@article { ISI:000334984000005, title = {Methane reforming with carbon dioxide over La-Ni-x-Ce1-x mixed oxide catalysts}, journal = {Indian Journal of Chemistry Section A-Inorganic Bio-Inorganic Physical Theoretical \& Analytical Chemistry}, volume = {53}, number = {4-5, SI}, year = {2014}, month = {FEB}, pages = {478-483}, publisher = {NATL INST SCIENCE COMMUNICATION-NISCAIR}, address = {DR K S KRISHNAN MARG, PUSA CAMPUS, NEW DELHI 110 012, INDIA}, abstract = {

La-Ni-x-Ce1-x mixed oxide (0 \<= x \<= 1) catalysts have been hydrothermally prepared, characterized by physico-chemical techniques and evaluated for CO2 reforming of methane. High conversions are achieved for both methane and carbon dioxide over the LaNi0.6Ce0.4O3 catalyst tested under the conditions of CO2/CH4/N-2 ratio of 80/80/80. (total flow rate = 240 mL/min), space velocity of 28,800 h(-1) and at a temperature of 800 degrees C. The H-2/CO ratio in the syngas is stable at 0.93 +/- 0.02. Exchanging Ni with Ce, rather than with La as reported in the literature, appears to be a better option for the improved performance of the catalysts.

}, keywords = {Carbon dioxide reforming, Catalysts, Cerium, Dry reforming, Hydrothermal synthesis, Lanthanum, Methane reforming, Mixed oxides, Nickel}, issn = {0376-4710}, author = {Sagar, T. V. and Sreelatha, N. and Hanmant, G. and Upendar, K. and Lingaiah, N. and Rao, Kamaraju Seetha Rama and Satyanarayana, C. V. V. and Reddy, I. A. K. and Prasad, P. S. Sai} } @article {47076, title = {Utilizing the oxygen carrier property of cerium iron oxide for the low-temperature synthesis of 1,3-butadiene from 1-butene}, journal = {Catalysis Letters}, volume = {151}, year = {2021}, month = {OCT}, pages = {3057-3066}, type = {Article}, abstract = {

Low-temperature oxidative dehydrogenation (ODH) of 1-butene to 1,3-butadiene is one of the challenging reactions in the polymer industry. Towards this a highly dispersed cerium iron oxide was synthesized by citrate gel combustion method and employed for the synthesis of 1,3-butadiene (BD) from 1-butene. The reaction was carried out at low temperature under an oxygen-free atmosphere in a continuous flow mode fixed bed reactor. A decrease in the lattice parameters observed from PXRD and high-resolution TEM analysis proved that iron occupies cerium sites in the crystal lattice. XPS, TPR, and oxygen uptake studies quantified the nature and abundance of different oxygen species. ODH was observed through consuming lattice oxygens. The vacancies generated could be filled by re-oxidation with an external supply of oxygen which will restore the catalytic activity demonstrating the Mars van Krevelen mechanism. [GRAPHICS] .

}, keywords = {1, 1-butene, 3-butadiene, Cerium, iron, Lattice oxygen, oxidative dehydrogenation}, issn = {1011-372X}, doi = {10.1007/s10562-020-03512-5, Early Access Date = FEB 2021}, author = {Venugopalan, Aswathy T. and Kandasamy, Prabu and Gogoi, Pranjal and Ratneshkumar, Jha and Thirumalaiswamy, Raja} } @article {49499, title = {Ce[N(SiMe3)2]3(THF)3-catal yzed hydroboration of CO2, esters and epoxides with pinacolborane: selective synthesis of methanol in multigram scale}, journal = {Chemistry-A European Journal}, volume = {31}, year = {2025}, month = {MAR}, type = {Article}, abstract = {

In this work, we have reduced CO2 with HBpin to afford borylated methanol product selectively in similar to 99 \% yield using Ce[N(SiMe3)(2)](3)(THF)(3) as a catalyst. This led to multigram scale isolation of methanol obtained from CO2 reduction via the hydrolysis of borylated methanol, this establishes the potential of Ce[N(SiMe3)(2)](3)(THF)(3) as an efficient homogeneous catalyst for the bulk scale methanol synthesis. A practical application of this catalytic system was also shown by reducing CO2-containing motorbike exhaust efficiently and selectively. Further, C-O bond activation of esters and epoxides using HBpin and 1-2 mol \% of Ce[N(SiMe3)(2)](3)(THF)(3) at 60 degrees C afforded the borylated alcohols in good to excellent yields, which can easily be hydrolysed to the eco-friendly corresponding alcohol. The stoichiometric experiments were performed to prove the formation of in-situ generated cerium hydride [Ce]-H as an active catalyst.

}, keywords = {Cerium, CO2 reduction, Epoxide, Ester, Hydroboration, Lanthanides}, issn = {0947-6539}, doi = {10.1002/chem.202403449}, author = {Hossain, Md Jabed and Shah, Brij Kumar and Dash, Soumya Ranjan and Vanka, Kumar and Khan, Shabana} }