Essay on Classification of Filters | Water Treatment | Water Engineering
In this essay we will discuss about the classification of filters:- A. Gravity Filters B. Pressure Filters. Essay # A. Gravity Filters: 1. Slow Sand Filters: Construction of Slow Sand Filters: These are watertight shallow tanks about 2.5 m to 4 m deep and having surface area 100 sq.m to 2000 sq.m. in plan. These tanks contain 60-90 cm thick [...]