Subject and UNIT: Water Supply And Wastewater Engineering: Unit III: Water Storage And Distribution
To supply water at sufficient pressure head, To supply requisite quantity of water for fire fighting, Cheap with least capital (construction) cost. The cost of installation of distribution system is about 70% cost of water supply projects.
Water Treatment | Water Supply and Wastewater Engineering
Subject and UNIT: Water Supply And Wastewater Engineering: Unit II: Water Treatment
Water Supply And Wastewater Engineering: Unit II: Water Treatment: Two Marks Questions And Answers
Water Treatment
Subject and UNIT: Water Supply And Wastewater Engineering: Unit II: Water Treatment
Maintenance of each equipment is done as the recommendations of manufacturer, A History card is maintained for each equipment so that record is maintained for equipment performance and maintenance., Good housekeeping is an important aspect of plant operation.
Water Treatment
Subject and UNIT: Water Supply And Wastewater Engineering: Unit II: Water Treatment
Water treatment plants produce a wide variety of waste products as well as safe and gaseous forms depending on the source of raw water and the type of treatment processes, commonly, coagulation/filtration, precipitative softening plant, membrane separation, ion exchange, granular activated carbon.
Methods, Working Principle, Advantages | Water Treatment
Subject and UNIT: Water Supply And Wastewater Engineering: Unit II: Water Treatment
Due to the scarcity of fresh water, it has become necessary to convert salt water into potable fresh water, and the process is called Desalination. It also reduces the Total Dissolved Solids (TDS) in water.
Objectives, Methods, Working Principle, Advantages, Disadvantages
Subject and UNIT: Water Supply And Wastewater Engineering: Unit II: Water Treatment
Temporary/Carbonate Hardness - is caused by the carbonates and bicarbonates of calcium and magnessium. Temporary hardness can be easily removed by boiling or adding lime.
Methods or technologies | Water Treatment
Subject and UNIT: Water Supply And Wastewater Engineering: Unit II: Water Treatment
The optimum concentration of fluoride in drinking water should be 1 to 1.5 mg/l; (preferably 1 mg/l), It is believed that fluoride deficienty in water causes dental caries (weaker tooth and enamel) in children. It is also believed that fluoride stimulates bone formation, reduces hardening of arteries and also helps in the treatment of osteoporosis.
Water Treatment
Subject and UNIT: Water Supply And Wastewater Engineering: Unit II: Water Treatment
Iron and Manganese salts are generally found together in well water or anaerobic reservoir waters, in invisible dissolved state.When exposed to air, these reduced forms slowly transform to insoluble visible oxidized ferric iron and manganic manganese.
Working Principle, Methods, Chlorination, Advantages | Water Treatment
Subject and UNIT: Water Supply And Wastewater Engineering: Unit II: Water Treatment
The filtered water from the Slow or Rapid sand filters normally contains some harmful pathogenic (disease causing) bacteria. These bacteria must be killed in order to make the water safe for drinking.
Working Principle, Purpose, Types, Filter Media, Construction, Operation and cleaning, Design Example Problems | Water Treatment
Subject and UNIT: Water Supply And Wastewater Engineering: Unit II: Water Treatment
(i) To remove very fine suspended and colloidal particles that do not settle in th sedimentation process. To remove dissolved impurities in water. To remove pathogenic bacteria from water.on (iv) To remove colour, odour, turbidity in water.
Components, Working Principle, Construction | Water Treatment
Subject and UNIT: Water Supply And Wastewater Engineering: Unit II: Water Treatment
The original Pulsator Clarifier was developed in the early 1950's. Now it is a properitory item designed and installed by M/s.Degremant private Ltd.
Working Principle, Construction, Advantages, Disadvantages | Water Treatment
Subject and UNIT: Water Supply And Wastewater Engineering: Unit II: Water Treatment
Plate and Tube Settlers have been developed as an alternative to shallow basins and are used in conjunction with both existing and specially designed sedimentation basins.