Figure 4. Conventional and modern techniques used for wastewater treatment [17]

From

Adsorption Principle Applied for Wastewater Treatment Centering Removal of Nitrate and Phosphate-A Review

Ravina , Sunil Chhikara, Parveen Kumar

Applied Ecology and Environmental Sciences. 2022, 10(5), 281-291 doi:10.12691/aees-10-5-3