Removal of High-Concentration Sulfate from Seawater by Ettringite Precipitation

Table 1

Ion contents in seawater.

Ions	Na^+	Ca^2+	Mg^2+	SO4^2−	Cl^−	HCO3^−	Total dissolved solids
Ion amount, ppm	18,300	650	2,110	4,290	32,200	120	57,670