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Abstract: A molecularly imprinted polymer (MIP) adsorbent for carcinogenic polycyclic aromatic hydrocarbons (PAHs) was prepared using a non-covalent templating technique. MIP particles sized from 2 to 5áμm were synthesized in acetonitrile by using six PAHs mix as a template, methacrylic acid as the functional monomer, and ethylene glycol dimethacrylate as the cross-linker. When compared with the non-imprinted polymer (NIP), the MIP showed an excellent affinity towards PAHs in aqueous solution with binding capacity (Bmax) of 687áμgág-1MIP, imprinting effect of 6, and a dissociation constant of 24áμM. The MIP exhibited significant binding affinity towards PAHs even in the presence of environmental parameters such as dissolved organic matter (COD) and total dissolved inorganic solids (TDS), suggesting that this material may be appropriate for removal of carcinogenic PAHs. The feasibility of removing PAHs from water by the MIP demonstrated using groundwater spiked with PAHs. In addition, the MIP reusability without any deterioration in performance was demonstrated at least ten repeated cycles
Template and target information: B[a]A, benzo[a]anthracene, B[a]P, Benzo[a]pyrene, B[b]F, Benzo[b]fluoranthene, Chr, Chrysene, D[a]P, dibenzo[a,h]pyrene, I[2]P, indeno[1,2,3-c]pyrene, polyaromatic hydrocarbons, template mixture, PAHs
Author keywords: water treatment, Carcinogens, Molecularly imprinted polymers, adsorption