Performance of Iron Nanoparticles in Removing BOD from Wastewater

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HASSANI AMIR HESAM; TORABIAN ALI; KHEZRI MOSTAFA; Mohammadiniya Maryam; Sarhadi reza

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Journal: WATER AND WASTEWATER Year:2017 | Volume:28 | Issue:2 (108) Page(s): 22-28

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Title

Performance of Iron Nanoparticles in Removing BOD from Wastewater

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Keywords

Ziro Valent Iron NanoparticlesQ1

BODQ3

WastewaterQ2

Abstract

Nanotechnology has nowadays found applications in a wide variety of fields including industrial effluent treatment. In this study, iron nanoparticles were synthesized via Ferric choloride reduction using sodium burohydrate to investigate the effects of retention time, nanoparticle concentration, BOD concentration, and pH on the efficiency of BOD removal from Wastewater. To determine the optimum contact time, known quantities of the nanoparticles thus prepared were added to Wastewater samples of two different concentrations with known values of BOD5 over peirods ranging from 15 to 180 minutes. In a second stage of the study, varying amounts of iron nanoparticles were added in two steps to Wastewater samples with a fixed BOD5 concentration and allowed to remain over the optimum contact time to determine the BOD removal efficiency. Subsequently, fixed amounts of iron nanoparticles were added to Wastewater samples with varying BOD levels and the BOD removal efficiency was determined. Finally, varying amounts of iron nanoparticles were added to Wastewater samples with varing BOD levels over the optimum retention time to investigate the effects of pH variations in each stage on BOD removal efficiency and to determine the optimum pH level. Results indicated an optimum contact time of 45 minutes, an optimum iron nanoparticle content of 3 g for samples with BOD5 concentrations of 35 and 116 mg/l, and an optimum nanoparticle quantity of 5 g for samples with a BOD5 of 289 mg/l. The optimum BOD5 concentration was found to be 289 mg/l and the optimum pH was determined to be 3. At the optimum contact time and at high pollution loads, an acidid pH yields the highest contaminant removal with increasing nanoparticle additions.

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References

SYNTHESIS OF ZERO VALENT IRON NANOPARTICLES (NZVI) AND ITS EFFICIENCY IN ARSENIC REMOVAL FROM AQUEOUS SOLUTIONS

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APA: Copy

HASSANI, AMIR HESAM, TORABIAN, ALI, KHEZRI, MOSTAFA, Mohammadiniya, Maryam, & Sarhadi, reza. (2017). Performance of Iron Nanoparticles in Removing BOD from Wastewater. WATER AND WASTEWATER, 28(2 (108) ), 22-28. SID. https://sid.ir/paper/367081/en

Vancouver: Copy

HASSANI AMIR HESAM, TORABIAN ALI, KHEZRI MOSTAFA, Mohammadiniya Maryam, Sarhadi reza. Performance of Iron Nanoparticles in Removing BOD from Wastewater. WATER AND WASTEWATER[Internet]. 2017;28(2 (108) ):22-28. Available from: https://sid.ir/paper/367081/en

IEEE: Copy

AMIR HESAM HASSANI, ALI TORABIAN, MOSTAFA KHEZRI, Maryam Mohammadiniya, and reza Sarhadi, “Performance of Iron Nanoparticles in Removing BOD from Wastewater,” WATER AND WASTEWATER, vol. 28, no. 2 (108) , pp. 22–28, 2017, [Online]. Available: https://sid.ir/paper/367081/en

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