EFFECT OF STEP GEOMETRY AND WATER QUALITY ON EFFICIENCY OF CASCADE AERATION

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RATHINAKUMAR V.; DHINAKARAN G.; SURIBABU C.R.

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Paper Information

Journal: SCIENTIA IRANICA Year:2016 | Volume:23 | Issue:3 (TRANSACTIONS A: CIVIL ENGINEERING) Page(s): 918-925

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Information Journal Paper

Title

EFFECT OF STEP GEOMETRY AND WATER QUALITY ON EFFICIENCY OF CASCADE AERATION

Author(s)

RATHINAKUMAR V. | DHINAKARAN G. | SURIBABU C.R. | Issue Writer Certificate

Keywords

AERATION

EFFICIENCY

STEP GEOMETRY

DISSOLVED OXYGEN

CASCADE

Abstract

In this paper, the effect of step geometry with five different tread values from 0.40 m to 0.60 m with an increment of 0.05 m and three different types of water namely potable, non-potable and recycled water on aeration efficiency of stepped cascade aeration was studied. Detailed experimental investigations were carried out for different hydraulic loading rates of 0.005 m2/s to 0.035 m2/s. All the experiments were conducted for nappe flow condition. Results revealed that overall aeration efficiency at standard conditions (E20) approaches maximum for t/h = 4, number of steps = 12, hydraulic loading rate = 0.02 to 0.025 m2/s for potable and non-potable water. In the case of recycled water maximum efficiency was achieved for t/h = 3.67. Results also revealed that stepped cascade aeration was found to be a very suitable option for enhancing DO content in treatment of waste water before discharging it to water bodies to save aquatic life.

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APA: Copy

RATHINAKUMAR, V., DHINAKARAN, G., & SURIBABU, C.R.. (2016). EFFECT OF STEP GEOMETRY AND WATER QUALITY ON EFFICIENCY OF CASCADE AERATION. SCIENTIA IRANICA, 23(3 (TRANSACTIONS A: CIVIL ENGINEERING)), 918-925. SID. https://sid.ir/paper/290435/en

Vancouver: Copy

RATHINAKUMAR V., DHINAKARAN G., SURIBABU C.R.. EFFECT OF STEP GEOMETRY AND WATER QUALITY ON EFFICIENCY OF CASCADE AERATION. SCIENTIA IRANICA[Internet]. 2016;23(3 (TRANSACTIONS A: CIVIL ENGINEERING)):918-925. Available from: https://sid.ir/paper/290435/en

IEEE: Copy

V. RATHINAKUMAR, G. DHINAKARAN, and C.R. SURIBABU, “EFFECT OF STEP GEOMETRY AND WATER QUALITY ON EFFICIENCY OF CASCADE AERATION,” SCIENTIA IRANICA, vol. 23, no. 3 (TRANSACTIONS A: CIVIL ENGINEERING), pp. 918–925, 2016, [Online]. Available: https://sid.ir/paper/290435/en

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