Read this article to learn about the waste water treatment systems of individual residences. The on-site sewage/waste water treatment systems for individual residences (or communities) with special reference to oxidation ditch, septic tanks and Imhoff tanks are briefly described. 1. Oxidation Ditch: Oxidation ditch method, first developed in Netherlands, is a suitable method for the treatment of sewage in small [...]
This article throws light upon the four processes of waste water treatment. The four processes are: (1) Preliminary Treatment (2) Primary Treatment (3) Secondary or Biological Treatment and (4) Tertiary or Advanced Treatment. 1. Preliminary Treatment: As already stated, preliminary treatment involves the removal of floating materials (leaves, papers, rags) and settleable inorganic solids (sand, grit), besides oily substances (fats, [...]
Waste management is a burning problem in the urban, industrial and rural areas. Hazardous wastes contaminate the environment in various ways. Even before such wastes are safely of they pollute the air, water and soil and pose a constant danger to human life. Improper handling of hazardous wastes contaminates the atmosphere and the surrounding environment. The discharge of hazardous substances [...]