Results 61 to 70 of about 12,710 (277)
Influence of Preparation and Activation on the Speciation of Carbon‐Supported Mo–W Carbides
In situ X‐ray absorption spectroscopy (along with XRD and TEM) combined with MCR‐ALS resolves the speciation of carbon‐supported Mo/W carbides during carburization. This analytical approach links preparation pathways to active phase formation, providing insights for the rational design of carbide catalysts.
Parviz Azimov +7 more
wiley +1 more source
Regenerative Cu/La zeolite supported desulfurizing sorbents [PDF]
Efficient, regenerable sorbents for removal of H2S from fluid hydrocarbons such as diesel fuel at moderate condition comprise a porous, high surface area aluminosilicate support, suitably a synthetic zeolite, and most preferably a zeolite having a free ...
Sharma, Pramod K., Voecks, Gerald E.
core +1 more source
Recent Advances in Noble Metal (Pt, Ru, and Ir)-Based Electrocatalysts for Efficient Hydrogen Evolution Reaction [PDF]
Noble metal (Pt, Ru, and Ir)-based electrocatalysts are currently considered the most active materials for the hydrogen evolution reaction (HER). Although they have been associated with high cost, easy agglomeration, and poor stability during the HER ...
Baek, Jong-Beom, Li, Changqing
core +1 more source
Rounded TiO2 nanoparticles we sucesfully synthesized with modulated sizes from 109 to 22 nm. We observed the WS2 and NiWS active phases forming parallel slabs to the surface. The presence of Ni helped W to be better dispersed, especially on the smallest nanoparticles, which resulted in the highest activity detected among the series.
Eduardo D. Gutiérrez‐López +7 more
wiley +1 more source
The image illustrates the journey of catalyst engineering across scales, emphasizing the design, shaping, and manufacturing of technical catalysts. It highlights how hierarchical structuring bridges properties and process innovation, showcasing the continuum between fundamental science and industrial practice that defines modern catalyst engineering ...
Ali M. Alkadhem +6 more
wiley +1 more source
Organic sulfur is removed from coal by treatment with an organic solution of iron pentacarbonyl. Organic sulfur compounds can be removed by reaction of the iron pentacarbonyl with coal to generate CO and COS off-gases.
Hsu, G. C.
core +1 more source
CeO2‐doping significantly enhanced HDS performance. ABSTRACT In this study, the influence of CeO2 loading (5–30 wt%) on the structure and hydrodesulfurization (HDS) performance of Ni‐based catalysts for dibenzothiophene (DBT) removal was systematically investigated.
Xiang Zheng +4 more
wiley +1 more source
Comparative Study of New Re-Ni-Mo/Al2o3 and Conventional Hydrodesulphurization Catalyst
New types of hydrodesulfurization (HDS) catalyst Re-Ni-Mo/ γ-Al2O3 was prepared and tested separately with two prepared conventional HDS catalysts (Ni-Mo/ γ-Al2O3 and Co-Mo//γ-Al2O3) by using a pilot plant hydrotreatment unit.
Abdul Halim A. Karim Mohammed +2 more
doaj
Coke Decomposition Kinetic Model of Spent Hydrodesulfurization Catalysts [PDF]
Recycling residue hydrodesulfurization (HDS) catalysts is essential due to frequent deactivation. Petroleum coke's high ignition temperature and complex combustion behavior stem from its graphite-like structure and low volatile matter.
Aymen Zween +2 more
doaj +1 more source
Atomically thin two-dimensional (2D) transition metal dichalcogenides (TMDCs) are attractive materials for next generation nanoscale optoelectronic applications.
Crumrine, W. +8 more
core +2 more sources

