The variations of free radical and index gas CO in spontaneous combustion of coal gangue under different oxygen concentrations
Sign Up to like & getrecommendations! Published in 2021 at "Fire and Materials"
DOI: 10.1002/fam.3000
Abstract: In order to study the effect of oxygen concentrations on the change of active groups in the oxidation process of coal gangue, the airflows of different oxygen concentrations were prepared to simulate the oxidation and… read more here.
Keywords: gangue; oxygen concentrations; oxygen; coal gangue ... See more keywords
Turn "Waste" Into Wealth: MoO2 @coal Gangue Electrocatalyst with Amorphous/Crystalline Heterostructure for Efficient Li-O2 Batteries.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202208145
Abstract: Unreasonable accumulation of coal gangue in mining area has become the major source of global pollution. Probing the high-valued utilization of coal gangue has become a key approach to address the problem. Herein, a promising… read more here.
Keywords: crystalline heterostructure; coal gangue; coal; amorphous crystalline ... See more keywords
Synthesis and characterization of zeolites NaA and NaX from coal gangue
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Material Cycles and Waste Management"
DOI: 10.1007/s10163-017-0605-5
Abstract: Zeolites NaA and NaX were synthesized from initial coal gangue (milled sample) and pretreated coal gangue (calcinated and acid immersed sample) by an alkali fusion method prior to hydrothermal treatment, which started by mixing NaOH… read more here.
Keywords: coal gangue; naa nax; zeolites naa; alkali fusion ... See more keywords
Immobilizatiaon of heavy metals in municipal solid waste incineration fly ash with red mud-coal gangue
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Material Cycles and Waste Management"
DOI: 10.1007/s10163-020-01082-7
Abstract: In this research, Bayer red mud (RM) and coal gangue (CG) bend with a ratio of 8:2 was prepared as a geopolymer precursor (RG) through mechanochemistry-alkali activation. It was used for municipal solid waste incineration… read more here.
Keywords: red mud; coal gangue; municipal solid; heavy metals ... See more keywords
Characteristics, speciation, and bioavailability of mercury and methylmercury impacted by an abandoned coal gangue in southwestern China
Sign Up to like & getrecommendations! Published in 2019 at "Environmental Science and Pollution Research"
DOI: 10.1007/s11356-019-06775-7
Abstract: During coal mining activities, a lot of coal gangue is produced, which usually contains high mercury (Hg) concentrations as well as the acid mine drainage (AMD) generator of pyrite. In the present study, the total… read more here.
Keywords: coal gangue; bioavailability; gangue; soil ... See more keywords
Characterization of dissolved organic matter derived from coal gangue packed in underground reservoirs of coal mines using fluorescence and absorbance spectroscopy
Sign Up to like & getrecommendations! Published in 2021 at "Environmental Science and Pollution Research"
DOI: 10.1007/s11356-020-11456-x
Abstract: Organic and nitrogen pollutants in mine water could be removed effectively during the storage and transport of water in a coal mine underground reservoir packed with coal gangue through various water-rock interactions. However, little is… read more here.
Keywords: underground reservoirs; coal gangue; dissolved organic; spectroscopy ... See more keywords
Preparation of nano-sized Mg-doped copper silicate materials using coal gangue as the raw material and its characterization for CO2 adsorption
Sign Up to like & getrecommendations! Published in 2020 at "Korean Journal of Chemical Engineering"
DOI: 10.1007/s11814-020-0593-3
Abstract: This work presents a simple method for the preparation of the Mg-doped nanocomposite copper silicates (Mgx-Cu1−x-SiO3) (x=0.25, 0.5, 0.75 and 0.9) using coal gangue waste as the silicon source for CO2 capture at low temperature.… read more here.
Keywords: adsorption; co2 adsorption; coal gangue; using coal ... See more keywords
Porous mullite thermal insulators from coal gangue fabricated by a starch-based foam gel-casting method
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Australian Ceramic Society"
DOI: 10.1007/s41779-017-0035-9
Abstract: Porous mullite materials with high porosity of 71.8–88.2% were prepared by foaming of coal gangue/Al2O3/starch composite slurry and subsequent pore structure stabilization using starch consolidation and sintering. Coal gangue was recycled to prepare porous mullite… read more here.
Keywords: mullite foams; coal gangue; sized pores; porous mullite ... See more keywords
Combustion properties of coal gangue using thermogravimetry–Fourier transform infrared spectroscopy
Sign Up to like & getrecommendations! Published in 2017 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2017.01.083
Abstract: Abstract This study investigated the combustion properties of coal gangue (CG) from the Gongwusu coal mine in northern China. Three CG samples collected from various parts of the spontaneous combustion gangue dump were evaluated using… read more here.
Keywords: combustion properties; coal gangue; properties coal; combustion ... See more keywords
High-efficiency adsorption of Cr(VI) and RhB by hierarchical porous carbon prepared from coal gangue.
Sign Up to like & getrecommendations! Published in 2021 at "Chemosphere"
DOI: 10.1016/j.chemosphere.2021.130008
Abstract: Coal gangue (CG) is one of the largest industrial solid wastes in the world produced during the process of coal mining. The accumulation of CG is easy to cause ion leakage, which is harmful to… read more here.
Keywords: hierarchical porous; coal gangue; porous carbon; adsorption ... See more keywords
Modification of ash flow properties of coal rich in calcium and iron by coal gangue addition
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Journal of Chemical Engineering"
DOI: 10.1016/j.cjche.2020.08.033
Abstract: Abstract Flow property of coal ash and slag is an important parameter for slag tapping of entrained flow gasifier. The viscosity of slag with high contents of calcium and iron exhibits the behavior of a… read more here.
Keywords: ash; coal gangue; coal; calcium iron ... See more keywords