Heavy metals removal
Variable process solutions to remove selectively the heavy metals from the phosphoric acid
Making sure that heavy metals don’t find their way into our food is essential to preserve human health and the environment while answering the most stringent regulations.
This is why Prayon has designed state-of-the art technology processes to remove heavy metals in phosphates used in fertilizers and food applications.
Heavy metals removal
Resolutely focused on the future, Prayon studied a way of removing cadmium from the acid without the use of any additives.
With a limited number of modifications to your phosphoric acid plant, we can decrease the Cadmium level down to 1 ppm in the concentrated acid enabling to go significantly below the current EU Regulation of 60 mg/kg of P2O5 – that is expected to be revised to 20 mg/kg in the future – for organo-mineral fertilizers.
Heavy metals removal
Regarding Arsenic, Prayon has already a proven technology installed in several factories in the fertilizer market to remove it from the acid.
For any other heavy metal to be treated, we invite you to contact us as well to get the full benefit of our comprehensive knowledge and pilot test facilities.