High-silica Zeolites as Novel Adsorbents for the Removal of Organic Micro-pollutants in Water Treatment

Doctoral thesis (2019)

Authors

N. Jiang Sanitary Engineering - CEG
Research Group
Sanitary Engineering (CEG) (TU Delft)
Copyright: © 2019 N. Jiang
DOI: https://doi.org/10.4233/uuid:d4e7d2a8-aed1-48c8-98c3-eb61f18dde0b
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Published Date

2019

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Water Management

Research Group

Sanitary Engineering

Abstract

A broad range of organic micropollutants (OMPs), including pesticides, pharmaceuticals and personal care products, are present in drinking water sources and effluent of wastewater treatment plants (Kolpin et al., 2002; Stackelberg et al., 2004). The presence of OMPs in water significantly threatens public health and thus calls for effective treatment technologies (Alan et al., 2008; Pal et al., 2010). Zeolites are highly structured minerals with uniform micropores (pore diameters < 2nm) (McCusker and Baerlocher 2001). The pores of zeolites allow for the adsorption of OMPs and potentially avoid the negative influence of natural organic matter (NOM) (de Ridder et al., 2012; Hung and Lin 2006; Knappe and Campos 2005). High-silica zeolites have hydrophobic surfaces, which could prevent water competition with OMP adsorption (Maesen 2007; Rakic et al., 2010; Tsitsishvili 1973). High-silica zeolites are thus expected to be potential alternative adsorbents for activated carbon in water treatment.