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Fuel Processing Technology, ISSN 0378-3820, 11/2013, Volume 115, pp. 88 - 98
Journal Article
International Journal of Hydrogen Energy, ISSN 0360-3199, 11/2016, Volume 41, Issue 41, pp. 18797 - 18806
Direct carbon fuel cells offer the opportunity of generating energy from coal at high efficiency as an alternative to the procedure of conventional power... 
Direct carbon fuel cells | Anthracite coal | Durability | Maximum power density | Bituminous coal | ELECTROCHEMISTRY | ENERGY & FUELS | PERFORMANCE | BROWN-COAL | DIRECT CONVERSION | CHEMISTRY, PHYSICAL | POWER | ASH-FREE COAL | OPERATION | ANODE | Electric power-plants | Fuel cell industry | Hydrogen | Fuel cells | Carbonates | Power plants
Journal Article
Fuel Processing Technology, ISSN 0378-3820, 2004, Volume 85, Issue 8, pp. 947 - 967
Research and process development to produce the ash-free coal (Hyper-coal, HPC) has been carrying out since 1999. A new cost-effective process (Hyper-coal... 
Solvent de ashing | Hyper-coal | Ash-free coal | Thermal coal extraction | hyper-coal | ENGINEERING, CHEMICAL | ROOM-TEMPERATURE | EXTRACTION | solvent de ashing | MIXED-SOLVENT | ENERGY & FUELS | ash-free coal | thermal coal extraction | RANK | CHEMISTRY, APPLIED
Journal Article
Energy & Fuels, ISSN 0887-0624, 08/2012, Volume 26, Issue 8, pp. 5028 - 5035
This paper addressed the influences of hydrothermal treatment and particle size on the demineralization extent of Victorian brown coal for the generation of... 
TRANSFORMATION | ENGINEERING, CHEMICAL | ELEMENTS | ACID | PRETREATMENT | TEMPERATURE | ENERGY & FUELS | MINERAL MATTER | ASH-FREE COAL | SODIUM-HYDROXIDE | MOSSBAUER | SOLVENT-EXTRACTION | Demineralizing | Particle size | Elution | Coal mines | Lignite | Brown coal | Coal | Extraction | Citric acid
Journal Article
Energy & Fuels, ISSN 0887-0624, 01/2011, Volume 25, Issue 1, pp. 1 - 16
The state-of-the-art of two coal demineralization technologies, acid/alkali leaching for ultraclean coal (UCC) and solvent extraction for hypercoal (HPC), has... 
ENGINEERING, CHEMICAL | LOW-GRADE COALS | THERMAL EXTRACTION YIELD | VICTORIAN BROWN-COAL | TRACE-ELEMENTS | 4 US COALS | ENERGY & FUELS | ASH-FREE COAL | ASHLESS COAL | SOLVENT-EXTRACTION | ULTRA-CLEAN-COAL | CATALYTIC STEAM GASIFICATION
Journal Article
Applied Thermal Engineering, ISSN 1359-4311, 10/2015, Volume 89, pp. 843 - 852
Among the IGCC power plant shut-down causes, fly ash and slag handling part of gasification process account for most of them. Therefore, thermo-economic... 
Economic analysis | Ash free coal | CO2 capture | IGCC | CO 2 capture | DESIGN | ENERGY | ENERGY & FUELS | POWER-PLANT | IGCC PLANT | SNG | ENGINEERING, MECHANICAL | CCS | MECHANICS | THERMODYNAMICS | Electric power-plants | Analysis | Power plants | Electric power plants | Electric power generation | Coal | Carbon dioxide | Gasification | Carbon capture and storage | Igcc | Cost engineering
Journal Article
Fuel, ISSN 0016-2361, 01/2014, Volume 117, pp. 1181 - 1189
[Display omitted] •Under inert gas K2CO3 reacts with ash-free coal with the release of CO.•In absence of reaction gas, O2 bound in carbonate serves as... 
Catalytic gasification | K2CO3 | Reaction mechanism | Ash-free coal | X-ray diffraction analysis | Reduction | Atmospheres | Diffraction | Catalysts | Heating | Coal | Carbon dioxide | Gasification
Journal Article
International Journal of Hydrogen Energy, ISSN 0360-3199, 06/2014, Volume 39, Issue 17, pp. 9212 - 9220
Journal Article
International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM, ISSN 1314-2704, 2017, Volume 17, Issue 42, pp. 659 - 666
Conference Proceeding
FUEL, ISSN 0016-2361, 01/2014, Volume 117, pp. 1181 - 1189
The interactions of K2CO3 with ash-free coal in N-2 or CO2 atmospheres were studied at 700 degrees C by thermogravimetry and in situ X-ray diffraction. Upon... 
