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Removal and recovery of arsenic from concentrated sulfuric acid by solvent extraction
(Elsevier, 2019-05-13)
Arsenic-contaminated sulfuric acid solutions are produced in large quantities as by-product during pyrometallurgical processing of sulfide minerals. Options for re-using such acid solutions are increased if the arsenic is ...
Environmental sustainability of phosphorus recycling from wastewater, manure and solid wastes
(Elsevier, 2019-04-01)
Phosphorus (P) is an important critical material essential for crops cultivation and animal husbandry. Effective phosphorous recycling is considered one of the most significant factors in alleviating its criticality. ...
End-of-life RO membranes recycling: Reuse as NF membranes by polyelectrolyte layer-by-layer deposition
(Elsevier, 2019-05-06)
Nowadays, end-of-life (EoL) reverse osmosis (RO) membranes are considered as waste, hence they are incinerated or discarded in landfills. Due to the environmental problem of disposed membranes, their reuse as nanofiltration ...