Research Article

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

Figure 4

SEM images of original hydrocalumite at two different magnifications (a and b) and the rehydrated products of calcined hydrocalumite at 400°C (c), 1000°C (d), and 1500°C (e).
454098.fig.004a
(a)
454098.fig.004b
(b)
454098.fig.004c
(c)
454098.fig.004d
(d)
454098.fig.004e
(e)