A kind of technology that utilizes levulinic acid to prepare alcohol-based fuel
A technology of alcohol-based fuel and levulinic acid, which is applied in the direction of carboxylate preparation, fuel, liquid carbon-containing fuel, etc., and can solve the problems of low reaction yield, high cost of methyl levulinate, unfavorable competition of alcohol-based fuels, etc. , to achieve the effect of reducing loss and improving utilization
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Embodiment 1
[0016] 1), in the reactor with condensation recovery device, add successively the methyl alcohol of 40 mass parts, 4.7 mass parts mass fraction are the vitriol oil of 98%, the catalyzer of 59 mass parts, the levulinic acid of 123.3 mass parts, inside the reactor The materials were heated to 65-66 °C for 6 hours; wherein, 100 parts by mass of attapulgite over 500 meshes, 100 parts by mass of epoxy resin adhesive, 30 parts by mass of sodium bicarbonate, and 30 parts by mass of calcium hydrogen phosphate were mixed uniformly at 270 °C The catalyst is cured to form a rubber sheet, and the rubber sheet is crushed and pulverized to make a powder that has passed a 100-mesh sieve, which is the catalyst. The epoxy resin adhesive is prepared by mixing the epoxy resin base material, curing agent, diluent and accelerator uniformly according to the mass ratio of 100:2.3:80:0.02.
[0017] 2), the product in the reactor is obtained by rectifying methyl levulinate and methyl alcohol;
[0018...
Embodiment 2
[0021] 1), in the reactor with condensation recovery device, add successively the methyl alcohol of 43 mass parts, 7.2 mass parts mass fraction are the vitriol oil of 98%, the catalyzer of 60 mass parts, the levulinic acid of 124 mass parts, inside the reactor The raw materials were heated to 68-69 °C for 7 h; wherein, 100 parts by mass of attapulgite over 500 mesh, 110 parts by mass of epoxy resin adhesive, 33 parts by mass of sodium bicarbonate, and 33 parts by mass of calcium hydrogen phosphate were mixed evenly at 280 °C The catalyst is cured to form a rubber sheet, and the rubber sheet is crushed and pulverized to make a powder that has passed a 100-mesh sieve, which is the catalyst. The epoxy resin adhesive is prepared by mixing the epoxy resin base material, curing agent, diluent and accelerator uniformly according to the mass ratio of 100:2.6:90:0.03.
[0022] 2), the product in the reactor is obtained by rectifying methyl levulinate and methyl alcohol;
[0023] 3), s...
Embodiment 3
[0026] 1), in the reactor with condensation recovery device, add successively the methyl alcohol of 50 mass parts, 5.2 mass parts mass fraction are the vitriol oil of 98%, the catalyzer of 63 mass parts, the levulinic acid of 124.7 mass parts, inside the reactor The material was heated to 69-70 ℃ for 6 hours; wherein, 100 parts by mass of attapulgite over 500 meshes, 120 parts by mass of epoxy resin adhesive, 35 parts by mass of sodium bicarbonate, and 35 parts by mass of calcium hydrogen phosphate were mixed uniformly at 290 ℃ The catalyst is cured to form a rubber sheet, and the rubber sheet is crushed and pulverized to make a powder that has passed a 100-mesh sieve, which is the catalyst. The epoxy resin adhesive is prepared by mixing the epoxy resin base material, curing agent, diluent and accelerator uniformly according to the mass ratio of 100:2.7:100:0.03.
[0027] 2), the product in the reactor is obtained by rectifying methyl levulinate and methyl alcohol;
[0028] 3...
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