Method for extracting cunninghamia lanceolata essential oil by utilization of cunninghamia lanceolata three remains
A technology of three residues and Chinese fir, which is applied in the field of extraction of Chinese fir essential oil, can solve the problems of a large number of solvents, complex processing, and affecting the quality of Chinese fir essential oil, and achieve the effects of improving oil yield and protecting the environment and forest resources
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[0013] Example 1
[0014] The method of extracting essential oil of Chinese fir by using three residues of Chinese fir, the specific steps are as follows:
[0015] ① Crush the three residues of Chinese fir into 10-100 mesh Chinese fir powder;
[0016] ②Put the Chinese fir powder into a mixing barrel with a stirrer, add edible alkali and industrial salt to the Chinese fir powder for stirring and mixing. The weight ratio of Chinese fir powder, edible alkali and industrial salt is: 750 kg of Chinese fir powder, edible alkali 3 parts, 2 parts of industrial salt;
[0017] ③The mixed cedar powder is sent to the distillation tower, and steam with a temperature of 240℃~260℃ is passed into the distillation tower for distillation, and the distillation time is 10 hours;
[0018] ④The mixed gas discharged after distillation is transported to the cooling tower through the pipeline for cooling, the cooling water temperature is controlled below 60℃, and the oil-water mixed liquid is obtained after co...
Example Embodiment
[0021] Example 2
[0022] The method of extracting essential oil of Chinese fir by using three residues of Chinese fir, the specific steps are as follows:
[0023] ① Crush the three residues of Chinese fir into 10-100 mesh Chinese fir powder;
[0024] ②Put the Chinese fir powder into a mixing barrel with a stirrer, add edible alkali and industrial salt to the Chinese fir powder for stirring and mixing. The weight ratio of Chinese fir powder, edible alkali and industrial salt is: 750 kg of Chinese fir powder, edible alkali 2.5 parts, 1.8 parts of industrial salt;
[0025] ③The mixed cedar powder is sent to the distillation tower, and steam with a temperature of 240℃~260℃ is passed into the distillation tower for distillation, and the distillation time is 9 hours;
[0026] ④The mixed gas discharged after distillation is transported to the cooling tower through the pipeline for cooling, the cooling water temperature is controlled below 60℃, and the oil-water mixed liquid is obtained after...
Example Embodiment
[0029] Example 3
[0030] The method of extracting essential oil of Chinese fir by using three residues of Chinese fir, the specific steps are as follows:
[0031] ① Crush the three residues of Chinese fir into 10-100 mesh Chinese fir powder;
[0032] ②Put the Chinese fir powder into a mixing barrel with a stirrer, add edible alkali and industrial salt to the Chinese fir powder for stirring and mixing. The weight ratio of Chinese fir powder, edible alkali and industrial salt is: 750 kg of Chinese fir powder, edible alkali 3.5 parts, 2.2 parts of industrial salt;
[0033] ③The mixed cedar powder is sent to the distillation tower, and steam with a temperature of 240℃~260℃ is passed into the distillation tower for distillation, and the distillation time is 11 hours;
[0034] ④The mixed gas discharged after distillation is transported to the cooling tower through the pipeline for cooling, the cooling water temperature is controlled below 60℃, and the oil-water mixed liquid is obtained afte...
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