Method for preparing alkane through hydrodeoxygenation of oxygen-containing organic compounds
An organic compound and hydrodeoxygenation technology, which is applied in the preparation of liquid hydrocarbon mixtures, biological raw materials, petroleum industry, etc., can solve the problems of increasing catalyst manufacturing costs and reducing catalysts, achieving good industrial application prospects, reducing manufacturing costs, and mature production effect of technology
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Embodiment 1
[0059] Example 1: Preparation of alkanes by hydrodeoxygenation of different oxygen-containing organic compounds as raw materials
[0060] In a 25mL autoclave, add 1mmol of the oxygen-containing organic compounds shown in Table 1 below, 100mg 2 The Ru content after the pre-reduction treatment is a supported Ru catalyst (3%Ru / Ca 5 (PO 4 ) 3 (OH)) and 10mL hexanaphthene as solvent, then close the reactor and replace it with hydrogen, heat to 180°C under 4MPa hydrogen atmosphere, and react under mechanical stirring for the time shown in Table 1. After the reaction was completed, the reaction was cooled to room temperature and degassed to reduce pressure, the reaction kettle was opened, the reaction solution was washed out with cyclohexane, the catalyst and the reaction solution were separated by centrifugation, and the obtained reaction solution was analyzed by gas chromatography.
[0061] The gas chromatography conditions are as follows: GC99 gas chromatography, FID detector, ...
Embodiment 2
[0068] Embodiment 2: the investigation of reaction temperature and hydrogen pressure
[0069] In a 25mL autoclave, add 1mmol of the oxygen-containing organic compound of formula I, 100mg of H 2 The Ru content after the pre-reduction treatment is a supported Ru catalyst (3%Ru / Ca 5 (PO 4 ) 3 (OH)) and 10mL hexanaphthene as solvent, then closed reactor and after replacing with hydrogen, under the temperature shown in Table 2 and hydrogen pressure, under mechanical stirring, react the time shown in Table 2. After the reaction was completed, the reaction was cooled to room temperature and degassed and decompressed, the reactor was opened, the reaction solution was washed out with hexanaphthene, the catalyst and the reaction solution were separated by centrifugation, and the reaction solution obtained by gas chromatography analysis, wherein The gas chromatography conditions are the same as in Example 1, and the results are shown in Table 2.
[0070] Table 2: Investigation result...
Embodiment 3
[0074] Example 3: Investigation of different active metals or different apatite carriers
[0075] In a 25mL autoclave, add 1mmol of the oxygen-containing organic compound of formula I, 100mg of H 2 The loaded metal catalyst shown in the following table 3 after pre-reduction treatment (wherein the content of active metal is 3% by weight) and 10mL hexanaphthene are used as solvent, then after closing the reactor and replacing it with hydrogen, feed 4MPa hydrogen and Heated to 180°C and reacted for 12 hours under mechanical stirring. After the reaction was completed, the reaction was cooled to room temperature and degassed and decompressed, the reactor was opened, the reaction solution was washed out with hexanaphthene, the catalyst and the reaction solution were separated by centrifugation, and the reaction solution obtained by gas chromatography analysis, wherein The gas chromatography conditions are the same as in Example 1, and the results are shown in Table 3.
[0076] Tab...
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