Activation Of Bentonite Clay Using Sulphuric Accid
The effect of sulphuric acid activation on the . The XRD powderpatterns for some representative bentonites, natural and acidactivated, are given in Fig. bentonite investigated displays peaks belonging to the clay mineral smectite (with a d 0 0 1 value of nm), and nonclay minerals, quartz, opal, and feldspar.