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

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Aghili Seyed Mostafa; MEHRDADI NASSER; ZAZOULI MOHAMMAD ALI; AMINZADEH BEHNOUSH

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Journal: JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES Year:2019 | Volume:28 | Issue:170 Page(s): 152-159

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Title

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

Author(s)

Aghili Seyed Mostafa | MEHRDADI NASSER | ZAZOULI MOHAMMAD ALI | AMINZADEH BEHNOUSH | Issue Writer Certificate

Keywords

heavy metalsQ2

dewatered sludgeQ1

municipal wastewater treatmentQ3

Abstract

Background and purpose: dewatered sludge of sewage treatment plants can be used in agriculture if required standards are followed. heavy metals are among the chemical pollutants that are hazardous to health. Therefore, the aim of this study was to investigate the amount of heavy metals in dewatered sludge of municipal wastewater treatment plant and compare that with the standards and sludge of other wastewater treatment plants in Iran. Materials and methods: In this experimental study, the sludge samples were taken from the sewage sludge in Sari wastewater treatment plant. Sampling and analysis were done during four seasons with three replicates in 2017. The samples were digested and prepared for extraction of heavy metals using standard method. Heavy metal content including Cd, Pb, Cr, Zn, Cu, and Ni was measured by atomic absorption. Data were analyzed using SPSS V24 applying t-test. Results: The average concentrations of Cd, Pb, Cr, Zn, Cu, and Ni were 0. 3 ± 0. 18, 35. 81 ± 9. 54, 62. 55 ± 14. 72, 950 ± 149. 93, 354 ± 107. 45, and 62. 4 ± 18. 47 mg/kg dry weight, respectively. Conclusion: In current study the concentrations of heavy metals in dewatered sludge were below the maximum permissible standard of 10716 Iran for compost and other standards. So, dewatered sludge of Sari wastewater treatment plant can be used in agriculture while following all parameters and composting operations.

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APA: Copy

Aghili, Seyed Mostafa, MEHRDADI, NASSER, ZAZOULI, MOHAMMAD ALI, & AMINZADEH, BEHNOUSH. (2019). Heavy Metal Concentrations in Dewatered Sludge of Wastewater Treatment Plant in Sari, Iran. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, 28(170 ), 152-159. SID. https://sid.ir/paper/45443/en

Vancouver: Copy

Aghili Seyed Mostafa, MEHRDADI NASSER, ZAZOULI MOHAMMAD ALI, AMINZADEH BEHNOUSH. Heavy Metal Concentrations in Dewatered Sludge of Wastewater Treatment Plant in Sari, Iran. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2019;28(170 ):152-159. Available from: https://sid.ir/paper/45443/en

IEEE: Copy

Seyed Mostafa Aghili, NASSER MEHRDADI, MOHAMMAD ALI ZAZOULI, and BEHNOUSH AMINZADEH, “Heavy Metal Concentrations in Dewatered Sludge of Wastewater Treatment Plant in Sari, Iran,” JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, vol. 28, no. 170 , pp. 152–159, 2019, [Online]. Available: https://sid.ir/paper/45443/en

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