There are many types of sand filters. Some are designed for industrial purposes, while others are designed for household use. Sand filters are effective at reducing the biochemical oxygen demand (BOD) and total suspended solids (TSS) of wastewater. BOD refers to the amount of oxygen that microorgani Read More

There are two main types of sand filters: multiport and slide-valve. Multiports are installed on the side of the tank and feature plastic inlet and outlet unions. The slide-valve design is simpler, with only two positions - the inlet and outlet unions. These valves should be cleaned regularly. Both Read More