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A series of alumina with different crystal structures from γ-Al2O3 to θ-Al2O3 has been synthesized by precipitation method using aluminum nitrate and aluminum chloride hexahydrate, and the corresponding NiMo/Al2O3 catalysts were prepared based on above different alumina. The typical physic-chemical properties of the supports and series catalysts were characterized with XRD, BET, UV–Vis DRS, Py-IR,...
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