Evaluation of calcined Saudi calcium bentonite as cement …
The chemical constitution of the materials is given in Table 1.The ratio of Na 2 O/CaO in the raw Saudi calcium bentonite is 1.13. Such a value is regarded as low and is a characteristic of calcium bentonite, the non-swelling bentonite (Magzoub et al., 2020).The sum of SiO 2, Al 2 O 3, and Fe 2 O 3 in the raw calcium bentonite is 90.14% while that …
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