MECHANISM | ENERGY & FUELS | MINERAL MATTER | CHAR | GRAPHITE | STEAM GASIFICATION | POTASSIUM CARBONATE | Catalytic gasification | ENGINEERING, CHEMICAL | KINETICS | K2CO3 | Reaction mechanism | ALKALI CATALYST | Ash-free coal | X-ray diffraction analysis
Journal Article
International Journal of Hydrogen Energy, ISSN 0360-3199, 06/2016, Volume 41, Issue 20, pp. 8576 - 8582
Direct carbon fuel cell (DCFC), as a high efficiency and low emissions power generation device, can convert the chemical energy stored in coal directly into... 
Pyrolysis | Direct carbon fuel cell | Performance | Bituminous coal | GASES | ELECTROCHEMISTRY | CONVERSION | ENERGY & FUELS | CHEMISTRY, PHYSICAL | ASH-FREE COAL | Fuel cell industry | Analysis | Fuel cells | Fine chemicals | Force and energy | Combustion | Electric power production | X-ray spectroscopy | Fourier transforms | Coal | Fuels | Carbon | Anodes | Ashes
Journal Article
Asia‐Pacific Journal of Chemical Engineering, ISSN 1932-2135, 11/2016, Volume 11, Issue 6, pp. 1001 - 1011
In order to produce ash‐free coal (AFC) from three Turkish coals, solvent extraction of coals using 1‐methylnaphthalene (1‐MN) at different temperatures were... 
solvent extraction | 1‐methylnaphthalene | ash‐free coal | coal | response surface methodology | 1-methylnaphthalene | ash-free coal | ROOM-TEMPERATURE | FILTRATION | ENGINEERING, CHEMICAL | THERMAL EXTRACTION | PRETREATMENT | ACID TREATMENT | HYPERCOAL | LOW-RANK COALS | Quinoline | Analysis | Methods | Solvents | Efficiency | Chemical engineering | Coal | Robustness | Response surface methodology | Solvent extraction
Journal Article
Electrochimica Acta, ISSN 0013-4686, 01/2014, Volume 115, pp. 511 - 517
•Investigation of a direct carbon fuel cell (DCFC) using raw and ash-free coal fuels.•Enhanced durability of a DCFC performance using ash-free... 
Raw coal | Direct carbon fuel cell | Durability | Ash-free coal | Impurity | CARBON FUELS | OXIDATION | ELECTROCHEMISTRY | CONVERSION | GASIFICATION | CHAR | ANODE | Electrochemistry | Electrochemical reactions | Fuel cell industry | Fuel cells | Transmission electron microscopy | Coal | Raw | Carbon | Density | X-ray photoelectron spectroscopy
Journal Article
The Canadian Journal of Chemical Engineering, ISSN 0008-4034, 04/2017, Volume 95, Issue 4, pp. 623 - 633
In this study, performance of ash‐free coal (AFC) was evaluated for chemical looping combustion (CLC) using CuO as an oxygen carrier during reduction and... 
chemical looping combustion (CLC) | ash‐free coal (AFC) | reduction/oxidation and CLC mechanism | copper oxide (CuO) | ash-free coal (AFC) | ENGINEERING, CHEMICAL | SOLID FUELS | CARBON | OXYGEN-CARRIER | GASIFICATION | CUO | Carriers | Reduction | Oxygen | Fluidized bed combustion | Combustion | Oxidation | Decomposition | Ashes | Coal | Reaction mechanisms
Journal Article
International Journal of Hydrogen Energy, ISSN 0360-3199, 06/2018, Volume 43, Issue 24, pp. 10991 - 11001
This study aims to examine the char-steam reactions in-situ, following the pyrolysis process of a demineralized coal in a micro fluidized bed reactor, with... 
Gasification | Kinetics | Demineralized coal | Char | Steam | ELECTROCHEMISTRY | COMBUSTION | CARBON | REACTION ANALYZER | ENERGY & FUELS | BROWN-COAL | REACTIVITY | CHEMISTRY, PHYSICAL | MICRO-FLUIDIZED-BED | CO2 GASIFICATION | ASH-FREE COALS | Pyrolysis | Activation energy | Analysis
Journal Article
The Canadian Journal of Chemical Engineering, ISSN 0008-4034, 01/2018, Volume 96, Issue 1, pp. 250 - 258
Journal Article