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Journal articles on the topic 'Petroleum coke slags'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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1

Duchesne, Marc A., Alexander Y. Ilyushechkin, Robin W. Hughes, et al. "Flow behaviour of slags from coal and petroleum coke blends." Fuel 97 (July 2012): 321–28. http://dx.doi.org/10.1016/j.fuel.2012.02.019.

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2

Wang, Liang, Hongzhu Quan, and Qiuyi Li. "Effect of Solid Waste-Petroleum Coke Residue on the Hydration Reaction and Property of Concrete." Materials 12, no. 8 (2019): 1216. http://dx.doi.org/10.3390/ma12081216.

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Taking advantage of the desulfurization petroleum coke residue obtained from circulating fluidized bed boiler technology to replace a part of cement clinker and prepare the concrete can not only reduce the production of cement clinker and related CO2 emissions, but can also improve the utilization rate and utilization level of petroleum coke waste, which has good environmental and economic benefits. In this study, through the comprehensive analysis of a compressive strength test, X-ray diffraction test, and Cl− penetration resistance test, the hydration mechanism of desulfurized petroleum coke

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3

Chen, Guan Yu, and Wei Hsing Huang. "Investigation on Blending CFB Ash with Blast Furnace Slag as Replacement for Portland Cement Used in Concrete Binders." Advanced Materials Research 723 (August 2013): 623–29. http://dx.doi.org/10.4028/www.scientific.net/amr.723.623.

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Circulating Fluidized Bed (CFB) Boiler is a means of energy-generating process by burning petroleum coke. In order to avoid blazed petroleum coke with high sulfur content from emitting overdosed sulfur dioxide, limestone is introduced in the boiler for desulfuration. The residue collected from the boiler is called CFB ash. In accordance with different boiler position, CFB ashes can be classified as fly ash and bed ash, and both have similar chemical compositions, with high contents of gypsum and calcium oxide. In this study, CFB ash (fly ash) is mixed with blast furnace slag (BFS) as a substit

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4

D’Souza, Suzanna A., Shubhadeep Banik, Hari B. Vuthaluru, and Sarma V. Pisupati. "Comparison of Natural and Synthetic Petroleum Coke Slag Viscosities under Reducing Conditions: Applicability of Predictive Models Using Factsage and Modified Urbain Model." Fuels 2, no. 1 (2021): 37–47. http://dx.doi.org/10.3390/fuels2010003.

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The viscosity of slag from an operating integrated gasification combined cycle (IGCC) plant utilising petroleum coke and a synthetic petcoke slag with the same composition made from chemical grade oxides in a reducing environment for gasification application were investigated in this study. A high temperature rotating bob-type viscometer was used to measure viscosity between temperatures of 1250–1375 °C. Natural and synthetic ash had similar viscosities above 1300 °C in this study. The viscosity was predicted by using FactSage, a thermodynamic modelling software, in conjunction with different

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5

Liu, Shiyuan, Weihua Xue, and Lijun Wang. "Extraction of the Rare Element Vanadium from Vanadium-Containing Materials by Chlorination Method: A Critical Review." Metals 11, no. 8 (2021): 1301. http://dx.doi.org/10.3390/met11081301.

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Vanadium as a rare element has a wide range of applications in iron and steel production, vanadium flow batteries, catalysts, etc. In 2018, the world’s total vanadium output calculated in the form of metal vanadium was 91,844 t. The raw materials for the production of vanadium products mainly include vanadium-titanium magnetite, vanadium slag, stone coal, petroleum coke, fly ash, and spent catalysts, etc. Chlorinated metallurgy has a wide range of applications in the treatment of ore, slag, solid wastes, etc. Chlorinating agent plays an important role in chlorination metallurgy, which is divid

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6

Laungsakulthai, Kitti, Thanapon Chandakhiaw, Natcha Wongnaree, Jirapracha Thampiriyanon, Woranittha Kritsarikun, and Sakhob Khumkoa. "Smelting Reduction of Spent Catalyst Containing Nickel: A Preliminary Study." Materials Science Forum 1009 (August 2020): 162–67. http://dx.doi.org/10.4028/www.scientific.net/msf.1009.162.

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The aim of this research was to study the recycling process and the feasibility to smelt the spent nickel catalyst for the production of nickel alloy or ferronickel. The smelting process was carried out in a laboratory induction furnace. The effects of SiO2/CaO for slag forming on metal recovery and smelting time were investigated. Petroleum coke was used as reductant. Mill scale was used as an iron resource for ferro-alloy production, while CaO was used as slag forming agent. The raw materials were mixed together and put into a graphite crucible, which was then placed in the induction furnace

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7

Su, Dunlei, Gongbing Yue, Qiuyi Li, Yuanxin Guo, Song Gao, and Liang Wang. "Research on the Preparation and Properties of High Belite Sulphoaluminate Cement (HBSAC) Based on Various Industrial Solid Wastes." Materials 12, no. 9 (2019): 1510. http://dx.doi.org/10.3390/ma12091510.

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In this study, a variety of industrial solid wastes, including petroleum coke desulfurization slag, fly ash and carbide slag with natural resource bauxite, were used as raw materials to prepare high belite suphoaluminate cement, which contains a certain CaSO4 content without adding natural gypsum to the clinker. The sintering temperature, mineral composition, and the physical and mechanical properties of the cement clinkers were investigated. The techniques adopted included a comprehensive thermal analysis (DSC-TG), X-ray diffraction (XRD), X-ray fluorescence (XRF) and scanning electron micros

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8

Chu, Yong Sik, Soo Hyun Park, Sung Kwan Seo, and Jae Wan Park. "Properties of Shrinkage Reducing Agent and Mortar with C12A7-based Slag and Petroleum Cokes Ash." Journal of the Korean Ceramic Society 50, no. 5 (2013): 319–25. http://dx.doi.org/10.4191/kcers.2013.50.5.319.

