The Study of Organic Removal Efficiency and Membrane Fouling in a Submerged Membrane Bioreactor Treating Vegetable Oil Wastewater

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ABDOLLAHZADEH SHARGHI E.; Shorgashti A.; BONAKDARPOUR B.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ENGINEERING Year:2016 | Volume:29 | Issue:12 Page(s): 1642-1649

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Title

The Study of Organic Removal Efficiency and Membrane Fouling in a Submerged Membrane Bioreactor Treating Vegetable Oil Wastewater

Author(s)

ABDOLLAHZADEH SHARGHI E. | Shorgashti A. | BONAKDARPOUR B. | Issue Writer Certificate

Keywords

Membrane Bioreactor

Vegetable Oil Wastewater

Biological Treatment

Organic Pollutant Removal

Membrane Fouling

Abstract

The characterizations of Vegetable Oil Wastewater (VOW) are unpleasant odor, dark color, and high organic contents, including large amounts of oil and grease (O&G), chemical oxygen demand (COD), fatty acids and lipids. Therefore, VOWs should be treated efficiently to avoid the environmental pollution. The aim of the present study was the investigation of VOW Biological Treatment using Membrane Bioreactor (MBR) in terms of Organic Pollutant Removal performance and Membrane Fouling. During 30 days MBR operation at hydraulic retention time and solid retention time of 48 h and 20 days, respectively, there was a consistently low turbidity (<2 NTU) in the MBR effluent. The COD and O&G removal efficiency from the wastewater using the MBR were 85. 0± 1. 3% and 82. 7± 1. 4%, respectively. With decrease in aerobic metabolic activity and hence the activated sludge growth rate during the MBR operation, the MLSS and MLVSS decreased and led to accumulation of O&G and soluble microbial products (SMP) inside the bioreactor. The effluent COD value and the transmembrane pressure during the MBR operation remained in the range 88. 7± 11. 5 mg L-1 and 1-2 kPa, respectively. The current study shows that the MBR has a very good potential for treatment of VOW, both in terms of removal performance and Membrane Fouling.

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APA: Copy

ABDOLLAHZADEH SHARGHI, E., Shorgashti, A., & BONAKDARPOUR, B.. (2016). The Study of Organic Removal Efficiency and Membrane Fouling in a Submerged Membrane Bioreactor Treating Vegetable Oil Wastewater. INTERNATIONAL JOURNAL OF ENGINEERING, 29(12), 1642-1649. SID. https://sid.ir/paper/724154/en

Vancouver: Copy

ABDOLLAHZADEH SHARGHI E., Shorgashti A., BONAKDARPOUR B.. The Study of Organic Removal Efficiency and Membrane Fouling in a Submerged Membrane Bioreactor Treating Vegetable Oil Wastewater. INTERNATIONAL JOURNAL OF ENGINEERING[Internet]. 2016;29(12):1642-1649. Available from: https://sid.ir/paper/724154/en

IEEE: Copy

E. ABDOLLAHZADEH SHARGHI, A. Shorgashti, and B. BONAKDARPOUR, “The Study of Organic Removal Efficiency and Membrane Fouling in a Submerged Membrane Bioreactor Treating Vegetable Oil Wastewater,” INTERNATIONAL JOURNAL OF ENGINEERING, vol. 29, no. 12, pp. 1642–1649, 2016, [Online]. Available: https://sid.ir/paper/724154/en

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