EFFICIENCY STUDY FOR INTEGRATED STABILIZATION POND (ISP) IN MUNICIPAL WASTEWATER TREATMENT

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MIRANZADEH M.B.; MAHVI A.H.

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Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2001 | Volume:- | Issue:10 Page(s): 33-41

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Title

EFFICIENCY STUDY FOR INTEGRATED STABILIZATION POND (ISP) IN MUNICIPAL WASTEWATER TREATMENT

Author(s)

MIRANZADEH M.B. | MAHVI A.H. | Issue Writer Certificate

Keywords

DETENTION TIMEQ3

PIT FERMENTATIONQ4

HIGH-RATE PONDQ4

Abstract

Sewage stabilization Ponds are basically a number of earthen basins with retention times from a few days to weeks, depending on environmental conditions. Treatment in these lagoons is a natural process, and with proper design, construction, and operation, effluent quality would be suitable for agricultural irrigation from the chemical and biological aspects. An ISP pilot plant which was constructed to the eastern side of Shoosh Sewage treatment Plant in southern Tehran, and included Fermentation Pit Facultative pond, High rate pond and Maturation pond, was put to test and study during March 1999-2000 (Iranian Year 1378). The system was designed for an average sewage inflow of 4 m3/day and 20 days retention time. The sewage flow into the Fermentation pit was kept as up flow in spring, fall and winter seasons and as down flow in summer. To check the efficiency of the treatment process, COD, BOOS, TSS, total Nitrogen, total Phosphorus and fecal coliforms were tested and compared during the four Seasons of operation.The result of the research shows that in spring the global efficiency of the pilot was about 8% better in than summer, which can be attribute to the up flow in PIT FERMENTATION. In winter, the removal rate of HOD, COD and TSS were on the average 6% more than in summer, which was due to the role of effluent recycling. This research indicates that the facultative pond with internal PIT FERMENTATION has principle role for removal of pollutant (70% removal).Finally, it could be concluded that an ISP system is an efficient process that ensures high treatment of municipal wastewater and reduces DETENTION TIME in the pond system. It is especially recommended for small to medium size communities.

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APA: Copy

MIRANZADEH, M.B., & MAHVI, A.H.. (2001). EFFICIENCY STUDY FOR INTEGRATED STABILIZATION POND (ISP) IN MUNICIPAL WASTEWATER TREATMENT. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, -(10), 33-41. SID. https://sid.ir/paper/87561/en

Vancouver: Copy

MIRANZADEH M.B., MAHVI A.H.. EFFICIENCY STUDY FOR INTEGRATED STABILIZATION POND (ISP) IN MUNICIPAL WASTEWATER TREATMENT. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2001;-(10):33-41. Available from: https://sid.ir/paper/87561/en

IEEE: Copy

M.B. MIRANZADEH, and A.H. MAHVI, “EFFICIENCY STUDY FOR INTEGRATED STABILIZATION POND (ISP) IN MUNICIPAL WASTEWATER TREATMENT,” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. -, no. 10, pp. 33–41, 2001, [Online]. Available: https://sid.ir/paper/87561/en

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