Review article of Journal of Plant and Environmental Research
Assessment of Biological iron Removal from the Ground Water
Baby AbrarUnnisa Begum*1, Dr. N. Devanna2, Dr. P. Ramesh Chandra3, Razia Sultana4
1Associate Professor, Chemistry Department, SWCET, Hyderabad, Telangana, India
2Professor & Head, Chemistry Department, JNTUA, Anantapuram, A.P., India
3Retd. Senior Environmental Scientist, Pollution Control Board, A.P, India
4 Retd Director of EPTRI Telangana Hyderabad, India
Iron can be removed from groundwater through the process of chemical oxidation followed by a rapid sand filtration. Different mechanisms (physicochemical and biological) contribute for the iron removal in filters but the dominant mechanism depends on physical and chemical characteristics of the water and which the process conditions applied. Now there are number of methods of biological iron removal which are reported to be much more efficient and cost effective than conventional physicochemical iron removal method. The mechanism of iron removal in filters could be solely biological the physicochemical iron removal mechanisms under certain specific conditions. The paper reviews that the theoretical background of biologically mediated iron removal, the advantages and limitations of the method and a few case studies. A literature review revealed that biological iron removal is not suitable when pH and oxygen concentrations are high and/or NH+4, H2S and Zn are present. Physico chemical removal mechanisms can achieve the same removal efficiency under the conditions that are reported to be favorable for biological iron removal. Biological iron removal is likely to be supplementary to conventional physico chemical iron removal.
Keywords: groundwater, filtration, iron removal, biological oxidation,
How to cite this article:
Baby AbrarUnnisa Begum, Dr. N. Devanna, Dr. P. Ramesh Chandra, Razia Sultana. Assessment of Biological iron Removal from the Ground Water. Journal of Plant and Environmental Research, 2018,3:12. DOI:10.28933/jper-2018-05-0101
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