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3

Catalyst Line


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#1 ali99

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Posted 11 July 2022 - 08:00 AM

Gents, 

        We are working at 1 HEXENE plant , the catalyst ( chrome with aluminum alkyl ) 0.5" line get plug due to not good flushing with ethyl benzene ( solvent ) we tried with pneumatic pump with 250 KG ethyl benzene  , still the line plug.

 

 

Any advised will be appreciated.



#2 latexman

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Posted 11 July 2022 - 03:27 PM

Details please. A pic or iso of line?

#3 breizh

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Posted 11 July 2022 - 07:12 PM

Hi,

If not too long you may have to rebuild the line !

Note : be extremely careful with the materials stuck in the pipe if you decide to dismantle the line  (PPE , Hot work,...)

 

my 2 cents

Breizh 



#4 breizh

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Posted 12 July 2022 - 12:21 AM   Best Answer

Hi,

To add to my previous reply , I will encourage you to read this document.

Breizh 



#5 ali99

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Posted 12 July 2022 - 02:29 AM

Thank you all for your advice , the Catalyst inside the line in pyrophoric (aluminum alkyl ) which is ignite with atmosphere.  



#6 ali99

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Posted 13 July 2022 - 08:48 AM

Gents, 

is there any JSA for cutting plug line with pyrophoric material ((aluminum alkyl ) which is ignite with atmosphere.  

 
Thanks. 


#7 breizh

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Posted 13 July 2022 - 06:27 PM

Hi,

Don't expect much from members , this could be an operation leading to fatalities. You should refer to MSDS and take contact with manufacturer of this substance to get advices . Make sure your management team is fully aware about the risks associated with the materials .

Breizh 



#8 horatorres

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Posted 13 July 2022 - 08:23 PM

Be aware what you will do.

 

Ones we have a pirofocic catalyts plug into a line.. We decided insolated this line, Blind it.

 

We installed a new catalyst line to the reactor.






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