The decision on technologies used for reclaiming wastewater appears as important as a consequence of the implications on the economic, environmental and health conditions of societies. The problem arises when deciding how to deal with wastewater in small communities, because the costs of implementing and operating small, intensive wastewater treatment plants are unacceptable and can lead to financing and operation problems. Extensive treatment systems can be a good solution, where space is available. This paper presents the combination of two soft technologies (infiltration–percolation and constructed wetlands) to treat and reclaim wastewater. The obtained results show that the infiltration–percolation effluent presents a quality enough to be reused for irrigation of industrial crops, nurseries, fodder, cereals and oleaginous seeds, ornamental flower production; industrial cooling; impoundments, water bodies, and streams for recreational use in which the public's contact with the water is not permitted; and irrigation of forested areas, landscape areas and restricted access areas. Moreover, the combination of infiltration–percolation and constructed wetlands increases the list of final reclamation to the following: irrigation of pasture for milk or meat animals, crops for canning industry, crops not raw-consumed, fruit trees except by sprinkling, aquaculture; and aquifer recharge by localised percolation through the soil.
Wastewater reclamation through a combination of natural systems (infiltration-percolation and constructed wetlands): a solution for small communities
E. Huertas, M. Folch, M. Salgot; Wastewater reclamation through a combination of natural systems (infiltration-percolation and constructed wetlands): a solution for small communities. Water Sci Technol 1 April 2007; 55 (7): 143–148. doi: https://doi.org/10.2166/wst.2007.138
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