Volume 20 No 22 (2022)
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Analysis of Presence of Heavy Metals in the Effluent of Sugar Mill Near National Capital Region, India: A Case Study
Manmohan Verma, Md. Merajul Islam and Deepa Sharma
Abstract
Heavy metal exposure has increased dramatically as a result of industrial and agricultural activities. The most frequent heavy metals that cause human poisoning through biomagnification are Mercury (Hg), Cadmium (Cd), Zinc (Zn), Lead (Pb), Copper (Cu), Chromium (Cr), Arsenic (As), and Nickel (Ni). The National Capital Region (NCR) is one of India's most fertile agricultural lands, with many sugar mills and industries present. The effluents of sugar mills are used for agricultural purposes and they must be free from these heavy metals. We analyzed sugar mill effluent near National Capital Region (NCR) as a case study using APHA 23rd Edn., 2017, 1325 B methodology and found that As, Cu, Pb, and Zn are present in significant amounts while Cd, Cr, and Ni are under the permissible limit. Exposure to these increased levels of heavy metals can cause several fatal diseases, such as neurological disorders, prostate cancer, skin cancer, lung cancer, respiratory diseases, urinary diseases, cardiovascular diseases, etc. Being agricultural land, treatment of effluent before disposal and/or use of phytoremediation, a bioremediation method, to control the increased level of these heavy metals in water and soil is necessary.
Keywords
Heavy metals, Sugar mill effluent, Water & Soil Pollution, Phytoremediation, Biomagnification
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