Method used for catalytic synthesis of fatty acid methyl ester with roasted hydrocalumite
A technology of fatty acid methyl ester and hydrocalumite, which is applied in the directions of fatty acid esterification, chemical instruments and methods, physical/chemical process catalysts, etc., can solve problems such as environmental pollution, discharge a large amount of salty wastewater, etc. , The effect of high surface alkali density and uniform distribution
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Embodiment 1
[0017] Preparation of catalyst: add 0.08 mol calcium hydroxide, 0.04 mol aluminum hydroxide and 0.02 mol sodium carbonate to 200 mL of water, stir and react at 80 °C for 2 hours, stop stirring, and react at 80 °C for 17 hours; filter, wash, dry, After pulverization, hydrocalumite Ca is obtained 2+ 2 / 3 Al 3+ 1 / 3 (OH) 2 (CO 3 2- ) 1 / 6 ·2H 2 O; the obtained hydrocalumite is calcined at 600° C. for 4 hours to obtain the calcined hydrocalumite.
Embodiment 2
[0019] Add 19.4g soybean oil, 5.2g methanol and 0.583g calcined hydrocalumite catalyst prepared in Example 1 into the reactor, turn on stirring, heat up to 65°C, react for 4 hours, cool, centrifuge, sample and detect, and the product is collected. The rate is 98%.
Embodiment 3
[0021] Add 19.4g soybean oil, 5.2g methanol and 1.553g calcined hydrocalumite catalyst prepared in Example 1 into the reactor, turn on stirring, heat up to 65°C, react for 4 hours, cool, centrifuge, sample and detect, and the product is collected. The rate is 91%.
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