Nano-materials in Chemical Production
Nano-materials in the structure of the optical and chemical properties in areas such as the attractive features, caused by physicists, chemists and materials scientists of great interest. 80 nano-materials in the early formation of the concept, countries around the world paid great attention to this material. It has the unique physical and chemical properties, so that people realize that it's possible to the development of physics, chemistry, materials, biology, medicine, and other disciplines bring new opportunities. Nano-materials are also broad prospects for application. In recent years, in the field of chemical production have been some applications, and demonstrated its unique charm.
1. Catalytic application
Many of the chemical catalysts in the chemical industry plays a pivotal role, it can control the reaction time, reaction to improve the efficiency and speed of response. Most of the traditional catalytic catalyst not only inefficient, and its preparation is the experience, not only caused great waste of raw materials to make it difficult to raise economic efficiency, but also to the environment caused by pollution. Nano-particles on the surface active center, it provided a catalyst for the necessary conditions. Nanoparticles as a catalyst to greatly improve the efficiency of the reaction to control the speed of reaction, so that even the original can not be carried out by the reaction can be carried out. Nanoparticles as a catalyst than a catalyst to improve the response rate of 10 to 15 times. Nanoparticles as a catalyst for greater application of the semiconductor photocatalyst, especially in regard to the preparation of organic matter. Dispersed in solution of each of the semiconductor particles can be seen as similar to a micro-short-circuit the battery, and use of energy is greater than the semiconductor bandgap semiconductor scattered light irradiation system, semiconductor nanoparticles have electronic absorption of light - hole right. In the electric field, and the e-hole separation, were moved to different locations on the surface of particles, and the solution is similar to the component for oxidation and reduction. Photocatalytic reaction involves the reaction of many types, such as alcohol and hydrocarbon oxidation, redox inorganic ions, organic catalytic hydrogenation and dehydrogenation, the synthesis of amino acids, nitrogen fixation reaction, water purification, water-gas shift, and so on, some of which are difficult to heterogeneous catalysis Achievable. Multi-phase semiconductor photocatalyst effective in the degradation of organic pollutants in the water. For example, nano-TiO2, both high photocatalytic activity as well as acid, light stability, non-toxic, easy to get cheap, light-load was the catalyst for the best choice. The article has been reported for the selection of silicone matrix, the system had a higher catalytic activity TiO/SiO2 supported photocatalyst. Ni or Cu-Zn nanoparticles compounds, some of the hydrogenation of organic compounds is an excellent catalyst, can replace expensive platinum catalyst or a button. Nano-platinum catalyst and enable the oxidation of ethylene temperature from room temperature down to 600 ℃. Using nanoparticles as a catalyst to improve the efficiency of reaction, the reaction path optimization to improve the response speed of research, science and catalysis in the future can not be ignored important research topic, most likely catalyst for the industrial application of the changes brought about revolutionary.