Industrial waste acid treatment technology
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What methods are currently used for treating industrial waste acid?
Recycling can be considered, depending mainly on what other substances are present in the waste acid
It’s difficult to deal with waste acid these days; it’s mostly used in water purifiers – it can’t be used for anything else； Some companies have too many acid impurities as by-products
We have carried out projects to remove organic substances and iron from such waste acids; we can exchange ideas on this
Original poster, the waste acid solutions available today can be recovered using special membrane separation techniques, allowing them to be reused after recovery.
Regarding waste salts and acids, it’s not entirely clear; for the treatment of waste sulfuric acid, methods such as membrane technology, concentration methods, resin-based approaches, pyrolysis, and direct use in the production of fertilizers can be employed. The choice of method depends on the source and composition of the waste acid.
Waste salts and acids can also be recovered using membrane technology, and can be reused after recovery； There are already very mature manufacturing processes ；
It depends on the concentration and the amount produced; we carry out direct neutralization, which is quite costly.
I would like to ask whether, after treating waste acid, it is intended to recover the acid for further use, or whether it is sufficient to treat the waste acid so that it meets emission standards? If recycling is desired, are there any requirements regarding the acid concentration? Is it still valuable if the concentration of the recovered acid is low? Thank you!
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The best solution is to use it as an auxiliary chemical in wastewater treatment plants