A NOVEL METHOD OF BIOLOGICAL START-UP IN ARAK ACTIVATED SLUDGE WASTEWATER TREATMENT PLANT

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KHALILI A.R.; MOHEBI M.R.; MOHEBI M.; ASHOORI F.

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Paper Information

Journal: WATER AND WASTEWATER Year:2014 | Volume:25 | Issue:6 (94) Page(s): 100-105

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Title

A NOVEL METHOD OF BIOLOGICAL START-UP IN ARAK ACTIVATED SLUDGE WASTEWATER TREATMENT PLANT

Author(s)

KHALILI A.R. | MOHEBI M.R" target="_blank"> MOHEBI M.R. | MOHEBI M. | ASHOORI F. | Issue Writer Certificate

Keywords

STARTUPQ2

BIOMASSQ2

SLUDGEQ2

MICROORGANISMQ2

MLSSQ2

Abstract

STARTUP is one of the most important stages in the operation of a wastewater treatment plant (WWTP). In this paper, a novel method is presented for the STARTUP of Arak Activated SLUDGE WWTP, which is shown to contain more advantages than other common methods. In this method, a portion of the inflow is initially allowed to enter gradually into an aeration basin prior to seeding. Under these conditions, less seeding is required due to the low flow of the influent and the low volume of the aeration basin. Once MLSS in the basin reaches the desired level, the rest of the system comes into operation and the SLUDGE developed in the system is used for further seeding. In the case of the WWPT in Arak, it took about 2 months for the total MLSS to be developed and wasting the SLUDGE to start because of the cold weather conditions in the region. The wasted SLUDGE was controlled by the F/M ratio at a constant SLUDGE age. During the start-up, the MLSS increase exhibited a linear trend and the low loading allowed for the variation in influent contaminants to be controlled. The effluent contaminants were below the standard levels recommended by the Environment Protection Organization. BOD5 and COD removals increased from 40% and 60% to 90% and TSS removal increased from 70% to 96%. Lower loading levels, better process control, and lower SLUDGE processing costs are the benefits of this system.

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APA: Copy

KHALILI, A.R., MOHEBI, M.R., MOHEBI, M., & ASHOORI, F.. (2014). A NOVEL METHOD OF BIOLOGICAL START-UP IN ARAK ACTIVATED SLUDGE WASTEWATER TREATMENT PLANT. WATER AND WASTEWATER, 25(6 (94)), 100-105. SID. https://sid.ir/paper/103720/en

Vancouver: Copy

KHALILI A.R., MOHEBI M.R., MOHEBI M., ASHOORI F.. A NOVEL METHOD OF BIOLOGICAL START-UP IN ARAK ACTIVATED SLUDGE WASTEWATER TREATMENT PLANT. WATER AND WASTEWATER[Internet]. 2014;25(6 (94)):100-105. Available from: https://sid.ir/paper/103720/en

IEEE: Copy

A.R. KHALILI, M.R. MOHEBI, M. MOHEBI, and F. ASHOORI, “A NOVEL METHOD OF BIOLOGICAL START-UP IN ARAK ACTIVATED SLUDGE WASTEWATER TREATMENT PLANT,” WATER AND WASTEWATER, vol. 25, no. 6 (94), pp. 100–105, 2014, [Online]. Available: https://sid.ir/paper/103720/en

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