Thermal Decomposition of Hydrocalumite over a Temperature Range of 400–1500°C and Its Structure Reconstruction in Water

Table 2

Results of EDX analysis for elemental composition of original hydrocalumite and regenerated samples (in atomic percent). The locations where the EDX analyses were made are shown in Figure 4 (points 1, 2, 3, and 4).

Element	Point 1	Point 2	Point 3	Point 4
Ca	13.16	22.34	5.27	24.53
Al	8.49	16.47	3.83	20.37
O	71.70	47.04	62.93	55.09
Cl	6.65	14.16	2.02	—