The paper presents a series of tables, figures and charts which can be used for the preliminary selection of wastewater treatment systems, specially in developing countries. The systems analysed are: stabilization ponds, activated sludge, trickling filters, anaerobic systems and land disposal. Within each system, the main process variants are covered. A main summary table for quantitative analysis is presented, including easily usable information based on per capita values (US$/cap, W/cap, m2 area/cap, m3 sludge/cap). Other tables for qualitative comparison among systems are also included, one based on a one-to-five-star scoring and the other on a balance between advantages and disadvantages of the main treatment processes. The sludge treatment and disposal is also covered, including a comparative analysis based on a scoring system.
Marcos von Sperling; Comparison among the most frequently used systems for wastewater treatment in developing countries. Water Sci Technol 1 February 1996; 33 (3): 59–72. doi: https://doi.org/10.2166/wst.1996.0059
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