Hexavalent chromium bioremediation using Hibiscus Sabdariffa calyces extract: Process parameters, kinetics and thermodynamics

Hexavalent chromium toxicity remains an indispensible toxicity to bioremediation. It has environmental and health impact in areas of hexavalent chromium discharges. This persistent problem associated with hexavalent chromium toxicity had led to employment of both physical and chemical means of control, which suffers major drawbacks. These drawbacks include; incomplete metal removal, high energy requirement, high reagent consumption and high cost...