Table 2. Approximate Alum dose (mg/L) required to obtain acceptable quality (~1.0 mg/L) of drinking water from raw water at various alkalinity and fluoride levels#1 *To be treated after increasing the alkalinity with lime.

From

De-fluoridation of Groundwater using Precipitation Method in a Region of Nagaur District, Rajasthan, India

Ravi Sharma, B.R Rojh

Applied Ecology and Environmental Sciences. 2020, 8(6), 379-386 doi:10.12691/aees-8-6-8