Treatment of imidazaldehyde wastewater
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The existing wastewater from imidazaldehyde production has the following water quality parameters: pH of 1.35, COD of 82,570 mg/L, total phosphorus of 17,598 mg/L, and salt content of 318,395 mg/L. Upon processing it, it was found that black tar adhered to the walls of the beaker during alkalinization, iron-carbon microelectrolysis, Fenton oxidation, and ozone treatment. I would like to ask the experts: what are some effective methods for treating this water?
After adding a quantified amount of coagulant and then reducing flocculation, photocatalytic Fenton reaction is carried out, followed by entry into the UASB + contact oxidation process.
Fenton is used first, followed by microelectrolysis after Xu Ning has settled
It’s a post about digging up graves – the salt content in this material is way too high. The UASB process mentioned here definitely won’t work; such waste should be disposed of as hazardous waste. Even if you manage to reduce the COD level, the remaining saline wastewater still needs to go through crystallization processes. If it’s not possible to separate the salts from this water, it remains hazardous waste. Consider the economic aspects before proceeding
Has your wastewater been treated? I’ve encountered the same problem as well; I’d appreciate your advice and discussion!