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Iron sulfate as by-product
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Questions concerning iron and steel, steel making, rod rolling, galvanizing, springs, nails, fencing, and patenting go here.
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TOPIC: Iron sulfate as by-product

Iron sulfate as by-product 2 years, 3 months ago #943

Dear All,
does anybody has any experience with crystallization of iron sulfate heptahydrate from spent sulfuric acid liquors? I would like to know how much a crystallization plant could cost, and if the process has any drawback.
Thanks in advance!
Rudolf

Re: Iron sulfate as by-product 2 years, 3 months ago #944

Hi Rudolf,

the company I work for has recently converted to mechanical descaling of all our rod prior to wiredrawing.

We currently have a acid recovery plant for sale. It is about 30 years old, and may require some work, but when it was working we were making good crystals.

Regards

Jack

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