Removal of heavy metals from waste acid
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I would like to ask the experts if there are any methods for removing heavy metals from waste acid? Are they mainly chromium, cadmium, lead, arsenic, mercury, manganese, etc.? Waiting online for your advice!
Acid-base neutralization, formation of Na2S precipitate.
For the simple treatment of such waste acid water, chemical precipitation is the main method used. There are various types of metal ions present, and these are removed step by step based on the conditions under which each type of metal ion precipitates as a result of chemical reactions.
If the concentration is not high, chelating resins can be used for removal, with good results; if the concentration is high, the low-bed technology can be employed, and part of the acid can also be recovered.
This post was last edited by Tack on 2021-11-19 at 15:11. We are a professional manufacturer specializing in heavy metal removal; feel free to ask us any questions at any time. Our phone number and WeChat ID are the same: 15623952306, Mr. Zhao. We hope to be able to assist you.