DETERMINING THE COMPOST MATURITY TIME IN BIOSOLIDS OF MUNICIPAL WASTEWATER TREATMENT PLANT

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ALIDADI HOSSEIN; NAJAFPOOR ALI ASGHAR

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Journal: JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES Year:2011 | Volume:21 | Issue:85 Page(s): 85-90

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Title

DETERMINING THE COMPOST MATURITY TIME IN BIOSOLIDS OF MUNICIPAL WASTEWATER TREATMENT PLANT

Author(s)

ALIDADI HOSSEIN | NAJAFPOOR ALI ASGHAR | Issue Writer Certificate

Keywords

MATURITYQ2

STABILITYQ3

COMPOSTQ2

BIOSOLIDSQ1

WASTEWATER TREATMENT PLANTQ2

Abstract

Background and purpose: There is no specific standard on the COMPOST MATURITY time of BIOSOLIDS of WASTEWATER TREATMENT PLANTs in Iran; therefore, the researchers made an attempt to employ different chemical and biological methods to assess the COMPOST MATURITY time.Materials and methods: In this study, the sludge was obtained from the drying beds of South Isfahan WASTEWATER TREATMENT PLANT and was then mixed with sawdust and windrow type of COMPOSTing was performed to stabilize the sludge. The height, width and length of windrow were 1.2, 1.5, and 2.5 m, respectively. The windrow turning was done manually for 7-10 days.Results: The results showed that, C/N ratio after 100 days of COMPOSTing reached 15.1 and the NH4/NO3 ratio decreased with increase in the time of dewatered sludge COMPOST. The content of volatile solids decreased up to 28.8 percent with COMPOSTing time and the number of fecal coliforms reached 898 MPN/gram of total solids.Conclusion: Thus, BIOSOLIDS COMPOST in this study was mature and ready for use as an agricultural substrate after 100 days of COMPOSTing.

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APA: Copy

ALIDADI, HOSSEIN, & NAJAFPOOR, ALI ASGHAR. (2011). DETERMINING THE COMPOST MATURITY TIME IN BIOSOLIDS OF MUNICIPAL WASTEWATER TREATMENT PLANT. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, 21(85), 85-90. SID. https://sid.ir/paper/44876/en

Vancouver: Copy

ALIDADI HOSSEIN, NAJAFPOOR ALI ASGHAR. DETERMINING THE COMPOST MATURITY TIME IN BIOSOLIDS OF MUNICIPAL WASTEWATER TREATMENT PLANT. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2011;21(85):85-90. Available from: https://sid.ir/paper/44876/en

IEEE: Copy

HOSSEIN ALIDADI, and ALI ASGHAR NAJAFPOOR, “DETERMINING THE COMPOST MATURITY TIME IN BIOSOLIDS OF MUNICIPAL WASTEWATER TREATMENT PLANT,” JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, vol. 21, no. 85, pp. 85–90, 2011, [Online]. Available: https://sid.ir/paper/44876/en

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