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Study of Induced Air Flotation for the removal of Oils from | ||
| Iraqi journal of mechanical and material engineering | ||
| Article 1, Volume 0, Issue 0, 2010, Pages 535-542 | ||
| Authors | ||
| Hayder A. AlAjawi; Dr. Salam J. AlMaliky; Nidaa A. AlBayati | ||
| Abstract | ||
| The presence of oil and grease in the industrial effluents has a very bad impact on both the treatment units and the disposal media. One of the important oil/ water separation techniques is the Induced Air Flotation. The principal aim of this paper is to determine the proper air flow rate for oil/ water separation, in a laboratory scale IAF batch system, for two types of industrial waste waters; Sweets and Dairy Industries. The impact of Alum as a coagulation agent, on the separation efficiency via flotation process, is also studied. Results have shown that (3-5 l/min.) air flow rates are the optimal for having separation efficiencies between (77%- 80%) for effluent of Sweets industry, and (66%- 70%) for effluent of Dairy industry. The addition of (0.5 g/l) Alum has proved significant influence on oil/ water separation efficiency, which could reach the values of (96%- 99%), using the air flow rates mentioned above, for Dairy and Sweets industrial effluents respectively. | ||
| Keywords | ||
| rds; Oil and grease; Coagulation; Oil | ||
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