Diagram Drinking Water Treatment Process

Suspended particles get stuck to the chemicals to form floc.

Diagram drinking water treatment process.

Flocculation clarification tank lake reservoir or river coagulation filtration. Coli hepatitis a giardia intestinalis and other pathogens. 1 preliminary treatment 2 primary treatment 3 secondary or biological treatment and 4 tertiary or advanced treatment. Many water treatment plants use a combination of coagulation sedimentation filtration and disinfection to provide clean safe drinking water to the public.

Quality of raw water. 2 outline of water treatment process. Worldwide a combination of coagulation sedimentation and filtration is the most widely applied water treatment technology and has been used since the early 20th century. This article throws light upon the four processes of waste water treatment.

The water is then passed through fi ne screens which remove much of the algal content. Animation of process flow diagram of drinking water treatment plant is shown in this video. However even in the u s drinking water sources can become contaminated causing sickness and disease from waterborne germs such as cryptosporidium e. Water sourcewater source period of design year r i d lit f t t d t d required quality of treated water end use economic resources available of o m 5 extracted from prof c visvanathan s lecture notes.

Drinking water sources are subject to contamination and require. The end use may be drinking industrial water supply irrigation river flow maintenance water recreation or many other uses including being safely returned to the environment water treatment removes contaminants and undesirable components or reduces their concentration so that. Surface water is more often treated rigorously than underground water as it has less contaminants. Slow sand filtration is essentially a biological process whereas rapid sand filtration is a physical treatment process.

Concept of the treatment process. Drinking water supplies in the united states are among the safest in the world. Drinking water treatment sedimentation the heavy particles floc settle to the bottom and the clear water moves to filtration. Text in this example.

Many small private water supplies will rely on cartridge filters consisting of a woven or spun filter within a standard housing. As already stated preliminary treatment involves the removal of floating materials leaves papers rags and settleable inorganic solids. The diagram below shows a basic water treatment process for surface water. Alum and other chemicals are added to the water at this stage.

Choice of water treatment process choice of treatment process depends on choice of treatment process depends on. Water treatment is any process that improves the quality of water to make it appropriate for a specific end use. The water passes into large settling tanks where solids are allowed to settle. The water then flows through pipes to homes and businesses in the community.

Storage water is placed in a closed tank or reservoir for disinfection to take place.