A variety of hydroxides has been used to precipitate metals fromwastewater, based on the low cost and ease of handling, lime is the preferred choice of base used in hydroxide precipitation at industrial settings (Baltpurvins et al., 1997) (Table 1).
A variety of hydroxides has been used toprecipitate metals fromwastewater, based on the low cost and easeof handling, lime is the preferred choice of base used in hydroxideprecipitation at industrial settings (Baltpurvins et al., 1997)(Table 1).