Sewage Treatment Process The sewage treatment process of making sewage contamination into harmless form of sludge. This sewage water passed to the open environment without making problem of health hazard or...

From the World Health Organization, World Public Health and Pollution Control point of view, It is important that the sewage, before its ultimate disposal either on land or dilution in water, should be given...

Trickling filters are either rectangular or circular in shape and about 2 m deep. They are filled either with coarse, crushed rock or large anth­racite coal or blast furnace slag or broken bricks or graded...

The artificial sewage treatment ( Waste water treatment ) process, called sewerage, involves the following steps : (1) Preliminary process causes removal of large and coarse solids, inorganic...

Activated Sludge Process is based on the principle that : (i) adequate amount of oxygen or air is passed through sewage containing aerobes. Complete aerobic oxidation occurs, though slowly. However, if this...