Synthesis of Acid–Base Bifunctional Catalysts by In Situ Growth of Co-LDH Nanosheets on HY Zeolite To Enhance Co(OH)x Utilization for Microalgal Lipid Conversion
Abstract:To improve Co-LDH nanosheet utilization in catalytic conversion of microalgal lipids to biodiesel, an efficient bifunctional catalyst with synergetic acid and base sites was synthesized by in situ growth of Co-LDH nanosheets on HY zeolite. The bifunctional catalyst with a molar ratio of Co-LDH nanosheets to HY zeolite at 4 exhibited synergistic catalysis of acid sites in the HY zeolite and base sites Co(OH) x (x = 2, 3) in the Co-LDH nanosheets, which promoted esterification of free fatty acids and transesteri… Show more
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