Enhanced Removal of Turbidity in Thermal Power Plant
Pravin V. Pathak, Dr.S.T. Ingale, Dr.S.R. Thorat
Alum, Coagulating Agents, Natural Organic Mater, Pench River, PolyAluminum Chloride, Total Suspended Solids.
This paper describes the testing, implementation and interim results of a full-scale coagulant changeover from Aluminum Sulfate (Alum) to Poly Aluminum Chloride (PAC) at a large conventional water treatment plant in thermal power plant. Research was conducted at The Koradi Thermal Power Plant last year to determine if a coagulant other than Alum would work better. Two inorganic coagulating agents, alum, & polyaluminum chloride (PAC) were used to clarify samples; samples of raw water collected from Pench river, seasonwise, of different turbidity. Jar testing and pilot plant work conducted determined that the 18% Al2O3 non-sulfated and PAC would perform quite well. A one year full-scale PAC trial, using existing infrastructure was initiated in August-2014. Water quality and operational data was used to determine the effectiveness of the PAC over the different seasons.
Article Details
Unique Paper ID: 142585

Publication Volume & Issue: Volume 2, Issue 4

Page(s): 89 - 92
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