Similar results by Mongkolthanaruk et al. (2002) found that treatment of lipid-rich wastewater by a mixed culture of pseudomonas aeruginosa, Bacillus sp. and Acinetobacter calcoaceticus reduced the BOD and lipid content from 3600 mg/l and 21,000 mg/l, respectively, to less than 20 mg/l within 12 days