Development and Evaluation of Inclined Tubes Clarifier for Recharge of Surplus Canal Water
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Date
2022
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Punjab Agricultural University, Ludhiana
Abstract
An inclined tubes clarifier was designed and fabricated to handle a flow of 1.8 l/s to filter silt loaded canal water. PVC media of one meter length were attached one over the other to form the inclined tubes through which canal water was passed from bottom side and clarified water was obtained as outflow from the top of clarifier. The inclined tubes clarifier was tested for different suspended loads in the canal water in range of 500 mg/l to 3000 mg/l for pumping rate of 0.3 l/s to 2.1 l/s. The clarifier gave 85% Total Suspended Solids (TSS) removal efficiency for low flow rates (0.3 to 0.8 l/s) and above for flow rates beyond 0.8 l/s Total Suspended Solids (TSS) removal efficiency reduces drastically. Also, at all the flow rates the efficiency was found 6 % higher for Total Suspended Solids (TSS) >2000 mg/l in comparison to Total Suspended Solids (TSS) concentration of below 1000 mg/l. The clarifier makes no significant difference to the Total Dissolved Solids, Electrical Conductivity and pH of the canal water.
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Mhetre Shruti Ravikiran (2022). Development and Evaluation of Inclined Tubes Clarifier for Recharge of Surplus Canal Water (Unpublished M.Tech. thesis). Punjab Agricultural University, Ludhiana, Punjab, India.