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Aiming at the coupled processes of combustion and decomposition inside a calciner, multiphase species transportation method is adopted to simulate the complex physical and chemical process. With shrink-core reaction model for raw meal, raw meal particle phase is studied by Euler-Euler method. The coupled processes inside calciner are simulated by solving the species transportation equations between...
Ba 0.55 Sr 0.45 TiO 3 (BST) precursors were synthesized via a polyvinyl alcohol (PVA) modified sol-precipitation route. And the obtained precursors were then calcined in air at temperatures ranging from 400 to 800 °C. The formation mechanism of BST phase was investigated using X-ray diffraction (XRD), while the effect of PVA on the particle morphology of the BST phase was studied...
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