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Low-cost removal of basic red 9 using cow dung ash

Arya Raj Kumar, Meena Ghanshyam, Thapliyal Devyani, Barman Sanghamitra, Halder Gopinath, Shandilya Pooja

Chemical and Process Engineering

2022

Vol. 43, nr 2

229-–242

In the present study, basic red 9 had been removed from synthetic waste water using animal waste. Cow dung ash had been prepared and characterized by scanning electron microscope. Morphology analysis shows very fine particles of less than 1 μm. The pH analysis study favours a pH of 8.5 for maximum dye removal. The removal of basic red 9 was very fast on cow dung ash. Percentage dye removal was 80.24% and 95.24 in 5 minutes and 90 minutes, respectively at initial dye concentration of 10 ppm.