Home Accepted Papers
Study of catalyst synthesizing using gas phase deposition of active metal on g-C3N4 Nano sheets support for furfural hydrogenation
Paper ID : 1090-UFGNSM2021-FULL (R2)
Oral / Poster Presentation File
Authors:
zahra musavi1, Abbas Ali Khodadadi *2, Yadollah Mortazavi3
1school chemical engineering, university of tehran, iran
2School of Chemical Engineering, Department of Engineering, University of Tehran, Tehran, Iran
3Chemical Engineering, University of Tehran, Tehran, Iran
Abstract:
graphene bases have been considered due to its compatibility with the environment. In recent years, graphite carbon nitride (g-C3N4) has attracted a lot of attention due to its stunning benefits such as its unique structure and optical properties, good thermal and chemical stability, cheap raw materials and ease of preparation. If these carbon bases are synthesized at the nanoscale, they have a higher specific surface area and therefore increase catalyst activity. The richness of nitrogen in bases such as pyrolysis nitrogen, pyridine nitrogen, and graphite nitrogen makes these bases suitable for placing small metal nanoparticles with high dispersion. The aim of the new research is to design chromium-free, environmentally friendly, active and selective catalysts for the formalin hydration of furfural to furfuryl alcohol. Also, the use of nanotechnology in the construction of nanostructured catalysts to increase the specific surface area and thus the greater access of reactors to active sites is another new approach to improve the catalytic properties. Hydrogenation of double bonds C=C is one of the most important developments in organic chemistry and is widely used in the pharmaceutical and chemical industries. This reaction usually occurs in the presence of catalysts containing platinum, nickel, or palladium as an interaction between a hydrogen molecule and an element or compound, leading to a decrease in the saturation of organic compounds. In fact, the purpose of these reactions is to convert triple or double bonds in organic compounds into double and less bonds and use it in the production of pharmaceuticals, resins, plastics, lubricants, vitamins, and perfumes. and polymeric materials. This can be done by direct flow of hydrogen gas, which requires high pressure. Also, this transfer of hydrogen can be done through a hydrogen-producing agent such as alcohol. Traditional methods produce large amounts of effluent and waste, which are harmful pollutants. To solve this problem, hydrogenation reaction with milder and safer reaction conditions and higher selectivity is used. In this work Ni/g-C3N4 catalysts were prepared by new gas phase deposition method. Using liquid phase hydrogenation of furfural as a probe reaction, the activity of this catalyst was examined. compared Ni/g-C3N4 preparation by wet impregnation this catalyst exhibited excellent conversion and selectivity towards furfuryl alcohol. After 2hr at 160℃ and 10bar in isopropanol as a solvent with 100% selectivity.
Keywords:
Hydrogenation, Furfural, Nickle/g-C3N4 Nano sheets, gas phase deposition
Status : Paper Published