Experimental and kinetic modeling studies of methanol synthesis from CO2 hydrogenation using In2O3 catalyst

Mechanistic and multiscale aspects of thermo-catalytic CO2conversion to C1products

“…A variety of global kinetic models were published in the past years. 317,[419][420][421][422] Power laws and LHHW models were widely used to describe methanol synthesis, first from CO and then from CO 2 as the main carbon source. Graaf et al 423 and Vanden Bussche and Froment 424,425 were among the first authors to propose an LHHW kinetic model for CO 2 hydrogenation to methanol over a commercial Cu/ZnO/Al 2 O 3 catalyst.…”

Direct Synthesis of Liquefied Petroleum Gas from Carbon Dioxide Using a Copper/Zinc Oxide/Zirconia/Alumina and HY Zeolite Hybrid Catalyst

“…Thus, in this section, investigation of effect of CO in inlet gas on products yield was studied by comparison the results from optimum condition that found in previous section with difference feeding gas that were H 2 / CO 2 /CO (denoted the experiment as RXN 1) and H 2 /CO 2 with molar ratio of 3/1 (denoted as RXN 2). [35][36][37] Table 4 demonstrated the results from RXN 1 and RXN 2. It was found that carbon distribution synthesized from RXN 1, analyzed by GC which its chromatogram was shown in Figure 13, revealed high selectivity of propane and butane and CO 2 conversion level in RXN 2 (25.81 %) was lower than RXN 1 (27.39 %).…”

“…The increasing of partial pressure of product in gas phase reversible reaction especial RWGS reaction results to suppress forward direction of that reaction and the reaction may be occur in reverse direction. Thus, in this section, investigation of effect of CO in inlet gas on products yield was studied by comparison the results from optimum condition that found in previous section with difference feeding gas that were H 2 /CO 2 /CO (denoted the experiment as RXN 1) and H 2 /CO 2 with molar ratio of 3/1 (denoted as RXN 2) [35–37] …”

Effect of surface acidity and basicity of supported Ni catalysts on the N-alkylation of isopropylamine with isopropanol

“…21 Meanwhile, metallic nickel is readily available and of low cost, which is widely used in catalysts for many hydrogenation processes. [22][23][24] Therefore, in this work, heterogeneous nickel catalysts were introduced into the N-alkylation of IPA with IPO to afford DIPA in a fixed-bed reactor, and the effect of surface acidity and basicity of the Ni catalysts on the N-alkylation reaction was investigated.…”