![]() ![]() ![]() To design sedimentation tank dimensions like length, width and height. Velocity of flow centimeter/minute cm/minute. Maximum daily Demand of water purification Million liters/day. The cold water reduces sedimentation process. Temperature: When temperature rises, sedimentation increases.Sedimentation of oil and greasy substances reduces sedimentation efficiency. Viscosity of water: High viscous fluid reduces the sedimentation.Size and shape of particles : Particles in the size range of 0.5-5 μm are likely to deposit by sedimentation (Darquenne and Prisk 2004, O'Callaghan and Barry 1997, Pilcer and Amighi 2010, Stahlhofen et al.For coagulant sedimentation ranges from 2 to 4hours. Detention period : The detention time for plain sedimentation ranges from 4 to 8hours.Velocity of flow of waters : If the maximum permissible velocity of the flow reduces below 0.3m/sec gravity takes effect on suspended particles to settle.The plain sedimentation in normal can remove as much as 70% of the suspended impurities present in water. In sedimentation tank, by controlling turbulence suspended particles in water settle to bottom of tank as sludge. The density currents and turbulences caused by wind, typhoon or high tide carry these particles in water. Sedimentation tank purifies water by the process of sedimentation, which affects suspended particles to settle to bottom of tank. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |