In heterogeneous catalysis, the catalyst is in a different phase from the reactants. category: Tetrahydrofurans, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 105-21-5, name is Gamma-heptalactone. In an article，Which mentioned a new discovery about 105-21-5
In this research, we applied various CuO-MgO-Al2O3 mixed oxide catalysts prepared by different synthesis methods to lignin depolymerization in supercritical ethanol. It is found that CuO-MgO- Al2O3 catalyst plays a promotional role in producing monomeric compounds from the depolymerization of lignin in supercritical ethanol without supplying the gas phase hydrogen. When it comes to compare the catalyst preparation methods, CuO(30)MgAl(2:1) prepared by co-precipitation (CPT) method showed much higher yield of monomeric compounds and gas phase products than CuO(30)/MgAl(2:1) by incipient wetness impregnation (IWI) method. This is attributed to the formation of highly dispersed CuO species in the former catalyst, as confirmed by XRD analysis. When the acid and base characteristics of the support material were changed by varying the Mg:Al ratio from 2:1 to 2:3, there was no remarkable change in the activity. It can be summarized that the higher dispersion of CuO prepared by CPT method is a more decisive factor to provide the higher yield of monomeric compounds in lignin depolymerization over CuO-MgO-Al2O3 catalyst in supercritical ethanol, while acidity and basicity of the support is not a main factor.
I hope this article can help some friends in scientific research. I am very proud of our efforts over the past few months and hope to 105-21-5, help many people in the next few years.category: Tetrahydrofurans
Reference：
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem