Articles with "coal" as a keyword



Photo by kellysikkema from unsplash

Co‐Carbonization of Medium‐ and Low‐Temperature Coal Tar Pitch and Coal‐Based Hydrogenated Diesel Oil Prepare Mesophase Pitch for Needle Coke Precursor

Sign Up to like & get
recommendations!
Published in 2021 at "Advanced Engineering Materials"

DOI: 10.1002/adem.202001523

Abstract: Herein, a better mesophase pitch as precursor for the manufacturing of green needle coke is obtained by a new process, whereas the refined medium‐ and low‐temperature coal tar pitch (RCTP) is obtained by a solvent… read more here.

Keywords: mesophase pitch; temperature; pitch; coal ... See more keywords
Photo by peterconlan from unsplash

Life‐cycle assessment of torrefied coppice willow co‐firing with lignite coal in an existing pulverized coal boiler

Sign Up to like & get
recommendations!
Published in 2017 at "Biofuels, Bioproducts and Biorefining"

DOI: 10.1002/bbb.1788

Abstract: Coal-fired electricity generation is a major emitter of greenhouse gases (GHGs) in Canada and the Federal Government has taken steps toward mandated reduction in GHG emissions. One pathway to reduced emissions is via co-firing of… read more here.

Keywords: ghg emissions; coal; life cycle; lignite coal ... See more keywords
Photo from wikipedia

Flameless combustion behaviour of preheated pulverized coal

Sign Up to like & get
recommendations!
Published in 2018 at "Canadian Journal of Chemical Engineering"

DOI: 10.1002/cjce.23043

Abstract: A method for stable flameless combustion of pulverized coal based on coal preheating was recently proposed. The method involves the initial heating of pulverized coal to a temperature above 800 °C. The heated coal is then… read more here.

Keywords: combustion; coal; flameless combustion; combustion chamber ... See more keywords
Photo from wikipedia

Purified high-sulfur coal as a fuel for direct carbon solid oxide fuel cells

Sign Up to like & get
recommendations!
Published in 2019 at "International Journal of Energy Research"

DOI: 10.1002/er.4004

Abstract: The use of low-rank coal in a clean and efficient manner is a major challenge facing the current coal technology. A high-sulfur coal with 4.5 wt% sulfur is chosen to examine the compatibility of the… read more here.

Keywords: fuel cells; carbon; high sulfur; fuel ... See more keywords
Photo from wikipedia

A complete review based on various aspects of pulverized coal combustion

Sign Up to like & get
recommendations!
Published in 2019 at "International Journal of Energy Research"

DOI: 10.1002/er.4395

Abstract: Coal is the most abundant energy source, and around 40% of the world's electricity is produced by coal combustion. The emission generated through it put a constraint on power production by coal combustion. There is… read more here.

Keywords: review; pulverized coal; combustion; various aspects ... See more keywords
Photo from wikipedia

The effect of coal grain size on the sorption of hydrocarbons from gas mixtures

Sign Up to like & get
recommendations!
Published in 2019 at "International Journal of Energy Research"

DOI: 10.1002/er.4490

Abstract: The flow of gas mixtures through coal, accompanied by sorption, is one of the natural processes occurring in the spontaneous heating of coal in underground mines. So far, studies on the sorption of mine gases… read more here.

Keywords: size; grain size; sorption; gas mixtures ... See more keywords
Photo from wikipedia

Assessment of low‐rank coal and biomass co‐pyrolysis system coupled with gasification

Sign Up to like & get
recommendations!
Published in 2019 at "International Journal of Energy Research"

DOI: 10.1002/er.5011

Abstract: To utilize low‐rank coal and biomass in a highly efficient and environmental‐friendly manner, a co‐pyrolysis system coupled with char gasification is investigated. This system has five main units, namely, the drying and mixing, pyrolysis, cooling… read more here.

Keywords: gasification; system; ratio; biomass ... See more keywords
Photo from wikipedia

Variations in surface fractal characteristics of coal subjected to liquid CO2 phase change fracturing

Sign Up to like & get
recommendations!
Published in 2020 at "International Journal of Energy Research"

DOI: 10.1002/er.5568

Abstract: Enhancement of coal permeability plays the key role in methane extraction underground coalmine. As the physical blasting method, liquid CO2 phase change fracturing (LCPCF) technique can effectively stimulate the coal reservoirs, further enhance the coal… read more here.

Keywords: characteristics coal; liquid co2; fracture; co2 phase ... See more keywords
Photo from wikipedia

Available methane from anthracite by combining coal seam microflora and H2O2 pretreatment

Sign Up to like & get
recommendations!
Published in 2020 at "International Journal of Energy Research"

DOI: 10.1002/er.5890

Abstract: The conversion of coal to methane by anaerobic microorganisms is an efficient, clean, and green way to utilize coal. However, methane production is relatively low due to the low bioavailability of coal. H2O2 has been… read more here.

Keywords: h2o2; h2o2 pretreatment; methane; production ... See more keywords
Photo by mybbor from unsplash

Physiochemical structure of semicoke derived from co‐carbonization of coal and sawdust blends

Sign Up to like & get
recommendations!
Published in 2021 at "International Journal of Energy Research"

DOI: 10.1002/er.6380

Abstract: The substitution of coal blending with sawdust had been widely investigated for metallurgical coke production. In this paper, the physiochemical structures of the semicoke derived from sawdust/coals blends co‐coking were characterized by several analytical techniques… read more here.

Keywords: coal blending; structure semicoke; physiochemical structure; coal ... See more keywords
Photo by primal_harmony from unsplash

Structural changes of Zhundong coal matrix induced by thermal treatment and its effects on oil yield in direct coal liquefaction

Sign Up to like & get
recommendations!
Published in 2021 at "International Journal of Energy Research"

DOI: 10.1002/er.7261

Abstract: Sodium‐rich coals are suitable raw materials for direct coal liquefaction (DCL). However, sodium species in coals, especially exchangeable ones, can significantly reduce oil yield. In this work, to increase oil yield in direct liquefaction of… read more here.

Keywords: liquefaction; coal; oil yield; treated coals ... See more keywords