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9

Othman, Nor Fadzilah, and Mohd Hariffin Boosroh. "Mineral Matter Study in Adaro Coal-EFB Blends to Mitigate Ash Slagging Problem in the Gasification Process." Advanced Materials Research 845 (December 2013): 18–21. http://dx.doi.org/10.4028/www.scientific.net/amr.845.18.

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Ash is a by-product of solid fuels (eg. coal, biomass, petroleum coke) gasification, which can contribute to the gasifier performance. Continuous formation of ash slag will further accumulate and cause plant outage. In relation to that problem, this study is conducted to mitigate the formation of ash slag in gasifier. Adaro coal from Indonesia and empty fruit bunch (EFB) were used as blends. EFB is used to promote the utilisation of renewable energy source and to reduce the Green House Gas Emission (eg. CO2). Adaro coal and EFB; and 4 blended fuels from Adaro:EFB at blending ratios of 80:20, 8

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10

Su, Dunlei, Qiuyi Li, Yuanxin Guo, Gongbing Yue, and Liang Wang. "Effect of Residual CaSO4 in Clinker on Properties of High Belite Sulfoaluminate Cement Based on Solid Wastes." Materials 13, no. 2 (2020): 429. http://dx.doi.org/10.3390/ma13020429.

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The high belite sulfoaluminate cement (HBSAC) containing CaSO4, and without CaSO4, based on solid wastes were successfully prepared from petroleum coke desulfurization slag (PCDS), fly ash (FA), carbide slag (CS), and bauxite (BX). The mineral composition of clinkers after different calcination history were investigated by X-ray fluorescence (XRF), X-ray diffraction (XRD)/Quantitative X-ray diffraction (QXRD), and scanning electron microscopy (SEM), so as to determine the calcination temperatures. The difference between residual CaSO4 and dihydrate gypsum (DG) and the optimal content of residu

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11

Belskii, Sergei S., and Nina V. Nemchinova. "Thermodynamic Model of Silicon Smelting in Ore-Smelting Furnaces." Materials Science Forum 989 (May 2020): 504–10. http://dx.doi.org/10.4028/www.scientific.net/msf.989.504.

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Silicon production by silica-containing raw material reduction by carbon in ore-smelting furnaces (OSF) is a complex pyro-metallurgic process. Silicon is produced in a system consisting of charge, furnace electrodes, air, melt, slag, and gases at temperatures above 2000°C, which generates silicon monoxide and carbide unavoidably. The finished product contains impurities (Fe, Ca, Al, Ti, etc.) in small amounts; however, it is still unknown for sure how impurities, contained in raw materials, behave and interact with each other and with silicon. To analyze the distribution of charge components d

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12

Shen, Zhongjie, Qinfeng Liang, Jianliang Xu, Haifeng Liu, and Kuangfei Lin. "Study on the Fragmentation Behaviors of Deposited Particles on the Molten Slag Surface and Their Effects on Gasification for Different Coal Ranks and Petroleum Coke." Energy & Fuels 32, no. 9 (2018): 9243–54. http://dx.doi.org/10.1021/acs.energyfuels.8b02053.

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13

Wassmuth, F. R., K. A. Green, and L. Randall. "Details of In-Situ Foam Propagation Exposed With Magnetic Resonance Imaging." SPE Reservoir Evaluation & Engineering 4, no. 02 (2001): 135–45. http://dx.doi.org/10.2118/71300-pa.

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Summary This paper demonstrates the application of magnetic resonance imaging (MRI) to steady- and unsteady-state foam flow in porous media. Foam corefloods with and without surfactant preadsorption are discussed. The MRI instrument proved to be a useful tool in determining the in-situ saturation distributions during foam-flow experiments, with resolutions unmatched by other imaging techniques. Introduction In situations where the effective foam-bubble radius is comparable to or larger than the pore-size radius of the porous medium, the foam is classified as confined foam. These types of foams

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14

Li, Fu-Min, Ming-Qing Hua, Yan-Chen Wei, et al. "Insight into the oxidative desulfurization of high-sulfur petroleum coke under mild conditions: a journey of vanadium-substituted Dawson-type phosphotungstic acid." Petroleum Science, February 12, 2021. http://dx.doi.org/10.1007/s12182-021-00553-2.

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AbstractHigh-sulfur petroleum coke (HSPC), that is a by-product from slag oil in the coking process of refining, shows versatility values in practical applications and, however, concentrates the majority of organic sulfur. Herein, we design and construct a highly effective CTAB@HPA composites to be explored for the catalytic oxidative desulfurization of HSPC under mild conditions using hydrogen peroxide as the oxidant and 1-butyl-3-methylimidazole tetrafluoroborate ionic liquid as the extractant. The results demonstrate that the sulfur content of HSPC could be strikingly reduced from 4.46 wt%

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15

Keogh, Luke. "The First Four Wells: Unconventional Gas in Australia." M/C Journal 16, no. 2 (2013). http://dx.doi.org/10.5204/mcj.617.

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Unconventional energy sources have become increasingly important to the global energy mix. These include coal seam gas, shale gas and shale oil. The unconventional gas industry was pioneered in the United States and embraced following the first oil shock in 1973 (Rogers). As has been the case with many global resources (Hiscock), many of the same companies that worked in the USA carried their experience in this industry to early Australian explorations. Recently the USA has secured significant energy security with the development of unconventional energy deposits such as the Marcellus shale ga

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