Delhi Jal Board
Delhi Jal Board-Summer Training Report 2012
1
Delhi Jal Board-Summer Training Report 2012
Introduction
Wastewater is any water that has been adversely affected in quality by anthropogenic influence. It comprises liquid waste discharged by domestic residences, commercial properties, industry, and/or agriculture and can encompass a wide range of potential contaminants and concentrations. In the most common usage, it refers to the municipal wastewater that contains a broad spectrum of contaminants resulting from the mixing of wastewaters from different sources. Sewage is correctly the subset of wastewater that is contaminated with feces or urine, but is often used to mean any waste water. "Sewage" includes domestic, municipal, or industrial liquid waste products disposed of, usually via a pipe or sewer or similar structure, sometimes in a cesspool emptier. The physical infrastructure, including pipes, pumps, screens, channels etc. Used to convey sewage from its origin to the point of eventual treatment or disposal is termed sewerage.
There are various types of chemicals found in wastewater, Depending upon the source from where it is being discharged. Depending upon the nature of the sewage it can be grouped as follows: Domestic Sewage: - It includes human excreta as well as discharges from kitchen, baths, lavatories etc. from public and private buildings. 2) Industrial Sewage: - Industrial Sewage or wastewater may be regarded as the liquid waste water in which industrial effluents are present as main waste. 1)
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Delhi Jal Board-Summer Training Report 2012
Storm Water: - This is the rain water which flows as runoff from streets, open yards etc. 4) Combined Sewage: - It is the combination of domestic sewage, industrial waste and storm water. 3)
The need to improve public health protection prompted a number of state health departments in the United States to establish guidelines and regulations to control the public health aspects of
1
Delhi Jal Board-Summer Training Report 2012
Introduction
Wastewater is any water that has been adversely affected in quality by anthropogenic influence. It comprises liquid waste discharged by domestic residences, commercial properties, industry, and/or agriculture and can encompass a wide range of potential contaminants and concentrations. In the most common usage, it refers to the municipal wastewater that contains a broad spectrum of contaminants resulting from the mixing of wastewaters from different sources. Sewage is correctly the subset of wastewater that is contaminated with feces or urine, but is often used to mean any waste water. "Sewage" includes domestic, municipal, or industrial liquid waste products disposed of, usually via a pipe or sewer or similar structure, sometimes in a cesspool emptier. The physical infrastructure, including pipes, pumps, screens, channels etc. Used to convey sewage from its origin to the point of eventual treatment or disposal is termed sewerage.
There are various types of chemicals found in wastewater, Depending upon the source from where it is being discharged. Depending upon the nature of the sewage it can be grouped as follows: Domestic Sewage: - It includes human excreta as well as discharges from kitchen, baths, lavatories etc. from public and private buildings. 2) Industrial Sewage: - Industrial Sewage or wastewater may be regarded as the liquid waste water in which industrial effluents are present as main waste. 1)
2
Delhi Jal Board-Summer Training Report 2012
Storm Water: - This is the rain water which flows as runoff from streets, open yards etc. 4) Combined Sewage: - It is the combination of domestic sewage, industrial waste and storm water. 3)
The need to improve public health protection prompted a number of state health departments in the United States to establish guidelines and regulations to control the public health aspects of