Results 21 to 30 of about 469,716 (286)
矿业科学学报, 2022 In order to explore the low-temperature oxidation characteristics and evolution law of oxidized coal, this paper adopted a temperature-programmed experiment system.
Chen Rongfang +3 more
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Studies of the physico-chemical properties of humic simple superphosphate obtained on the basis of Central Kyzylkum phosphorites and oxidized coal [PDF]
E3S Web of Conferences, 2023 This article presents the results of the physical and chemical properties of humic simple superphosphate obtained by decomposition of the ordinary phosphorous flour of the Central Kyzylkum with sulfuric acid and the addition of oxidized coal from the ...
Ganiev Pirnazar +4 more
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Effect of Pretreatment Methods on the Yield of Humic Acid in Oxidized Coal
Kuangchan zonghe liyong, 2023 This is an essay in the field of mineral processing engineering. During the mining and storage process of coal resources, a large amount of oxidized coal is formed, resulting in waste of coal resources and environmental pollution.
Jinfeng Si, Xingming Li
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Density Function Study of the Interaction of a Surface Modifier with the Oxidized Coal Surface Model. [PDF]
ACS Omega, 2018 A density function approach has been used to screen an appropriate surface modifier for oxidized coal to enhance its hydrophobicity in a flotation process.
Zhang Z, Yun T, Zhang H, Yan K.
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ACS Omega, 2023 Ozone was injected into a coal-water suspension, and an HRTEM test was carried out on the separated oxidation products. The results show that from the perspective of visualization the macromolecular network structure of coal contains a large number of graphite-like structures.
Qing Luo, Wenli Liu, Qiming Zhuo
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Extraction map of oxidized coal fracture network.
, 2022 Extraction map of oxidized coal fracture network.
Ke Gao (1521607) +5 more
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PLoS ONE, 2021 In order to effectively prevent and control spontaneous combustion of residual coal in the goaf and reduce the waste of nitrogen caused by setting the position of nitrogen injection, 1303 fully mechanized coal caving faces of the Jinniu Mine are studied.
Yun Qi +4 more
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Technology of mercury removal from exhaust from coal fired boilers [PDF]
E3S Web of Conferences, 2021 For the Polish power industry, the basic fuel is hard coal and lignite, which contains significant amounts of mercury. Current emission standards in the European Union (IED directive and in the near future BAT conclusions) create conditions for ...
Łuszkiewicz Dariusz +2 more
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Fire, 2023 The spontaneous combustion of coal caused by oxidation often leads to catastrophic fires. However, the understanding of oxidized carbon gas as a predictor of coal’s spontaneous combustion is still in its infancy.
Yongjing Wang +4 more
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Microorganisms, 2023 The biodegradation of tar-rich coal in the Ordos Basin was carried out by Bacillus licheniformis (B. licheniformis) under actions of four kinds of surfactants, namely, a biological surfactant (Rh), a nonionic surfactant (Triton X-100), an anionic ...
Wensheng Shen +6 more
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