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Tank CIPs for the beverage industry

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The Food Scientist

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Posted 31 May 2022 - 06:05 PM

Hello everyone! Havent logged in for a long time, been so busy with working full time and continuing my graduate degree!


Quick question for those working in the beverages industry (if you also make smoothies, pulpy juice).


How is your CIP process looking like? Do you guys perform an extensive manual clean, where someone has to go inside tank and scrub or is it validated to be sufficient to remove all soiled product and reside by following the usual CIP steps? (the 5 or 7 step CIP).


Would like to see what other companies are doing.

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Posted 31 May 2022 - 06:26 PM

Hi, long time no see, eh:) Attaching our CIPing instruction, hope it'd give some idea.

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Posted 31 May 2022 - 06:59 PM

I don't have history in Juice, but I do have a background in broth production. We also processed in large tanks, with agitators inside. We used an automated CIP system, no confined space cleaning was required. We used a 7-step CIP.


CIPs produced a chart printout, where flowrates of chemicals could be observed. Conductivity was measured in (mS) as a way of determining the concentration of cleaning chemicals used. Operators would also draw a sample for titration during the cleaning cycle to verify chemical concentration. After the CIP, the tank would be inspected by QA for cleanliness. We'd do an ATP swab, as well as a pH strip inside the tank just to ensure the moisture inside was left from the final rinse and not leftover cleaning chemical. From my experience, this process was effective enough to clean a tank after pressure cooking thousands of pounds of chicken parts.


The process was validated before my time though, so I don't have much input for that...but you certainly would want to validate its effectiveness. This may entail some more rigorous ATP swabbing, microbial swabbing, or allergen swabbing. And of course, CIPs don't cover the outside of the equipment, so that portion of cleaning has to be manual!

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