Changes

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sys1=[[Single Pit System |1]]|

sys2=[[Blackwater Treatment System with Infiltration|5]]|

|spanish_link=Filtro_Percolador

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[[Image:Icon_trickling_filter.png |right|95px]]

'''A Trickling Filter is a fixed bed, biological filter that operates under (mostly) aerobic conditions. Pre-settled wastewater is ‘trickled’ or sprayed over the filter. As the water migrates through the pores of the filter, organics are degraded by the biomass covering the filter material.'''