title

نوسانات مواد آلی، جامدات، کیست پروتوزآها، و تخم انگل در واحدهای مختلف برکه تثبیت

شرفی, کیومرث and پیرصاحب, مقداد and خسروی, طوبی and درگاهی, عبداله and مرادی, مسعود and سوادپور, محمدتقی (1394) نوسانات مواد آلی، جامدات، کیست پروتوزآها، و تخم انگل در واحدهای مختلف برکه تثبیت. Desalination and Water Treatment ــ 57 (11). pp. 4913-4919. شاپا 3994-1944

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Title

Fluctuation of organic substances, solids, protozoan cysts, and parasite egg at different units of a wastewater integrated stabilization pond (full scale treatment plant): a case study, Iran

English Abstract

Appropriate treatment of wastewater and achieving desired standards are among the important objectives in wastewater treatment. The amount of organic compounds (BOD & COD), suspended solids, protozoa cysts, and parasites are different in each of these units, due to different conditions of treatment and design parameters on the stabilization pond units. The aim of this study was to determine changes of the mentioned parameters in a series of stabilization pond units in a real scale. This descriptive–analytical study was conducted on 64 samples collected in both warm and cold periods. Measurement of the parameters and parasitic analysis were done based on water and wastewater standard and Bailenger methods, respectively. Results showed no significant difference in the mean of total efficiency removal of any parameters between every two ponds with each other. Further, there was significant difference in the efficiency removal of all parameters in three ponds (anaerobic, primary, and secondary facultative), except soluble COD removal of warm season between anaerobic and primary facultative ponds, TDS of warm season between primary and secondary facultative ponds, and TDS of cold season between anaerobic and primary facultative ponds) p < 0.05). Also, changes of the trend for all the measured parameters of the system were decreasing, and efficiency removal of protozoan cysts and parasites was 100%. According to the results, it can be said that the anaerobic pond had a greater role than the facultative ponds in terms of reducing organic and parasitic parameters; but, to reach the effluent standards, a facultative pond was needed after the anaerobic pond.

Item Type:Article
زبان سند : انگلیسی
نویسنده اول :کیومرث شرفی
نویسنده :مقداد پیرصاحب
نویسنده :طوبی خسروی
نویسنده :عبداله درگاهی
نویسنده مسئول :مسعود مرادی
نویسنده :محمدتقی سوادپور
Additional Information:Impact Factor (2014) 1.173 Indexed in: ISI, Scopus, CSA , Algology Mycology and Protozoology Abstracts, Bacteriology Abstracts, Biotechnology & Bioengineering Abstracts, Water Resources Abstracts, Environment Index
Uncontrolled Keywords:Integrated stabilization ponds; Organic materials; Solids; Parasite eggs; Protozoan cysts
کلیدواژه ها (انگلیسی):Integrated stabilization ponds; Organic materials; Solids; Parasite eggs; Protozoan cysts
Subjects:WA Public Health > WA 30 Social, Economic, and Environmental factor in public health
WA Public Health > WA 30 Social, Economic, and Environmental factor in public health

WA Public Health
WA Public Health
Divisions:Faculty of Health > Department of Environmental health
ID Code:7401
Deposited By: دکتر عبداله درگاهی
Deposited On:15 Nov 1394 09:17
Last Modified:15 Nov 1394 09:17

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