9/8/2023 0 Comments How to activate rise of ironFurthermore, the SiO 2 : Al 2O 3 ratio of 1.12 (greater than one) is suggestive of a clay suitable not for bleaching but for zeolite development. The compositional analysis using atomic absorption spectroscopy (AAS) showed that the Na 2O : CaO ratio is 0.22, a value less than one and indicative of the absence of bentonite which presence, just like montmorillonite, confers bleaching activity to clays. The results of the XRD showed that the clay is composed of dioctahedral kaolinite and dickite, silica, ilmenite, and merlinite. The clay sample collected from Ibeshe deposit was characterized by X-ray diffraction (XRD). This paper investigated the possibility of using clay characterization as a major tool to predict its suitability for bleaching of vegetable oil, namely, palm oil.
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