Reverse flotation of non-coking coal fines using non-ionic surfactant triton X-100 as depressant
Sign Up to like & getrecommendations! Published in 2020 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2020.125794
Abstract: Abstract A novel approach to apply Triton X-100 (TX-100) surfactant as depressant in reverse flotation of non-coking coal fines, which is different from the conventional use of dextrin as an depressant. Fourier transformed infrared spectroscopy… read more here.
Keywords: non coking; triton 100; flotation non; coking coal ... See more keywords
Effects of Fe2O3 addition on the thermoplasticity and structure of coking coal matrix during thermoplastic stage of pyrolysis
Sign Up to like & getrecommendations! Published in 2020 at "Fuel"
DOI: 10.1016/j.fuel.2019.116305
Abstract: Abstract Effects of Fe2O3 addition on the thermoplasticity and structure of coking coal matrix were performed by blending Fe2O3 with coking coal matrix during thermoplastic stage of pyrolysis. Thermoplasticity and thermal behavior of coal matrix… read more here.
Keywords: coking coal; thermoplastic stage; coal; thermoplasticity ... See more keywords
Energy-size reduction of mixtures of anthracite and coking coal in Hardgrove mill
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DOI: 10.1016/j.fuel.2019.116829
Abstract: Abstract Aiming to maximize the utilization of coal resource, heterogeneous grinding of coal in various coalification degrees is common. Interaction among particles of different coals in mixture breakage results in changes of energy-size reduction characteristics… read more here.
Keywords: size reduction; energy; coking coal; breakage ... See more keywords
Effect of preheating on coking coal and metallurgical coke properties: A review
Sign Up to like & getrecommendations! Published in 2021 at "Fuel Processing Technology"
DOI: 10.1016/j.fuproc.2021.106942
Abstract: Abstract This study provides a review on research for improving the properties and qualities of coking coal and metallurgical coke using preheating. Factors such as coal type, preheating temperature, and heating rate significantly impact its… read more here.
Keywords: coal metallurgical; metallurgical coke; preheating coking; coal ... See more keywords
Devolatilization behaviour and pyrolysis kinetics of coking coal based on the evolution of functional groups
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Analytical and Applied Pyrolysis"
DOI: 10.1016/j.jaap.2018.06.025
Abstract: Abstract Knowledge of the mechanism of coking coal can improve coke and tar production in the coking industry. The evolution of six main functional groups in two coking coals with different ranks was investigated by… read more here.
Keywords: evolution; pyrolysis; coking coal; coking coals ... See more keywords
New flotation flowsheet for recovering combustible matter from fine waste coking coal
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2019.03.324
Abstract: Abstract Fine waste coking coal (FWCC) is a high-ash-content by-product produced in large quantities during separation of raw coking coal and deposited in open air without treatment, causing environmental hazards and energy waste. The main… read more here.
Keywords: flotation; ash content; waste; clean coal ... See more keywords
Coking coal mining investment: Boosting European Union's raw materials initiative
Sign Up to like & getrecommendations! Published in 2018 at "Resources Policy"
DOI: 10.1016/j.resourpol.2018.01.012
Abstract: Abstract In 2014, the list of Critical Raw Materials for the European Union included for the first time an energy fossil resource: coking coal. Its presence was due to its high economic importance, being the… read more here.
Keywords: coal; coal mining; coking coal; european union ... See more keywords
Role of Gas Coal in Directional Regulation of Sulfur during Coal-Blending Coking of High Organic-Sulfur Coking Coal
Sign Up to like & getrecommendations! Published in 2020 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.9b03737
Abstract: A high organic-sulfur coking coal and two high-volatile gas coals were selected to partially replace a low-sulfur coking coal in an industrial coal blend. The effects of various coal properties on ... read more here.
Keywords: sulfur coking; coking coal; organic sulfur; coal ... See more keywords
Study on Adsorption Characteristics of Deep Coking Coal Based on Molecular Simulation and Experiments
Sign Up to like & getrecommendations! Published in 2023 at "ACS Omega"
DOI: 10.1021/acsomega.2c06593
Abstract: To study the effect of high temperature and high pressure on the adsorption characteristics of coking coal, Liulin coking coal and Pingdingshan coking coal were selected as the research objects, and isotherm adsorption curves at… read more here.
Keywords: adsorption; coking coal; temperature; pressure ... See more keywords
Synthesis of an industrial by-product-based polymeric additive for use with non-coking coal in metallurgical coke making and a combined density functional theory assessment of its molecular mechanism in fluidity development.
Sign Up to like & getrecommendations! Published in 2021 at "Soft matter"
DOI: 10.1039/d0sm02206c
Abstract: Recently, the utilization of inferior grade coal for the production of fuel-based materials, i.e., metallurgical coke, is an exciting research area in the industrial sector because of the limited reserves of prime coking coal worldwide.… read more here.
Keywords: coking coal; metallurgical coke; polymeric additive; coal ... See more keywords
Model for the rheological parameters of coking coal and water slurry with calcium hydroxide additive
Sign Up to like & getrecommendations! Published in 2019 at "Particulate Science and Technology"
DOI: 10.1080/02726351.2019.1662528
Abstract: Abstract Coking coal is extensively utilized in steel manufacturing industries for the preparation of coke because of their quality of leaving very less ash after burning. The effect of chemical additive, hydrated lime (for 0.05,… read more here.
Keywords: coal water; rheology; coking coal; ccws ... See more keywords