Method for producing light biological diesel oil with seed oil of camphor
A technology of biodiesel and camphor tree seed oil, which is applied to the preparation of biological raw materials, biofuels, liquid hydrocarbon mixtures, etc., can solve the problem of light biodiesel not appearing, and achieve the effect of low energy consumption and easy separation and collection
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Embodiment 1
[0027] Stir and heat camphor seed crude oil to 65°C, add phosphoric acid (concentration: 85%) of 0.2% oil weight and 65°C water with 15% oil weight while stirring, continue stirring for 10 minutes, centrifuge, and vacuum dehydrate;
[0028] The above pretreated raw materials, under the action of an esterification catalyst with an esterification catalyst / free fatty acid molar ratio of 0.5, add methanol at a ratio of methanol / free fatty acid molar ratio of 5, react at a temperature of 65°C for 105min, and then centrifuge Separation; the esterification catalyst and methanol phase return to the esterification reactor, and the esterification product and methanol phase enter the transesterification reactor.
[0029] The product in the above-mentioned esterification reaction, under the action of a transesterification catalyst whose molar ratio of transesterification catalyst / total fatty acid is 0.15, is added methanol in a ratio of 7 to a molar ratio of methanol / total fatty acid, and ...
Embodiment 2
[0031] Stir and heat camphor seed crude oil to 68°C, add phosphoric acid (85% concentration) with 1% oil weight and 68°C water with 12% oil weight while stirring, continue stirring for 7 minutes, centrifuge, and vacuum dehydrate;
[0032] The above pretreated raw materials, under the action of an esterification catalyst with an esterification catalyst / free fatty acid molar ratio of 0.7, add methanol at a ratio of methanol / free fatty acid molar ratio of 7, react at a temperature of 70°C for 90 minutes, and then centrifuge Separation; the esterification catalyst and methanol phase return to the esterification reactor, and the esterification product and methanol phase enter the transesterification reactor.
[0033] The product in the above-mentioned esterification reaction, under the action of a transesterification catalyst whose molar ratio of transesterification catalyst / total fatty acid is 0.2, is added methanol in a ratio of 8 to a molar ratio of methanol / total fatty acid, and...
Embodiment 3
[0035] Stir and heat camphor tree seed crude oil to 60°C, then add 0.1% phosphoric acid (concentration: 85%) of oil weight and 60°C water with 10% oil weight while stirring, continue stirring for 5 minutes, centrifuge, and vacuum dehydrate.
[0036]The above pretreated raw materials, under the action of an esterification catalyst with an esterification catalyst / free fatty acid molar ratio of 0.6, add methanol at a ratio of methanol / free fatty acid molar ratio of 5, react at 64°C for 120min, and then centrifuge separate. The esterification catalyst and methanol phase return to the esterification reactor, and the esterification product and methanol phase enter the transesterification reactor.
[0037] The product in the above-mentioned esterification reaction, under the action of a transesterification catalyst whose molar ratio of transesterification catalyst / total fatty acid is 0.18, is added methanol at a ratio of 6 to a molar ratio of methanol / total fatty acid, and reacted fo...
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