Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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Spent citric acid Disposal
We have a problem of disposing the Spent citric acid after chemical cleaning of the Carbon steel reactor Jacket . We have a waste water but the Spent Solution COD is 30800 ppm . How to handle the Situation , Possible option with us is the Dilution by large amount of water .
Haiyat Umar- Karachi, Sindh, Pakistan
2004
Think about letting the solution evaporate to a dry waste and dispose of accordingly. Simple air movement can evaporate a lot of water from an acidic solution and will leave you with a lot less volume in waste, and the bonus of no longer having a waste "water" to deal with.
Jeff Swayze- Kelowna, B.C., Canada
2004
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