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Heavy metals (Cr, Cd, Cu, Pb, etc.) are of great global health concern. As they are non-degradable, causing diseases (Skin and Lung irritability, Nausea etc.) and disorders (Lesions on Kidneys and Liver, Nervous system damage, Myocardium, Edema, etc.). So, there is a great need to recycle the waste water from industries to reuse it for different purposes. The purpose of current research was to isolate heavy metal chromium (Cr) resistant bacteria from different industrial effluents (soil and waste water), to prepare organic adsorbents (saw dust, green tea leaves and sugarcane bagasse) that can eliminate the large amount of hexavalent chromium from different sources and considered as cheapest method for industries to remove heavy metals and to check the effect of prepared bio-sorbents on the removal of chromium metal from the wastewater separately and with the combination of chromium resistant isolates. Results showed that the maximum removal percentage of Cr(VI) was found (89.4%) with sawdust at doses (0.5, 1 and 1.5 gm) with optimum pH (2) and room temperature followed by green tea leaves (84.6%) and sugarcane bagasse (67.8%) with equilibrium time of 120 and 150 minutes respectively, while M1, M4 and M10 isolates showed maximum removal with the adsorbent dose of 1 gram (Saw dust, Sugarcane bagasse and Green tea leaves).

Chromium reduction using organic adsorbents along with indigenous chromium resistant bacteria isolated from Lahore and Gujrat, Pakistan