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2 Journal of Ecological Engineering

2 2022

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AHP and GIS-Based Site Selection for a Sanitary Landfill: Case of Settat Province, Morocco

100%

Benezzine G. , Zouhri A. , Koulali Y.

Journal of Ecological Engineering

2022

tom Vol. 23, nr 1

1--13

In Morocco, solid household waste is often disposed of in open air in unsuitable sites, causing adverse effects on humans and the environment. In the province of Settat, there are eight uncontrolled landfills. The present study aimed to determine the most suitable sites from an environmental and economic point of view to ensure good management on a regional scale. The investigation involved a combination of a multi-criteria method (the AHP analytical hierarchy process) and a GIS geographic information system (ArcGIS) with ten criteria: distance from the ground water, water surfaces, drilling, settlements, forests, roads, highway, land use, slope, and elevation. The suitability map showed that about 18.5% of the study area is suitable for installing a sanitary landfill.

The Effect of Purified Wastewater on the Physicochemical Properties of Agricultural Soils in Chaouia in Morocco

88%

Abou-Tammame D. , Zouhri A. , Boutarfa A. , Fathi J. , Aboutayeb R.

Journal of Ecological Engineering

2022

tom Vol. 23, nr 1

34--42

The aim of this study was to assess the impact of the reuse of purified wastewater from the wastewater treatment plant in the city of Settat on the physicochemical quality of agricultural soils compared to the agricultural soils irrigated by rainwater in the region of Chaouia in Morocco. The results obtained showed that despite the great fertilizing value of the purified wastewater, a slight increase in salinity was noted; they also reveal a significant difference in pH. The accumulation of sodium, total limestone and active limestone in the soil increased significantly in the soils irrigated by treated wastewater; in contrast, calcium increased significantly in the soils irrigated by rainwater.No significant differences were recorded for humidity, electrical conductivity, ammonium, nitrates, phosphorus, potassium, organic matter, total nitrogen or cation exchange capacity.