is an ideal case, as per the levenspiel popcorn example when there is a uniform distribution of material in reactor then the mean residence time remain constant because.

1) there is a constant rate of input as well as output.

2) a fixed amount of accumulation. i.e. no dead zone, bypassing, channelling etc.

On the other hand, space time is the time required to treat a reactor volume completely,
So space time == mean residence time.
(1)

RAJ KISHOR said:   8 years ago
Please tell me the reason behind this?

Gemechu Bekeshe said:   1 year ago
Very well said, Thanks @Saurabh Yadav.

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