Multi-Criteria Analysis to Choose the Suitable Technique of the Treatment of Rural Wastewater Service Unavailable
Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JETT-10-1_012
تاریخ نمایه سازی: 22 مرداد 1403
Abstract:
In order to find a solution to the problem of liquid sanitation in small communities, especially in the rural area, which suffers from groundwater contamination, source of drinking water, due to the infiltration of raw sewage from uncontrolled latrines. Therefore, the aim of this work was to develop treatment scenarios in the Bouregreg pilot site, which are likely to mitigate the degradation of environmental quality and could serve as a model for the rural environment. Taking this into account, the objectives of the used approach in this work were: i) to develop a treatment processes database by carrying out a benchmarking of the main domestic wastewaters technical. ii) to define a multicriteria matrix of different treatments such as design, dimensioning, and the financial feasibility of each treatment through statistical analysis to select the appropriate variant for small communities. Indeed, vertical flow constructed wetland was selected as a suitable and sustainable solution for rural environment. Moreover, a pilot experimental setup was constructed to evaluate the potential of vetiveria zizanioides that was chosen for treating wastewater generated in campus wastewater outlet of ONEE-RABAT. Various water quality parameters such as Biological oxygen demand (BOD), Chemical oxygen demand (COD), and Solids matters (SM) were performed on the treated water and the overall results demonstrated that the applied system was able to remove ۸۰ to ۹۹ % of BOD, ۷۱ to ۹۰ % of COD, ۹۳ to ۹۹ % of SM and the parameters values of treated water are within the permissible limits for domestic (current legislation of morocco).In order to find a solution to the problem of liquid sanitation in small communities, especially in the rural area, which suffers from groundwater contamination, source of drinking water, due to the infiltration of raw sewage from uncontrolled latrines. Therefore, the aim of this work was to develop treatment scenarios in the Bouregreg pilot site, which are likely to mitigate the degradation of environmental quality and could serve as a model for the rural environment. Taking this into account, the objectives of the used approach in this work were: i) to develop a treatment processes database by carrying out a benchmarking of the main domestic wastewaters technical. ii) to define a multicriteria matrix of different treatments such as design, dimensioning, and the financial feasibility of each treatment through statistical analysis to select the appropriate variant for small communities. Indeed, vertical flow constructed wetland was selected as a suitable and sustainable solution for rural environment. Moreover, a pilot experimental setup was constructed to evaluate the potential of vetiveria zizanioides that was chosen for treating wastewater generated in campus wastewater outlet of ONEE-RABAT. Various water quality parameters such as Biological oxygen demand (BOD), Chemical oxygen demand (COD), and Solids matters (SM) were performed on the treated water and the overall results demonstrated that the applied system was able to remove ۸۰ to ۹۹ % of BOD, ۷۱ to ۹۰ % of COD, ۹۳ to ۹۹ % of SM and the parameters values of treated water are within the permissible limits for domestic (current legislation of morocco).
Keywords:
Biological oxygen demand (BOD) , Chemical oxygen demand (COD) , Liquid sanitation , Multi-criteria , Solids matters (SM) , Rural area , Vertical flow constructed wetland , Wastewater
Authors
Amal Kabbour
Faculty of Sciences & Techniques, Hassan II University of Casablanca, Mohammedia, Morocco
Latifa Mouhir
Laboratory of Process Engineering & Environment, Faculty of Sciences & Techniques, Hassan II University of Casablanca, Mohammedia, Morocco.
Mustapha El Hafidi
National Office of Electricity and Potable Water (ONEE), Rabat, Morocco
Laila Saafadi
Laboratory of Process Engineering & Environment, Faculty of Sciences & Techniques, Hassan II University of Casablanca, Mohammedia, Morocco
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