Slow sand filtration is one of the oldest water treatment technologies and it is still in use and
development. Slow sand filters are simple and capable of removing suspended solids …

Biomass was assessed as a new approach for evaluating backwashed slow sand filters
(BSF). Slow sand filtration (SSF) is a simple technology for water treatment, where biological …

The recycling of sewage is an economical option to solve the water resource pressure.
However, to avoid health risks to humans, pathogens in sewage must be removed before …

Parameters for evaluation criteria of air–water backwashing effects of a pilot-scale biological
aerated filter (BAF) treating petrochemical wastewater were investigated. The parameters …

Cyanobacterium Cylindrospermopsis raciborskii may cause problems in drinking water
treatment plants if specific attention is not focused on removing the cyanobacteria. Slow …

A filtração lenta é uma técnica simples para o tratamento de água e uma das mais antigas
utilizadas no abastecimento público. Com o tempo, essa tecnologia perdeu espaço para …

This study evaluated clogging effects on head loss and water quality in sand prefiltration
columns, followed by innovative double‐layered slow‐filter filtration technology using …

Este trabalho tratou de avaliar o funcionamento de um filtro lento com retrolavagem
automática (FLRA) sem energia elétrica, por meio do monitoramento da qualidade da água …

This work aims to test the efficiency of natural, local and abundant granular media for a
tertiary treatment for urban wastewater in Algeria by coupling sand filtration (SF) and …

The main purpose of this study was to improve sand filtration process by using local media
and optimizing to obtain the best operating parameters. Sand from the Algerian desert was …