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SBA-15 catalyst for semi-hydrogenation reaction
SBA-15 catalyst for semi-hydrogenation reaction
The existing chemical agents for the hydrogenation of organic substances tend to have very good grip and are very easy to produce products. Therefore, it is very important to develop a new catalytic system with high selectivity and high stability. Gold, especially Pd chemical agents have been widely used in chemical reactions in the industry. However, SAC and nanoparticles, due to their high surface free energy, can easily aggregate into large particles at high temperatures, thereby significantly reducing their chemical activity.
By enhancing the force between the metal and the matrix or introducing stronger ligands, the surface energy can be effectively lowered from a mechanical point of view, while minimizing the migration of gold atoms. Another effective strategy is to transfer Jinyuan through MOF
The sub-domains are in the microporous pebble structure to prevent collaterals. However, this method cannot effectively prevent the migration of gold atoms at high temperatures. Therefore, it is very important to find a universally-produced method for the synthesis of the chemical system.
Advantage 1
A simple and efficient thermal method is used to separate Pd single atoms on a heterocarbon layer based on SBA-15. The carbon layer can provide atomic expansion sites to determine the atoms released from the nanoparticles.
Advantage 2
In the selective gasification reaction of benzene, propylene or other alkanes, the catalysis exhibits excellent efficiency. The resulting anti-junction Dd SAC has excellent thermal stability and high escape resistance, the method is simple to operate, and it can be mass-produced
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