Evaluation of Amine Functionalized Thermal Power Plant Solid Waste for Industrial Wastewater Remediation

Table 1

Chemical content of LCFA before and after surface activation measured by XRF.

Oxide wt % (excluding oxide compounds below 1%)	Pristine LCFA	After washing (distilled water at 50°C)	After surface activation (H3PO4 at 50°C for 1 h)
SiO2	53.193	53.571	55.301
Al2O3	27.860	28.377	27.612
Fe2O3	7.018	6.400	6.161
K2O	4.500	5.347	5.113
MgO	2.068	1.925	2.057
CaO	1.818	1.914	1.885
TiO2	1.232	1.412	1.331