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1 2016

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Pre-Feasibility Study for Treatment Wetland Application for Wastewater Treatment in Dispersed Development

Gajewska M., Kołecka K., Obarska-Pempkowiak H., Wojciechowska E., Ostojski A., Bejnarowicz A.

Journal of Ecological Engineering

2016

Vol. 17, nr 3

79--86

The aim of the paper is to present the conducted analyses of pre-feasibility study of different approaches for wastewater management in a settlement of 180 persons. In the assessment both technical and economic aspects were analyzed. The costs were calculated for three different and, at the same time, most popular as well as possible technical solutions like: (i) construction of local wastewater treatment plant with gravitational and pressurized networks, (ii) construction of single family wastewater treatment plants, (iii) construction of sealed septic tanks. Carried out analyses of investment and maintenance costs revealed that at the stage of construction the most expensive is local sewer network with treatment plant, while the construction of a single family treatment plant has similar cost regardless of the technology used. When the long term operation and investment cost are accounted the most economical reasonable solution is the application of wetland treatment for household wastewater treatment.