Treatment Of Sewage Flow Diagram
Wastewater treatment wastewater treatment primary treatment.
Treatment of sewage flow diagram. With increasing infrastructural development and water usage for various purposes such as domestic and commercial there is generation of waste water. Wastewater also known as raw sewage include but is not limited to water from the bathroom toilets kitchen and other industrial wastes. They block floating debris such as wood rags and other bulky objects that could. It includes the removal of large solids from waste water via physical settling or filtration.
Wastewater treatment is a process of removing micro organisms contaminants and any other pollutants from the wastewater. The process flow sheet or flow diagram is a graphical representation of the sequence in which various unit operations and unit processes are adopted for treatment of sewage at any sewage treatment plant. In the normal treatment of sewage the activated sludge is proceeded by primary sedimentation tank. Typical flow diagram of sewage treatment plant fine screenin g grit removal raw grit sewage inlet chamber raw sewage pumping coarse screenin g raw sewage pumping station primary treatment aeration tank secondary clarifier treated water disinfection chlorine sludge recirculation air blower secondary treatment tertiary treatment sludge centrifuge sump slud ge.
Primary treatment removes material that will either float or readily settle out by gravity. Sewage treatment is the process of removing contaminants from municipal wastewater containing mainly household sewage plus some industrial wastewater physical chemical and biological processes are used to remove contaminants and produce treated wastewater or treated effluent that is safe enough for release into the environment a by product of sewage treatment is a semi solid waste or. Sewage treatment plant process includes sewage treatment on primary secondary or biological and tertiary treatment process to improve quality of wastewater for recycle. The conventional activated sludge system consists of a separation tank settling or sedimentation tank and sludge removal line fig.
Everyday wastewater from our homes schools toilets businesses and even factories goes down and flows into the city s sewer system. The sewage after the primary treatment is introduced at the head of the tank. Screens are made of long closely spaced narrow metal bars. It involves the removal of large non biodegradable and.
The process of waste water treatment includes. The design of process flow sheet involves selection of an appropriate combination of various unit operations and unit processes to achieve a desired degree of contaminant removal.