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Porogen Influence on the Adsorption Performance of Weak Acid Resins for Cu2+ Removal

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Abstract:

Two weak acid resins (WT-1, WT-2) with different pore structures were prepared through suspension polymerization from methyl acrylate (MA) and divinylbenzene (DVB). Cu2+ was employed as the adsorbate and bath experiments were carried out to investigate the adsorption performance of the two resins. The addition of porogen (toluene) enlarged the exchange capacity, specific surface area and average pore diameter of resins, leading to the faster adsorption rate and higher maximum adsorption capacity. The adsorption capacity increased 3.5~28.5% with the rise of porogen/monomer ratio from 0 to 30%. This work shows the porogen influence on the adsorption kinetics and thermodynamics of weak acid resins.

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Periodical:

Advanced Materials Research (Volumes 955-959)

Pages:

116-119

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.955-959.116

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Online since:

June 2014

Authors:

Yang Zhou, Bin Yan, Zeng Yin Zhu*, Zhong Shen, Hai Suo Wu

Keywords:

Adsorption Behavior, Heavy Metal, Porogen, Weak Acid Resin

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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