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Dry Ice Blasting for CIP of equipment


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regina.huffman

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Posted 19 August 2016 - 02:48 PM

I was wondering does anyone use dry ice blasting for CIP of equipment?  We are looking about switching over to this method of cleaning. If this kind of cleaning is used, what about a sanitizing step as I have read the method is effective for killing certain types of organisms, but what about spore formers and molds?  



ebb30

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Posted 22 August 2016 - 05:38 PM

Dry ice blasting kills on contact and removes everything from the surface of an object, disinfecting. It removes debris, biofilm, bacteria (including spres), mold, everything. I would probably still use a non-rinse sanitizer in case any areas get accidentally missed; the area has to be directly hit with the dry ice pellets in order to be disinfected. We don't currently use this mode of cleaning, but we had a demonstration at our factory and I am really trying to push for it. It is great at cleaning hard to reach areas! Here is a helpful link: http://www.pacificdr...ng-blasting.php  Hope this helps!



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regina.huffman

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Posted 22 August 2016 - 05:54 PM

Thanks for the reply.  I did download a white paper article on the effectiveness of this process, and some of the surfaces only had a 10e2 log kill on some surfaces after being dosed with a 10e6 suspension of bacteria. I thought it would a great idea to follow up with a sanitizer.  I appreciate the link.



ebb30

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Posted 22 August 2016 - 07:35 PM

Could you please post a link to that paper? And what type of surface is it? For our factory, we were assured that anything that is directly hit will be disinfected. 



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regina.huffman

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Posted 22 August 2016 - 09:11 PM

Sure, the link is http://www.coldjet.com.  I entered the report title "Agency Report - FSA Report B02006 - A novel technique for cleaning & decontaminating food processing areas, equipment" in the search function.  You have to register to download the paper, but they don't swamp you with a lot of sales pitches. 

 

 

 

 

 

 

 



Charles.C

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Posted 22 August 2016 - 11:32 PM

Hi Regina,

 

The general idea seems to go back a way, eg

http://www.science.g...g industry.html

(US/1995)

more directly food-related -

http://tna.europarch...b13list/b02006/

(FSA/UK/2000)

diblasting

(FSA/UK/2004+)

 

more recently

http://www.bakeryand...clean-equipment

(2014)

https://www.linkedin...ceNoSplash=true

(2015)

http://www.coldjet.c...nd-beverage.php

(current)

 

a few claimed pros/cons

https://www.gov.mb.c...t-cleaning.html


Kind Regards,

 

Charles.C





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