<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Li, Zhuojun</style></author><author><style face="normal" font="default" size="100%">Kim, Jong Kyu</style></author><author><style face="normal" font="default" size="100%">Chaudhari, Vrushali</style></author><author><style face="normal" font="default" size="100%">Mayadevi, Suseeladevi</style></author><author><style face="normal" font="default" size="100%">Campos, Luiza C.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Degradation of metaldehyde in water by nanoparticle catalysts and powdered activated carbon</style></title><secondary-title><style face="normal" font="default" size="100%">Environmental Science and Pollution Research</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2017</style></year><pub-dates><date><style  face="normal" font="default" size="100%">JUL</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">24</style></volume><pages><style face="normal" font="default" size="100%">17861-17873</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Metaldehyde, an organic pesticide widely used in the UK, has been detected in drinking water in the UK with a low concentration (&lt; 1 mu g L-1) which is still above the European and UK standard requirements. This paper investigates the efficiency of four materials: powdered activated carbon (PAC) and carbon-doped titanium dioxide nanocatalyst with different concentrations of carbon (C-1.5, C-40, and C-80) for metaldehyde removal from aqueous solutions by adsorption and oxidation via photocatalysis. PAC was found to be the most effective material which showed almost over 90% removal. Adsorption data were well fitted to the Langmuir isotherm model, giving a q (m) (maximum/saturation adsorption capacity) value of 32.258 mg g(-1) and a K-L (Langmuir constant) value of 2.013 L mg(-1). In terms of kinetic study, adsorption of metaldehyde by PAC fitted well with a pseudo-second-order equation, giving the adsorption rate constant k(2) value of 0.023 g mg(-1) min(-1), implying rapid adsorption. The nanocatalysts were much less effective in oxidising metaldehyde than PAC with the same metaldehyde concentration and 0.2 g L-1 loading concentration of materials under UV light; the maximum removal achieved by carbon-doped titanium dioxide (C-1.5) nanocatalyst was around 15% for a 7.5 ppm metaldehyde solution.</style></abstract><issue><style face="normal" font="default" size="100%">21</style></issue><work-type><style face="normal" font="default" size="100%">Article</style></work-type><custom3><style face="normal" font="default" size="100%">Foreign</style></custom3><custom4><style face="normal" font="default" size="100%">2.76</style></custom4></record></records></xml>