Comparison Studies of Diatomite and Sand Filtration

Diatomite Filters for Municipal Installations

“…The ment would approve diatomite filters operating results of sand and diatomite on municipal water supplies filters on a potable industrial water 2. Whether any change was contemhave recently been compared (12). plated in their approval policy There is a need for additional infor-3.…”

Design of municipal diatomite filters for iron removal

“…It main tains the cake in a non-compressible form and provides a porous medium for the flow of the water through the filter. (7). He concluded, from data acquired over a one year operating period on each type of plant, that the cost of di atomite filtration of raw water is approximately equal to the cost of sand filtration plus pretreatment.…”

Design requirements of precoat filters for water filtration

“…In the precoat filtration equations, the filter cake resistance is indicated by the 6 index. (13) characteristics. For example, Dillingham and Baumann (28) found that a filter aid with a higher Ç index (K^) may possibly form a filter cake with a lower B index (K^), even though Cg and Cp remain the same.…”