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Wet Scrubber Design For Low Flow Rate Of Gas

wet scrubber absorption nox design calculation

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#1 SIVAMOORTHY

SIVAMOORTHY

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Posted 17 April 2018 - 08:06 AM

Hello everyone,

 

I have to design a wet scrubber for gas flow rate of 16 cubic meter per hour. Gas stream is having 5 % NOx.

 

Normally, we used to design wet scrubber for above 500 CFM. In these, we will keep superficial velocity in the absorption column as constant ( i.e. 200 to 400 fpm). Anyway, I have to check Flooding percent for this.

 

So, for this much low flow rate ( 16 cmh), if i keep 200 fpm of velocity, I am getting absorption column dia of 0.3 ft. It is 75 mm only. 

 

I feel that column dia is very very less.

 

Is it correct by keeping 75 mm of dia.?

 

Is there any rule to keep minimum dia of absorption column?

 

Please discuss about this.

 



#2 breizh

breizh

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Posted 18 April 2018 - 05:14 AM

Hi ,

Consider these resources to support your work.

 

Breizh

Attached Files


Edited by breizh, 18 April 2018 - 12:20 PM.


#3 SIVAMOORTHY

SIVAMOORTHY

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Posted 18 April 2018 - 08:17 AM

Hi ,

Consider this resources to support your work.

 

Breizh

 

 

Thank you sir..






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