Load type flyash solid base catalyst for producing biological diesel oil and method of producing the same
A solid base catalyst, biodiesel technology, applied in the direction of physical/chemical process catalysts, chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, etc., to reduce work costs and environmental costs, easy to separate , The effect of simplifying the post-processing process
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Embodiment 1
[0036] Weigh 2.00 g of sodium hydroxide, pour it into a beaker, and dissolve it in 100 mL of deionized water to obtain a sodium hydroxide solution. Weigh 8.00g of the fly ash carrier that has been activated at 550°C for 2h and immerse it in the aqueous solution of sodium hydroxide. After stirring and aging for 2.0h, heat and dry the solvent, and put the obtained poly powder in the muffle furnace at 230°C Calcined for 3.0 hours, cooled and ground into a powder of less than 100 mesh to obtain a solid base catalyst.
[0037] Put 1 mol of deacidified and dehydrated rapeseed oil and 10 mol of methanol into a 1.5-liter reactor with reflux condensation and mechanical stirring device, add 5.0% of the above catalyst, and stir and reflux at 65°C for 80 minutes. Evaporate excess methanol, filter the reaction solution while it is hot, separate the catalyst, and then centrifuge the filtrate to separate layers. The upper layer is biodiesel, and the lower layer is the by-product glycerol. Af...
Embodiment 2
[0039] Weigh 1.50 g of potassium hydroxide, pour it into a beaker, and dissolve it in 100 mL of deionized water to obtain a potassium hydroxide solution. Weigh 8.50g of fly ash carrier that has been activated at 550°C for 2h and immerse it in an aqueous solution of potassium hydroxide. After stirring and aging for 2.0h, heat and dry the solvent, and place the obtained polypowder in a muffle furnace at 258°C Calcined for 3 hours, cooled and ground into a powder of less than 100 meshes to obtain a solid base catalyst.
[0040] Put 1 mol of wax gourd oil and 10 mol of methanol into a 1.5-liter reactor with reflux condensation and mechanical stirring device, add 3.5% of the above-mentioned catalyst, and stir and reflux at 62°C for 90 minutes. Evaporate excess methanol, filter the reaction solution while it is hot, separate the catalyst, and then centrifuge the filtrate to separate layers. The upper layer is biodiesel, and the lower layer is glycerin, a by-product. After chromatogr...
Embodiment 3
[0042] Weigh 4.00 g of lithium hydroxide, pour it into a beaker, and dissolve it in 100 mL of deionized water to obtain a lithium hydroxide solution. Weigh 6.00g of fly ash carrier that has been activated at 550°C for 2h and immerse it in an aqueous solution of lithium hydroxide. After stirring and aging for 2.0h, heat and dry the solvent, and place the obtained poly powder in a muffle furnace at 270°C Calcined for 3 hours, cooled and ground into a powder of less than 100 meshes to obtain a solid base catalyst.
[0043] Put 1 mol of Camellia oleifera seed oil and 15 mol of methanol into a 1.5-liter reactor equipped with reflux condensation and mechanical stirring device, add 3.2% of the above-mentioned catalyst, and stir and reflux at 63°C for 100 minutes. Evaporate excess methanol, filter the reaction solution while it is hot, separate the catalyst, and then centrifuge the filtrate to separate layers. The upper layer is biodiesel, and the lower layer is glycerol, a by-product...
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