Coal Test Articles
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Hydrogen plays a key role in the European Green Deal
European Commission President Ursula von der Leyen launched the European Green Deal last Wednesday, on 11 December. The goal is ambitious. If the European Green Deal becomes reality, the European Union will become climate neutral by 2050. To reach the goal, the EU will have to overturn almost every policy area. Europe inevitably needs hydrogen to reach this arduous goal. Looking at the ...
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How coke is created in a coal testing oven or pilot plant
Thanks to huge advances in metallurgy over the last three decades, 21st century steel production is transforming the globe and the built environment. Of course, a major part of the steel production process is the use of coke, which provides as much as 80% of the furnace's thermal requirements, the majority of the furnace's CO gas (which acts as a reducing reagent) and carbon for dissolution in ...
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Airex Energy supply biocoal pellets to Portland General Electric’s Boardman Plant
Continuing its years-long investigation of whether torrefied biomass could extend its life, Boardman Power Station is prepping to undergo a substantive test burn. Trial by Fire Boardman Power Station is feeling the heat. The last operating coal-burning power station in Oregon, the relatively young, 550-MW plant has faced much pressure and scrutiny regarding its ultimate fate, which must be ...
By Airex Energy
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Petrological characteristics of lower Gondwana coal from Singrauli coalfield, Madhya Pradesh, India
This paper entails the results of petrological studies carried out on coal samples drawn from two lower Gondwana coal bearing horizons (Raniganj formation and Barakar formation) of the Singrauli coalfield, Son basin. It emerges from this study that the coals of this basin are banded in nature and are dominated by ‘banded dull’ and ‘dull’ components. Further, vitrinite and inertinite are the ...
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Influences of temperature and moisture on coal sorption characteristics of a bituminous coal from the Sydney Basin, Australia
Accurate testing of coal isotherms plays a significant role in the areas of coal seam gas drainage, outburst control, CO 2 geo-sequestration, coalbed methane (CBM) and enhanced coalbed methane recovery (ECBM). Coal isotherms were tested with CO 2 and CH 4 gases with a modified indirect gravimetric method in the University of Wollongong (UOW), Australia. The adsorption capacity of coal ...
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The structural break and elasticity of coal demand in China: empirical findings from 1980-2006
Coal is the principal primary energy source in China. Research on coal demand is vital for informing China's economic development. In this paper, the theoretical structural break of coal demand was tested using annual time series data from 1980 to 2006. Results indicate that coal demand underwent an intercept structural break during the period 1997-2000 (from −0.536 breaking to −0.702). Then ...
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Laboratory scale tests of coal-based hydrogen production with CO2 capture in the aspect of clean coal technologies
In the light of continuously increasing oil prices as well as stronger environmental regulations, an important issue becomes finding an alternative to fossil fuels. Scientists agree that hydrogen seems to be an ideal, price-competitive and environment-friendly future energy carrier. One of the most effective methods of hydrogen production is the process of steam gasification of coal to ...
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Experimental studies on hydrophobic flocculation of coal fines in aqueous solutions and flotation of flocculated coal
Hydrophobic flocculation of fine bituminous coal particles in aqueous solutions under mechanical conditioning and without any surfactants has been experimentally studied through the measurements of aggregative efficiency, zeta potential and contact angle in this work. The results have shown that the hydrophobic coal fines strongly aggregated in a wide pH range (3.5?9.5), even though the particle ...
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