202461 · N-doping of low rank coals enhances the diffusion of CO 2 in the coal structure, and modification of medium rank coals by sulfur enhances the diffusion process of CO 2. These results provide theoretical guidance for the development of novel solid adsorbents for carbon capture technology. Previous Next
view more202451 · This study reports the desulfurization and deashing of Hangu coal by air oxidation assisted froth floatation technique applying performic acid (H2O2+H…
view more2024613 · 1994 - FFEM Minerals developed a contact oil seal that virtually eliminates oil loss. 1995 - Gyratory crusher manufacturers introduced low-restriction top shells.
view more20171215 · This work proposed and analyzed an integrated solar hybrid system for upgrading and utilization of low-rank coals using coal pre-drying, low-temperatu…
view more20231010 · New insights for improving low-rank coal flotation performance via emulsified waste fried oil collector October 2023 DOI: 10.1016/j.fuel.2023.129925 Authors: G. Cheng Henan Polytechnic University
view more2022111 · The low cost of low-rank coal has seen much of the interest focus on converting these coals via gasification to liquid fuels and chemicals. Of main gasifier types, entrained flow gasifiers are the most popular in the world gasification market because of their feedstock flexibility, high throughput and high conversion [6]. However, the scientific and …
view more2018115 · Experimental samples of low rank coal were collected from a coal preparation plant in Shanxi province of China. In order to eliminate the heterogeneity effect on the sliding time measurements, low rank coal bulk were separated firstly by density. The density fraction of <1.3 g/cm 3 was used as experimental samples, which were crushed …
view more20201110 · This paper prepared a novel collector using diesel and coal tar for low-rank coal flotation, which was named coal tar-based (CTB) collector. The flotation performances of difficult-to-float low-rank coal using the …
view more202421 · The clean and low-carbon utilization of low-rank coal have become the top priority of energy transformation for China. Pyrolysis technology is a promising approach to extract the inherent hydrogen rich components from coal to produce high-value liquid and gaseous fuels utilizing the coal-self structure and reactivity fully [ 1, 2 ].
view more2019121 · This study aims to compare the pyrolysis characteristics of low-rank coal and bituminous coal with the elemental composition using thermogravimetric analysis (TGA) at the heating rates of 10, 20 ...
view moreBased on over 30 years' experiences in design, production and service of crushing and s
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