Directional Control of the Structural Adsorption Properties of Clays by Magnetite Modification

Figure 6

Residual concentration () of spent sorbents particles and their moisture content () after magnetic separation for 30 min: (a) for saponite and its magnetic composites, (b) for palygorskite and its magnetic composites, (c) for spondyl clay and its magnetic composites: 1—initial clays, 2—modified clays with 7 wt.% of magnetite, and 3—modified clays with 10 wt.% of magnetite.

(a)

(b)

(c)