Prior research has developed a pressure stable polymer resin for ion selective wastewater remediation. Treatment facilities have transmitted to primarily membrane filtration over resin beds, limiting the application of the polymer resin. To develop a membrane, the polymer was adhered to a support scaffold. This allowed for flexibility of the membrane, while still retaining desired thickness and ion capacity of the polymer. Trials of non-imprinted membranes have demonstrated above 95% zinc retention through gravity filtration, and imprinted membranes have retained 95% of zinc through multiple regeneration cycles. Competitive ion trials have demonstrated the effectiveness of imprinted sites on the polymer for selectivity of only the desired ion removal from wastewater while leaving undesired ions. Following this, pressure stability tests were performed to simulate wastewater treatment facilities environments to confirm the membrane will withstand 60psi pressure while retaining imprinted pore sites.

Removal of zinc ions from wastewater utilizing a supported imprinted polymer membrane

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