OXIDATION DITCH PROCESS USING CURVED BLADE ROTOR AS AERATOR

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THAKRE S.B.; BHUYAR L.B.; DESHMUKH S.J.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST) Year:2009 | Volume:6 | Issue:1 (21) Page(s): 113-122

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Information Journal Paper

Title

OXIDATION DITCH PROCESS USING CURVED BLADE ROTOR AS AERATOR

Author(s)

THAKRE S.B. | BHUYAR L.B. | DESHMUKH S.J. | Issue Writer Certificate

Keywords

DISSOLVED OXYGEN

CONFIGURATIONS

OVERALL OXYGEN TRANSFER COEFFICIENT

POWER

AERATION EFFICIENCY

Abstract

Oxidation ditch process is used to treat the municipal and domestic sewage. The untreated sewage generates fouling smell, harmful bacteria, etc. which is hazardous for public health and degrades the environment by librating noxious gases. This paper examines the use of curved blade aerator for oxidation ditch process. The rotor, which controls the aeration, is the main component of the aeration process. Therefore, the objective of this study is to find out the variations in OVERALL OXYGEN TRANSFER COEFFICIENT and AERATION EFFICIENCY for different CONFIGURATIONS of aerators by varying the parameters like speed of aerator, depth of immersion and blade tip angles so as to yield higher values of OVERALL OXYGEN TRANSFER COEFFICIENT and AERATION EFFICIENCY. Four aerators of different configuration were developed and fabricated in the laboratory and were tested for above mentioned parameters. A mathematical model is developed for predicting the values of kLa and AERATION EFFICIENCY which has R2 values of 0.97 and 0.99 for experimentally determined and calculated values. In laboratory studies, the optimum value of OVERALL OXYGEN TRANSFER COEFFICIENT and AERATION EFFICIENCY were observed to be 10.33/h and 2.269 kg O2/kWh for aerator speed of 48 rpm, 5.5 cm depth of immersion and 47o blade tip angle for curved blade aerator.

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APA: Copy

THAKRE, S.B., BHUYAR, L.B., & DESHMUKH, S.J.. (2009). OXIDATION DITCH PROCESS USING CURVED BLADE ROTOR AS AERATOR. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), 6(1 (21)), 113-122. SID. https://sid.ir/paper/285142/en

Vancouver: Copy

THAKRE S.B., BHUYAR L.B., DESHMUKH S.J.. OXIDATION DITCH PROCESS USING CURVED BLADE ROTOR AS AERATOR. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST)[Internet]. 2009;6(1 (21)):113-122. Available from: https://sid.ir/paper/285142/en

IEEE: Copy

S.B. THAKRE, L.B. BHUYAR, and S.J. DESHMUKH, “OXIDATION DITCH PROCESS USING CURVED BLADE ROTOR AS AERATOR,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), vol. 6, no. 1 (21), pp. 113–122, 2009, [Online]. Available: https://sid.ir/paper/285142/en

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