Copper doped zeolite composite for antimicrobial activity and heavy metal removal from waste water

BMC Chemistry
Feleke Terefe FantaMinaleshewa Atlabachew

Abstract

The existence of heavy metals and coliform bacteria contaminants in aquatic system of Akaki river basin, a sub city of Addis Ababa, Ethiopia has become a public concern as human population increases and land development continues. Hence, it is the right time to design treatment technologies that can handle multiple pollutants. In this study, we prepared a synthetic zeolites and copper doped zeolite composite adsorbents as cost effective and simple approach to simultaneously remove heavy metals and total coliforms from wastewater of Akaki river. The synthesized copper-zeolite X composite was obtained by ion exchange method of copper ions into zeolites frameworks. Iodine test, XRD, FTIR and autosorb IQ automated gas sorption analyzer were used to characterize the adsorbents. The mean concentrations of Cd, Cr, and Pb in untreated sample were 0.795, 0.654 and 0.7025 mg/L respectively. These concentrations decreased to Cd (0.005 mg/L), Cr (0.052 mg/L) and Pb (bellow detection limit, BDL) for sample treated with bare zeolite X while a further decrease in concentration of Cd (0.005 mg/L), Cr (BDL) and Pb (BDL) was observed for the sample treated with copper-zeolite composite. Zeolite X and copper-modified zeolite X showed complete eli...Continue Reading

References

Aug 15, 2001·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Z MilánB Luna
Sep 17, 2013·International Journal of Environmental Research and Public Health·Chang-Ro LeeSang Hee Lee
Apr 24, 2014·Environmental Science and Pollution Research International·Lulu AkhigbeXiang Min Lim
Mar 14, 2017·Bioinorganic Chemistry and Applications·I DeAlba-MonteroM E Compeán Jasso

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Citations

Feb 6, 2021·World Journal of Microbiology & Biotechnology·Laurens MaertensRob Van Houdt
Jan 19, 2021·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Jianming LiuHaohui Cui
Apr 3, 2021·Bioresource Technology·Chatchai RodwihokHan S Kim
Aug 28, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Zakaria TahraouiT Jean Daou

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Methods Mentioned

BETA
membrane filtration
X-ray
atomic absorption spectroscopy

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