A plain sedimentation tank with a length of 20 m, width of 10 m and a depth of 3 m is used in water treatment plant to treat 4 million litre of water per day (4 MLD). The average temperature of water is 20°C. The dynamic viscosity of water is 1.002 × 10-3 N-s/m² at 20°C. Density of water is 998.2 kg/m³. Average specific gravity of particles = 2.65. Assume, particles is removed completely. Surface overflow rate in the sedimentation tank is Particles of diameter µm are removed completely

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Hydrogen Energy

Energy is a quantity that cannot be defined, its existence can only be felt. In simple language, if a system possesses energy, it can do a specific kind of work. There are many forms of energy sources which people can use to obtain work. Solar energy, tidal energy, hydroelectric energy, geothermal energy, wind energy are some of the renewable energy sources which are primarily used for the production of electricity.