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Analysis of Dyeing and Printing Waste Water of Balotara Textile Industries

Author(s): Pallavi Mishra and Rajashri Soni

The textile effluents containing dye, printing and processing waste water of Balotra region were collected to study the concentration levels of different salts and metal ions in the effluents. Water samples were collected from ten different locations of Balotra region and various parameters were analysed viz pH, EC, TDS, COD, The concentration of Na+, Ca2+, Mg2+, Cl−, NO3 −, F− and the heavy metals (Cu, Fe, Cr, Ni, Zn, Pb Cd), which reveals that effluent discharge from the dyeing and printing textiles has great impact on the quality of water. The results show extreme variation from the standard WHO specifications. The samples were found to contain pH and electrical conductivity in the range 7.1 to 8.7 and EC from 2000 to 9000 μmhos/cm, respectively. The concentrations of biological oxygen demand (BOD) and chemical oxygen demand (COD) were found unexpectedly very high. A higher concentration of heavy metals was also detected. The concentration of nitrates and fluorides were very high from the limit set by WHO.

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  • Geneva Foundation for Medical Education and Research

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