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Preliminary Sizing Of Molecular Sieve

sizing drying molecular sieve ethylene

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#1 Dizzy

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Posted 30 January 2016 - 10:51 PM

Hi

I am currently doing a design project which involves the production of ethylene. We are required to carry out preliminary sizing on major pieces of equipment.During this process, there is need for a molecular sieve to dehydrate the process stream prior to chilling. However I am unable to find any information regarding how to go about sizing this type of equipment in textbooks and on the internet. I managed to find a text which provides a formula and coefficients to obtain an estimated cost once the bulk volume of the sieve is found. However, I cannot seem to find any information on how to go about obtaining this parameter. I was considering sizing it as a packed bed but column packings are listed in the text as separate cost items among which molecular sieves are not included. 

 

From other posts I have seen that the gpsa databook chapter 20 has information but I have not yet been able to obtain a copy. Thus I would like to know if anyone has a procedure or other information about sizing molecular sieves, preferably referenced as we have to include where we got our information from. Thanks very much in advance.


Edited by Dizzy, 31 January 2016 - 08:02 AM.


#2 Bobby Strain

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Posted 30 January 2016 - 11:56 PM

Try Google with something like this: mol sieve water capacity

 

Bobby



#3 mukundphapale

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Posted 02 February 2016 - 12:02 AM

Dear sir,
please refer this file for molecular sieve sizing.
For better understanding please refer parry's handbook.

Attached Files



#4 avirupm

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Posted 03 February 2016 - 07:08 AM

Please Check GPSA 2012 and later  Chapter -20 Dehydration for Mol Sieve design






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