The study of the structure morphology of calcium oxide catalyst being oep with various kinds of chemical potassium fluoride (KF: Potassium Fluoride) potassium chloride (KCl Potassium Chloride:), potassium (Potassium Bromide: KBr) bromide, potassium iodide (KI Potassium Iodide:) and barium chloride (BaCl2 Barium Chloride:) compared with calcium oxide from the shell plug technique in physical structure analysis with scanning electron beam (Scanning Electron Microscopy: SEM) when considering the figure 4.1 (A), (B) and (C) is plugged into the shells prior to burn.It found that there was a relatively rough surface. There are no pores, Loei. After that, when the shell plug to burn 900 degrees Celsius temperature for 2 hours, found that the characteristic morphology of sea-shells fired. Figure 4.1 (D), (E) and (F) have a relatively smooth surface characteristics and porosity are many. By the appearance of pores which occur due to the dissolution of calcium carbonate and calcium oxide is carbon dioxide. Thus, the surface of the catalyst is the manner in which a porous occurs.When considering Figure 4.1 (G), (H) and (I) which is calcium oxide with potassium fluoride is the oep. It found that resembles a small chunk, and there is a relatively smooth surface. This causes a porousWhen considering Figure 4.1 (J), (K) and (L), which is the oep is calcium oxide with potassium chloride. It found that resembles a large square that is covered with many small particles. Large rectangular bales which may result from the grinding detail is found by the small amount of large pores.When considering Figure 4.1 (M), (N) and (O) which is calcium oxide with potassium bromide is the oep. Found to be similar to calcium oxide with potassium chloride but oep are particles which covered small bunches looks less, which would cause a large pore.When considering Figure 4.1 (P), (Q) and (R), which is the oep is calcium oxide with potassium iodide. Found to be similar to calcium oxide with potassium chloride but oep is small particles will be compressed a lot of large particles, which will cause only minor porosity, large.When considering Figure 4.1 (S), (T) and (U), which is calcium oxide, barium chloride with the oep has been found that the surfaces are rough, which is a combination of a small island kononuphak each other a lot.
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