Enhanced Removal of Turbidity in Thermal Power Plant

Enhanced Removal of Turbidity in Thermal Power Plant
Author(s):
Pravin V. Pathak, Dr.S.T. Ingale, Dr.S.R. Thorat
Keywords:
Alum, Coagulating Agents, Natural Organic Mater, Pench River, PolyAluminum Chloride, Total Suspended Solids.
Abstract
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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