Unlock instant, AI-driven research and patent intelligence for your innovation.

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 uses

Inactive Publication Date: 2011-05-11
JILIN UNIV
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reaction temperature and pressure of this technology are high

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for preparing phenol with carbon-dioxide by using hydrothermal technology
  • Method for preparing phenol with carbon-dioxide by using hydrothermal technology
  • Method for preparing phenol with carbon-dioxide by using hydrothermal technology

Examples

Experimental program
Comparison scheme
Effect test

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.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention discloses a method for preparing phenol from carbon dioxide by using hydrothermal technology, which belongs to the hydrothermal chemical technical field. The complex hydrothermal reaction is taken on the surface of metal iron powder by using carbon dioxide and water, and then the phenol is synthesized after agitation and reaction for 5-24h under the reaction pressure of 1.2-1.6Mpa and at the reaction temperature of 160-300 DEG C. The present invention provides a soft reaction route for an inertial CO2 molecule and makes an effective recycle and use for CO2 so that the much better circulation for CO2 on earth can be realized, which can not only prepare an industrial material, but also can decrease the influence of greenhouse effect and have the double significance to solve the resource utilization and environment protection.

Description

technical field [0001] The invention belongs to the technical field of hydrothermal chemistry. It particularly relates to a method for hydrothermally synthesizing phenol with carbon dioxide under the action of a metal catalyst. Background technique [0002] CO 2 It is an abundant carbon resource in nature and the final product of the combustion of carbon-containing compounds. In various industrial processes, there are large amounts of CO 2 Most of them are directly discharged into the atmosphere and cannot be well used, and make the CO in the atmosphere 2 Concentrations continue to increase, causing the intensification of the greenhouse effect. Between 2000 and 2004, CO 2 The growth rate of emissions is more than three times that of the 1990s, from 1.1% to 3.1% per year. This will lead to an accelerated rise in the average temperature of the Earth. Rising temperatures will desiccate subtropical regions, increase rainfall in high latitudes, reduce icy areas in the ocea...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C07C39/04C07C37/00C07C37/06
Inventor 冯守华田戈袁宏明何超
Owner JILIN UNIV