%0 Journal Article %T P¨®s-tratamento de efluente de filtros anaer¨®bios operados com baixo tempo de deten£¿£¿o hidr¨¢ulica por escoamento superficial no solo %A Tonetti %A Adriano Luiz %A Coraucci Filho %A Bruno %A Stefanutti %A Ronaldo %J Engenharia Sanitaria e Ambiental %D 2012 %I Brazilian Association of Sanitary and Environmental Engineering %R 10.1590/S1413-41522012000100004 %X in this investigation the post-treatment of anaerobic filters operated with low hydraulic retention time (hrt) through overland flow system was studied. for that, it was built four reactors whose volume was 500 l, filled up with bamboos rings and a ramp with 40.0 m of length and inclination of 3.5%, covering with tifton 85 (cynodon sp) grass. it was evaluated the wastewater treatment from limeira city (sp), operating anaerobic filters with 3 hour hrt and the effluent application in superficial drain of 0.10; 0.20; 0.30 e 0.40 m3.h-1.m-1 rates. in these operational conditions, the effluent was suitable to be discharged into receiving waters until the rate application of 0.20 m3.h-1.m-1. over this value, there was a worse final quality in dbo and phosphorus concentration. %K anaerobic filter %K superficial drain %K post-treatment. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1413-41522012000100004&lng=en&nrm=iso&tlng=en