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Clarification Of Rubber Mill Wastewater By A Plant Based Biopolymer – Comparison With Common Inorganic Coagulants, Sumona Mukherjee
Clarification Of Rubber Mill Wastewater By A Plant Based Biopolymer – Comparison With Common Inorganic Coagulants, Sumona Mukherjee
Sumona Mukherjee
Background In this study, the efficiency of Guar gum as a biopolymer has been compared with two other widely used inorganic coagulants, ferric chloride (FeCl3) and aluminum chloride (AlCl3), for the treatment of effluent collected from the rubber-washing tanks of a rubber concentrate factory. Settling velocity distribution curves were plotted to demonstrate the flocculating effect of FeCl3, AlCl3 and Guar gum. FeCl3 and AlCl3 displayed better turbidity removal than Guar gum at all settling velocities. Result FeCl3, AlCl3 and Guar gum removed 92.8%, 88.2% and 88.1% turbidity, respectively, of raw wastewater at a settling velocity of 0.1 cm min−1, respectively. …