Method for preparing phenol with carbon-dioxide by using hydrothermal technology
A carbon dioxide and phenol technology, applied in chemical instruments and methods, preparation of organic compounds, organic chemistry, etc., can solve problems such as high temperature and pressure, and achieve a wide range of effects
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Embodiment 1
[0021] Weigh 0.56g of reduced iron powder (10mmol) and 20ml of distilled water into a 22.4ml autoclave, so that the filling degree reaches 90%, and after sealing, feed 9mmol CO 2 Gas, the pressure in the reactor reached 1.4MPa, and the reaction was carried out under mechanical stirring at 200°C for 14 hours. After the reactor is cooled, filter. The product is a colorless transparent solution. The final pH of the solution after the reaction was 9.
[0022] Fig. 2 is the contrast diagram of the mass spectrogram of the reaction product of this embodiment and the standard sample mass spectrogram. Among Fig. 2 (a) is the mass spectrogram of phenol standard sample; (b) is the mass spectrogram of reaction product of the present invention. It can be seen from the figure that the mass spectrogram of the product of this embodiment matches the molecular ion peak and each fragment peak of the standard sample mass spectrogram of phenol very well. The product of the present invention is...
Embodiment 2
[0028] Weigh 0.18g of reduced cobalt powder (3mmol) and 21ml of distilled water into an autoclave with a volume of 22.4ml, so that the filling degree reaches 95%, and after sealing, feed 9mmol CO 2 Gas, the pressure in the reactor reached 1.4MPa, and the reaction was carried out under mechanical stirring at 160°C for 24 hours. After the reactor is cooled, filter. The product is a colorless transparent solution. The final pH of the solution after the reaction was 9.
[0029] Use gas chromatography-mass spectrometry (GC-MS) to identify and identify the product. The mass spectrogram of the product obtained in this embodiment is consistent with the molecular ion peak and each fragment peak of the standard sample mass spectrogram of phenol, so it is determined that the The product obtained is phenol.
[0030] When passing CO 2 At the same time as the gas, H was introduced into the reactor 2 , the yield of the product phenol will increase slightly.
[0031] Phenol can also be ...
Embodiment 3
[0033] Weigh 1.01g of reduced iron powder (18mmol) and 13ml of distilled water into a 22.4ml autoclave, so that the filling degree reaches 60%, and after sealing, feed 9mmol CO 2 Gas, the pressure in the reactor reached 1.4MPa, and the reaction was carried out under mechanical stirring at 300°C for 5 hours. After the reactor is cooled, filter. The product is a colorless transparent solution. The final pH of the solution after the reaction was 9.
[0034] Use gas chromatography-mass spectrometry (GC-MS) to identify and identify the product. The mass spectrum of the product obtained in this embodiment is in good agreement with the molecular ion peak and each fragment peak of the standard sample mass spectrum of phenol, so The product obtained was identified as phenol.
[0035] When passing CO 2 At the same time as the gas, H was introduced into the reactor 2 , the yield of the product phenol will increase slightly.
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