Combined Adsorption and Ultrafiltration Processes Employed for the Removal of Pollutants from Metal Plating Wastewater

Malamis, S; Katsou, E; Kosanovic, T; Haralambous, KJ

dc.contributor.author	Malamis, S	en
dc.contributor.author	Katsou, E	en
dc.contributor.author	Kosanovic, T	en
dc.contributor.author	Haralambous, KJ	en
dc.date.accessioned	2014-03-01T02:08:23Z
dc.date.available	2014-03-01T02:08:23Z
dc.date.issued	2012	en
dc.identifier.issn	01496395	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/29653
dc.subject	electroplating wastewater	en
dc.subject	fouling	en
dc.subject	heavy metals	en
dc.subject	minerals	en
dc.subject	ultrafiltration	en
dc.subject.other	Adsorption efficiency	en
dc.subject.other	Adsorption process	en
dc.subject.other	Alkaline environment	en
dc.subject.other	Best fit	en
dc.subject.other	Binary metals	en
dc.subject.other	Electroplating wastewater	en
dc.subject.other	Experimental data	en
dc.subject.other	Intra-particle diffusion	en
dc.subject.other	Langmuir models	en
dc.subject.other	Metal removal	en
dc.subject.other	Mineral addition	en
dc.subject.other	Multistage process	en
dc.subject.other	Organics	en
dc.subject.other	Rate-limiting steps	en
dc.subject.other	Removal efficiencies	en
dc.subject.other	Three-parameter models	en
dc.subject.other	Ultrafiltration process	en
dc.subject.other	Zinc concentration	en
dc.subject.other	Adsorption	en
dc.subject.other	Alkalinity	en
dc.subject.other	Clay minerals	en
dc.subject.other	Fouling	en
dc.subject.other	Heavy metals	en
dc.subject.other	Membrane fouling	en
dc.subject.other	Metals	en
dc.subject.other	Minerals	en
dc.subject.other	Nickel	en
dc.subject.other	Plating	en
dc.subject.other	Removal	en
dc.subject.other	Ultrafiltration	en
dc.subject.other	Zinc	en
dc.subject.other	Water filtration	en
dc.title	Combined Adsorption and Ultrafiltration Processes Employed for the Removal of Pollutants from Metal Plating Wastewater	en
heal.type	journalArticle	en
heal.identifier.primary	10.1080/01496395.2011.645983	en
heal.identifier.secondary	http://dx.doi.org/10.1080/01496395.2011.645983	en
heal.publicationDate	2012	en
heal.abstract	This work investigated the use of combined sorption and ultrafiltration (UF) processes for the treatment of electroplating wastewater. The combined vermiculite - UF and bentonite - UF treatment schemes were assessed for their ability to remove nickel, zinc, organic, matter, and color. UF significantly reduced nickel and zinc concentration from wastewater at alkaline environment with removal efficiencies higher than 89% at pH ≥ 8 for both metals. Mineral addition increased metal removal efficiency to higher values (> 97% at pH ≥ 8). The presence of organic compounds and cations in wastewater limited the adsorption efficiency of minerals. Binary metal solutions suppressed the adsorption process for both nickel and zinc. The adsorption of metals on minerals was a multi-stage process where intraparticle diffusion was not the only rate limiting step. Isotherm examination showed that the best fit to the experimental data was obtained by the Langmuir model, and the three parameter models of Redlich-Peterson, Toth, and Sips converged to the Langmuir model. UF combined with minerals resulted in significant removal of organics and color. Furthermore, UF of wastewater resulted in limited membrane fouling. © 2012 Copyright Taylor and Francis Group, LLC.	en
heal.journalName	Separation Science and Technology (Philadelphia)	en
dc.identifier.doi	10.1080/01496395.2011.645983	en
dc.identifier.volume	47	en
dc.identifier.issue	7	en
dc.identifier.spage	983	en
dc.identifier.epage	996	en