The Role of Coke as the Crystal Structure Protective Agent in the Synthesis of CHA Zeolites from Spent MFI
Sign Up to like & getrecommendations! Published in 2019 at "Catalysis Letters"
DOI: 10.1007/s10562-019-03068-z
Abstract: Abstract The CHA zeolites were synthesized using coke-free and coke-containing spent MFI zeolites via the steam-assisted dry gel conversion method. The results indicate that the coke within the spent MFI precursor has played a vital… read more here.
Keywords: crystal structure; coke; spent mfi; mfi ... See more keywords
Heat Losses in the Cooling System and Consumption of Coke to Compensate for Them in Blast Furnaces of Various Volumes
Sign Up to like & getrecommendations! Published in 2019 at "Metallurgist"
DOI: 10.1007/s11015-019-00815-w
Abstract: Data analysis has been performed concerning the limiting values of heat losses in the cooling system and consumption of coke to compensate for them in the blast furnaces, depending on their volume, technical condition, and… read more here.
Keywords: heat losses; consumption coke; coke; coke compensate ... See more keywords
Investigation on the Microstructure, Thermal Strength and Gasification Mechanism of Modified Ferro-Coke with Coal Tar Pitch
Sign Up to like & getrecommendations! Published in 2020 at "Metallurgical and Materials Transactions B"
DOI: 10.1007/s11663-020-01867-z
Abstract: Ferro-coke is prepared by the slight coking of coal and iron ore. It is a new type of fuel used for blast furnace ironmaking for the purpose of energy saving and emission reduction. However, with… read more here.
Keywords: strength; coke; coal tar; ferro coke ... See more keywords
The Interfacial Behavior Between Coke and Liquid Iron: A Comparative Study on the Influence of Coke Pore, Carbon Structure and Ash
Sign Up to like & getrecommendations! Published in 2020 at "JOM"
DOI: 10.1007/s11837-020-04048-0
Abstract: Identifying key factors governing the dissolution rate of metallurgical coke into liquid iron is important for sustainable developments of blast furnace iron-making. This study investigated the metallurgical coke dissolution into liquid iron by comparing the… read more here.
Keywords: carbon structure; iron; dissolution; coke ... See more keywords
Modeling, thermodynamic and techno-economic analysis of coke production process with waste heat recovery
Sign Up to like & getrecommendations! Published in 2017 at "Energy"
DOI: 10.1016/j.energy.2017.09.105
Abstract: Coke production is high energy consuming and accounts for around 10% of the energy demand in the iron and steel industry. A large amount of the thermal energy in the coke production process is lost… read more here.
Keywords: coke production; production process; coke; energy ... See more keywords
Identification of preferential pathways in the pore microstructure of metallurgical coke and links to anisotropic strength properties
Sign Up to like & getrecommendations! Published in 2021 at "Fuel"
DOI: 10.1016/j.fuel.2021.120688
Abstract: Abstract This paper has examined whether there are preferred pathways in the pore microstructure of coke. By modelling permeability and tortuosity in the digitised 3D structure obtained from 3D X-ray micro CT analysis of coke… read more here.
Keywords: coke; direction; pathways pore; strength ... See more keywords
A comprehensive investigation of the influence of clay minerals on oxidized and pyrolyzed cokes in in situ combustion for heavy oil reservoirs
Sign Up to like & getrecommendations! Published in 2021 at "Fuel"
DOI: 10.1016/j.fuel.2021.121168
Abstract: Abstract Coke is the most important intermediate product during an in situ combustion for maintaining the combustion front stability. Coke is classified as oxidized and pyrolyzed based on the reaction mechanism. The clay minerals exhibit… read more here.
Keywords: coke; combustion; reaction; clay minerals ... See more keywords
Mapping the coke formation within a zeolite catalyst extrudate in space and time by operando computed X-ray diffraction tomography
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2021.07.001
Abstract: Abstract We have used operando X-ray diffraction computed tomography (XRD-CT) analysed by rigorous crystallographic methods to reveal the behaviour of a zeolite/alumina based catalyst extrudate in the methanol-to-hydrocarbon reaction under working conditions (Treaction = 440 °C; ambient total… read more here.
Keywords: ray diffraction; coke; catalyst extrudate; catalyst ... See more keywords
Effect of coke rate and basicity on computed tomography-measured pore parameters and effective thermal conductivity of iron ore sinter
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Research and Technology"
DOI: 10.1016/j.jmrt.2019.10.013
Abstract: Abstract During iron ore sintering structural transformation occurs as liquid melt is formed in flame front. This study aimed to compare differences in X-ray computed tomography (XCT) measured pore parameters, and examine relationships between pore… read more here.
Keywords: coke; thermal conductivity; sinter; pore parameters ... See more keywords
Steam Cracking Coke Properties and Their Influence on Furnace Run Length Predictions: Experimental and Modeling Study
Sign Up to like & getrecommendations! Published in 2020 at "Industrial & Engineering Chemistry Research"
DOI: 10.1021/acs.iecr.0c04727
Abstract: Although coke formation is one of the most important problems that the steam cracking process still faces, the properties of the formed coke have hardly been studied over the past decade. For some ... read more here.
Keywords: cracking coke; coke; influence furnace; coke properties ... See more keywords
Characteristics and Properties of Coke Formed by Low-Temperature Oxidation and Thermal Pyrolysis during in Situ Combustion
Sign Up to like & getrecommendations! Published in 2020 at "Industrial & Engineering Chemistry Research"
DOI: 10.1021/acs.iecr.9b05635
Abstract: In order to understand the mechanism of in situ combustion, many studies have investigated the characteristics and properties of oxidized coke and pyrolyzed coke. However, in earlier research, the influence of light hydrocarbon and other… read more here.
Keywords: coke; temperature; oxidized coke; pyrolyzed coke ... See more keywords