New insights into ball milling effects on MgAl . After ball milling process, compared with the pure LDHs, the II, but the effect of NaCl, KCl, and KNO 3 could be ignored. However, NH 4 Cl and CaCl 2 had a greater influence on the adsorption of CdII by B LDHs BC, reducing the removal rate of CdII from 91.4 to 49.1 and 64.5 respectively, Contact Me