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International Journal of Applied Research
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ISSN Print: 2394-7500, ISSN Online: 2394-5869, CODEN: IJARPF

Impact Factor: RJIF 5.2

International Journal of Applied Research

Vol. 3, Issue 3, Part L (2017)

Phytoremediation of domestic waste water of Gandhi Nagar, Vellore using microalgae Chlorella vulgaris

Vidhya K, Job Gopinath M and Agilan M
The accumulation of wastes of domestic and industrial processes in the nearby water bodies results in water pollution. The wastewater discharged into the water bodies are hazardous to environment and cause various health problems in human beings. Eutrophication is one such major environmental problem caused due to the discharge of nutrient rich wastewater into the nearby water bodies. Excessive pollutants including nutrients affect aquatic lives and environment in various ways. There are certain plants capable of removing pollutants from water. Phytoremediation is an alternate way to reduce nutrients from contaminated medium. Microalgae can be used for phytoremediation to reduce the nutrient content in the wastewater due to the algae’s ability to assimilate nutrients into the cells. The microalga Chlorella vulgaris can utilize the nitrogen and phosphorus in wastewater for its growth. Hence in the present study, microalga Chlorella vulgaris was used to determine the removal efficiencies of pollutants, such as chemical oxygen demand (COD), total nitrogen (TN) and total phosphorus (TP). The Chlorella vulgaris was cultured in the shake flasks that contained wastewater in the presence of artificial light in the laboratory. It removes the maximum percentage of TN and TP were within 82.1% and 90.9%, respectively. The Chlorella vulgaris which could not only bioremediate the wastewater, but also produce plenty of the microalga biomass that could be used for the exploitation of fertilizers, feed additives and biofuels. The optimum detention period for the maximum phytoremediation is found to vary within 10 and 14 days. Based on the laboratory scale study under controlled environment, it can be concluded that Chlorella vulgaris has the potential to reduce nutrient content of wastewater.
Pages: 770-773  |  504 Views  17 Downloads
How to cite this article:
Vidhya K, Job Gopinath M and Agilan M. Phytoremediation of domestic waste water of Gandhi Nagar, Vellore using microalgae Chlorella vulgaris. International Journal of Applied Research. 2017; 3(3): 770-773.
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