THE EFFECT OF ULTRASONIC WAVES ON DEWATERABILITY OF EXCESS SLUDGE

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GOLBABAEI KOOTENAEI F.; MEHRDADI N.; NABI BIDHENDI G.; AMINI RAD H.

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Journal: JOURNAL OF HEALTH AND HYGIENE Year:2017 | Volume:7 | Issue:5 Page(s): 611-620

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Information Journal Paper

Title

THE EFFECT OF ULTRASONIC WAVES ON DEWATERABILITY OF EXCESS SLUDGE

Author(s)

GOLBABAEI KOOTENAEI F. | MEHRDADI N. | NABI BIDHENDI G. | AMINI RAD H. | Issue Writer Certificate

Keywords

DEWATERABILITYQ2

WASTE SLUDGEQ1

ULTRASONIC WAVESQ2

CAPILLARY SUCTION TIMEQ2

Abstract

Background & Objectives: Sludge treatment and dewatering processes in wastewater treatment plants are one of the most important challenges for professionals and officials. The purpose of this study was to determine the effect of low wavelength and high energy ULTRASONIC WAVES to improve sludge dewatering properties and the optimum operating parameters of the ultrasonic method.Methods: In this research variables include ultrasound density (0.375, 0.75, 1, 1.3 and 2.5w/m), time (1, 5, 10, 15 and 30 min), and amount of sonificated sludge (10, 15, 20, 50 and 100%). In this research effect of the variables on CAPILLARY SUCTION TIME (CST) and sludge dewatering capacity were studied.Results: The experiments determined that the optimum operating parameters as; sonification time=5 minutes, ultrasound density=1 W/ml, and amount of sonificated sludge equal to 15% at frequency of 20 kHz. Under these conditions CST was measured as 86 seconds.Conclusion: Based on the results of this research, ultrasound waves could improve sludge dewatering process and can increase the treatment rate.

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APA: Copy

GOLBABAEI KOOTENAEI, F., MEHRDADI, N., NABI BIDHENDI, G., & AMINI RAD, H.. (2017). THE EFFECT OF ULTRASONIC WAVES ON DEWATERABILITY OF EXCESS SLUDGE. JOURNAL OF HEALTH AND HYGIENE, 7(5), 611-620. SID. https://sid.ir/paper/227058/en

Vancouver: Copy

GOLBABAEI KOOTENAEI F., MEHRDADI N., NABI BIDHENDI G., AMINI RAD H.. THE EFFECT OF ULTRASONIC WAVES ON DEWATERABILITY OF EXCESS SLUDGE. JOURNAL OF HEALTH AND HYGIENE[Internet]. 2017;7(5):611-620. Available from: https://sid.ir/paper/227058/en

IEEE: Copy

F. GOLBABAEI KOOTENAEI, N. MEHRDADI, G. NABI BIDHENDI, and H. AMINI RAD, “THE EFFECT OF ULTRASONIC WAVES ON DEWATERABILITY OF EXCESS SLUDGE,” JOURNAL OF HEALTH AND HYGIENE, vol. 7, no. 5, pp. 611–620, 2017, [Online]. Available: https://sid.ir/paper/227058/en

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