Identification of acid and aluminium resistant bacteria isolated from aluminium recycling area

Aluminium recycling is a growing industry in Indonesia. Waste that produced as by-product of aluminium production still not well processed. This waste contains hazardous materials, primarily aluminium metal. Further treatment need to be carried out to process the aluminium recycling waste, before entering the bodies of water. Isolation and identification of indigenous bacteria will be useful in further aluminium wastewater processing. Six isolated bacteria, turned out to have good ability in resisting aluminium based on screening process. Acidity resistance test showed that Moraxella urethralis and Brochothrix thermosphacta were resistant to acid up to pH 4. Vibrio alginolyticus, Brochothrix thermosphacta and Moraxella urethralis showed aluminium resistant characteristic with MIC value up to 500mg/L.