Results 41 to 50 of about 2,404 (202)

Oxidative Dehydrogenation of Ethylbenzene over Iron‐Based Catalysts: Challenges, Prospects, and Future Trends

ChemCatChem, EarlyView.
This review discusses different aspects of the oxidative dehydrogenation reaction of ethylbenzene to styrene over iron‐based oxides, emphasizing the properties of the catalysts and the participation of active sites, as well as the deactivation and regeneration processes using soft oxidants.
Johnatan de Oliveira Soares, Felipe Fernandes Barbosa, Tiago Pinheiro Braga   +2 more
wiley   +1 more source

Utilization of petroleum coke and petroleum coke/coal blends as a means of steam raising

Fuel Processing Technology, 1995
A glut of petroleum coke has made it an attractive source of cheap Btu's, either as the primary fuel or as a coal/coke blend for generating steam. Petroleum coke, unlike coal, is low in volatiles and contains substantial concentrations of vanadium, nickel, and sulfur, which can be sources of combustion and fireside fouling or corrosion problems if not ...
openaire   +2 more sources

A Supply and Use Model for Estimating the Contribution of Costs to Energy Prices

Energies, 2022
This paper develops a supply and uses a model to estimate the direct and indirect contribution of costs to the formation of energy prices. The model is implemented into the Greek economy based on data from the supply and use tables.
Nikolaos Rodousakis, George Soklis, Theodore Tsekeris   +2 more
doaj   +1 more source

Energy‐Saving Dehydration of Primary Alcohol Under the Formation of Alkenes via a Bifunctional Clay Catalyst

ChemCatChem, EarlyView.
A commercial acid‐leached bentonite is used in the dehydration reaction of alcohols. A yield of 52% in the alkene formation was observed with FULCAT®‐22 F. IR spectroscopy revealed changes in Brønsted and Lewis acid sites with temperature, driving the reaction to different yields.
Margherita Cavallo, Adil Allahverdiyev, Melodj Dosa, Oscar Kelly, Valentina Crocellà, Francesca Bonino, Harald Gröger   +6 more
wiley   +1 more source

Fatigue behaviour of coke drum materials under thermal-mechanical cyclic loading

Theoretical and Applied Mechanics Letters, 2014
Coke drums are vertical pressure vessels used in the delayed coking process in petroleum refineries. Significant temperature variation during the delayed coking process causes damage in coke drums in the form of bulging and cracking.
Jie Chen, Zihui Xia
doaj   +1 more source

Graph‐Based High‐Throughput Framework for Screening Selective Propane Dehydrogenation Catalysts

ChemCatChem, EarlyView.
Computational screening of intermetallic alloys using graph theory‐based tools and descriptor‐based approaches to identify selective catalysts for propane dehydrogenation. Abstract High‐throughput computational screening is a powerful approach in accelerating the identification of highly selective and stable catalysts.
Ranga Rohit Seemakurthi, Siddharth Deshpande, David P. Dean, Jessica A. Muhlenkamp, Ryan N. Alcala, Aubrey L. Jeffries, Russell J. Clarke, Isha S. Chavan, Justin Senyk, Yinan Xu, Anne Serban, Casey P. O Brien, Abhaya K. Datye, Jason C. Hicks, Jeffrey T. Miller, Jeffrey Greeley   +15 more
wiley   +1 more source

Kiln Firing of Fluid petroleum Coke

Materiales de Construccion, 1956
Las características del coque de petróleo –elevada capacidad calorífica, pequeña cantidad de materia volátil y pequeño contenido de cenizas- hacen adecuado su empleo como combustible. Realizando la cocción de forma adecuada se obtiene un clinker normal.
R.M. Cornforth, E.R. Lee
doaj   +1 more source

Density, viscosity, and stability of products from combinations of visbreaking and deasphalting

The Canadian Journal of Chemical Engineering, EarlyView.
Abstract Transporting bitumen through pipelines in Western Canada is cost intensive because the oil has to be diluted with light solvents to meet pipeline specifications. The diluent requirement can be reduced by visbreaking (VIS) and solvent deasphalting (SDA), each of which decrease the viscosity and density of the oil.
Jose Beleno, Florian F. Schoeggl, Darius Remesat, Harvey W. Yarranton   +3 more
wiley   +1 more source

Thermal Treatment of Syrian Sponge Coke

Journal of King Saud University: Engineering Sciences, 2006
Samples of Syrian sponge coke were thermally treated at high temperatures and increased residence time. A coke of higher quality was thereby obtained, with reduced sulphur content and higher real density.
Hassan Al-Haj Ibrahim
doaj  

Bioelectrochemical treatment of oil sands process‐affected water: A comparative study

The Canadian Journal of Chemical Engineering, EarlyView.
Comparative Efficiency of microbial fuel cell, microbial electrolysis cell, and microbial electrosynthesis cell systems for oil sands process‐affected water treatment. Abstract In this study, removal of dissolved organic carbon and naphthenic acids (NAs) from oil sands process‐affected water (OSPW) was evaluated in flow‐through microbial fuel cell (MFC)
Louis‐B. Jugnia, Dominic Manno, Jie Sui, Xiaomeng Wang, Boris Tartakovsky   +4 more
wiley   +1 more source