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   <ow:Publication rdf:about="oai:digibug.ugr.es:10481/52554">
      <dc:title>The influence of pH on manganese removal by magnetic microparticles in solution</dc:title>
      <dc:creator>Funes, Ana Inmaculada</dc:creator>
      <dc:creator>Vicente Álvarez De Manzaneda, María Inmaculada De</dc:creator>
      <dc:creator>Vicente Álvarez-Manzaneda, Juan De</dc:creator>
      <dc:creator>Cruz Pizarro, Luis José</dc:creator>
      <dc:subject>Manganese removal</dc:subject>
      <dc:subject>Magnetic particles</dc:subject>
      <dc:subject>Water quality</dc:subject>
      <dc:subject>Magnetic separation gradient</dc:subject>
      <dc:description>An extensive experimental work is reported that aims to assess the efficiency in manganese&#xd;
(Mn) removal from aqueous solution by carbonyl iron microparticles using magnetic&#xd;
separation techniques. A set of batch experiments are performed to explore the effect of&#xd;
pH, adsorbent concentration, surface coating and contact time for achieving the highest&#xd;
Mn removal efficiency. Mn removal efficiency is extremely high (>98%) for pH values larger&#xd;
than 9 as a result of the chemisorption of Mn oxides onto magnetic microparticles. In&#xd;
contrast, Mn removal efficiency for pH &lt; 9 was significantly reduced as Mn remains as a&#xd;
soluble cation. In this manuscript we demonstrate that the efficiency clearly increases&#xd;
when increasing the adsorbent concentration and when using MnOx(s) coated magnetic&#xd;
particles instead of bare particles. Desorption rates from Mn-loaded magnetic particles at&#xd;
different pHs were always lower than 15%. Furthermore, Mn removal efficiency remained&#xd;
at a very high value (>95%) when reused particles were employed in the adsorption&#xd;
process.</dc:description>
      <dc:date>2018-07-30T08:41:29Z</dc:date>
      <dc:date>2018-07-30T08:41:29Z</dc:date>
      <dc:date>2014</dc:date>
      <dc:type>info:eu-repo/semantics/article</dc:type>
      <dc:identifier>Water Research 53:110-122</dc:identifier>
      <dc:identifier>http://hdl.handle.net/10481/52554</dc:identifier>
      <dc:language>eng</dc:language>
      <dc:rights>http://creativecommons.org/licenses/by-nc-nd/3.0/es/</dc:rights>
      <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
      <dc:rights>Atribución-NoComercial-SinDerivadas 3.0 España</dc:rights>
   </ow:Publication>
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