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Fabrication of Ag-doped ZnO by mechanochemical combustion method and their application into photocatalytic Famotidine degradation
Published in Journal of Environmental Science and Health, Part A, 2019
Md. Ashraful Islam Molla, Mai Furukawa, Ikki Tateishi, Hideyuki Katsumata, Satoshi Kaneco
The target molecule Famotidine (FMT, Fig. 1) for degradation is a histamine H2-receptor antagonist, which may induce altered mental status in older adults and cause chronic kidney disease.[9] It is reported that average concentrations of FMT include 25 ng/L in drug production facilities and 94 ng/L in hospitals wastewater discharges.[10] Due to the presence of amine, thiazole and thioether groups in FMT structure, it displays excellent complexing properties.[11] FMT slowly hydrolyzes in aqueous solutions (pKa = 6.7) and can be considered as a persistent contaminant.[12] Hence, it is very important to develop the treatment technology for FMT urgently to complete removal from wastewaters, preventing its hazardous accumulation in the future.