HEAVY METAL CONTAMINATION IN THE EFFLUENT AND SLUDGES OF WASTEWATER TREATMENT PLANT IN GORGAN, IRAN

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DADBAN SHAHAMAT YOUSEF; SANGBARI NASRIN; ZAFARZADEH ALI; BEIRAMI SOMAYEH

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Journal Paper

Paper Information

Journal: JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES Year:2017 | Volume:27 | Issue:150 Page(s): 158-169

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Title

HEAVY METAL CONTAMINATION IN THE EFFLUENT AND SLUDGES OF WASTEWATER TREATMENT PLANT IN GORGAN, IRAN

Author(s)

DADBAN SHAHAMAT YOUSEF | SANGBARI NASRIN | ZAFARZADEH ALI | BEIRAMI SOMAYEH | Issue Writer Certificate

Keywords

HEAVY METALSQ2

WASTEWATERQ2

SLUDGEQ1

GORGANQ3

Abstract

Background and purpose: Environmental pollution by HEAVY METALS and their transfer to soil and crops are a growing global problem. This study aimed to measure the concentrations of HEAVY METALS in WASTEWATER and SLUDGE WASTEWATER treatment plant in GORGAN, Iran. Materials and methods: In this cross-sectional study, 176 samples of effluent, and returned and dried SLUDGEs were analyzed in WASTEWATER treatment plant in GORGAN, during six months in 2016. The concentration of Pb, Cd, Ni, and Cr were determined using polarography (Metrohm797 AV) and furnace atomic adsorption spectroscopy (AA 240 Varian Co.) in the laboratory of Health Faculty in Golestan University of Medical Sciences.Results: The average concentrations of Pb, Cd, Ni, and Cr in the effluent were 0.105±0.06, 0.0089±0.008, 0.095±0.108, and 0.102±0.175 mg /L, respectively. The concentrations of Pb, Cd, Ni, and Cr in returned SLUDGE were 323.48±217.65, 2.44±3.3, 354.14±322.79, and 388.53±252.59 mg /kg of dry weight, respectively. Also, in dried SLUDGE, the average concentrations of lead, cadmium, nickel, and chromium were 58.48±2.67, N.D, 30.31±1.98, and 506.25±813.81 mg/kg of dry weight, respectively.Conclusion: The concentrations of HEAVY METALS in WASTEWATER effluent and dried SLUDGE, except in returned SLUDGE, were below the standards. Due to long-term use of effluents, necessity of treatment of other parameters, and the effect of bioaccumulation of metals in SLUDGE, caution should be taken for their agricultural application. Also, because of importance of this type of contaminants in soil and food products, continuous monitoring by water companies is highly necessary.

Cites

Heavy Metal Concentrations in Dewatered Sludge of Wastewater Treatment Plant in Sari, Iran

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APA: Copy

DADBAN SHAHAMAT, YOUSEF, SANGBARI, NASRIN, ZAFARZADEH, ALI, & BEIRAMI, SOMAYEH. (2017). HEAVY METAL CONTAMINATION IN THE EFFLUENT AND SLUDGES OF WASTEWATER TREATMENT PLANT IN GORGAN, IRAN. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, 27(150), 158-169. SID. https://sid.ir/paper/45950/en

Vancouver: Copy

DADBAN SHAHAMAT YOUSEF, SANGBARI NASRIN, ZAFARZADEH ALI, BEIRAMI SOMAYEH. HEAVY METAL CONTAMINATION IN THE EFFLUENT AND SLUDGES OF WASTEWATER TREATMENT PLANT IN GORGAN, IRAN. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2017;27(150):158-169. Available from: https://sid.ir/paper/45950/en

IEEE: Copy

YOUSEF DADBAN SHAHAMAT, NASRIN SANGBARI, ALI ZAFARZADEH, and SOMAYEH BEIRAMI, “HEAVY METAL CONTAMINATION IN THE EFFLUENT AND SLUDGES OF WASTEWATER TREATMENT PLANT IN GORGAN, IRAN,” JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, vol. 27, no. 150, pp. 158–169, 2017, [Online]. Available: https://sid.ir/paper/45950/en

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