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Journal of Applied Sciences
Year: 2014  |  Volume: 14  |  Issue: 12  |  Page No.: 1351 - 1354

Coagulation of Palm Oil Mill Effluent (POME) at High Temperature

S. Ismail, I. Idris, Y.T. Ng and A.L. Ahmad    

Abstract: Aluminum sulfate or alum is traditionally used as a coagulant in wastewater treatment since it has proven its effectiveness in the removal suspended solid. In the current study, coagulation process is used as a pre-treatment to remove the high content of the suspended solids for membrane distillation treatment in raw Palm Oil Mill Effluent (POME) at high temperature. The performance in term of percentage suspended solids removal was evaluated to identify the optimum conditions for each of temperatures (30, 50, 60, 70 and 80°C). The operating parameters for the coagulation process which are coagulant dosages (1-6 g L-1) and pH (4-8). The optimum temperature for coagulation process was found at 50°C with pH (6.5) and coagulant dosage (4 g L-1). Thus, these finding shows it can be used as pretreatment before further treat by membrane distillation (MD) treatment.

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