“…Experimental and computational simulation methods are used to investigate the adsorption behavior of the surfactant nonylphenol ethoxylate (NPEO10), which contains 10 ethylene oxide groups, on the lignite surface. The adsorption of NPEO10 on lignite follow a Langmuir-type isotherm. …”
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“…The main adsorption mechanisms were electrostatic attraction and ion exchange between the hierarchical MgAl-LDH and sulfonated lignite.…”
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“…[Image: see text] Significant volume shrinkage and drying cracking of high-water-content lignite will occur during low-temperature drying. …”
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“…The influence of temperature on lignite pyrolysis is explored by analyzing the distribution of products at different temperatures and the formation mechanism of typical products, so as revealing the microscopic mechanism of lignite pyrolysis. …”
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“…The study aims to solve the problems of limited capacity and difficult recovery of lignite to adsort Cu(2+), Zn(2+) and Pb(2+) in acid mine wastewater (AMD). …”
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“…To investigate the biogas generation characteristics of the organic matter in lignite, methanol extraction was conducted to obtain the soluble fraction and the residual of lignite, which were subsequently taken as the sole carbon source for biogas production by a methanogenic consortium. …”
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“…[Image: see text] The pyrolysis characteristics of hydrochloric acid-demineralized Shengli lignite (SL(+)) and iron-added lignite (SL(+)-Fe) were investigated using a fixed-bed reactor. …”
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“…The results show that total number concentration were 3.4 × 10(3), 1.6 × 10(4), and 1.5 × 10(5) particles/cm(3) · kg(fuel), while total mass of particles were 12.2, 8.0, and 6.5 mg/Nm(3) · kg(fuel) for combustion of lignite, rice husk and bagasse, respectively. But it can be noticed that cofiring released more particulate matter. …”
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“…Intensive lignite and glass sand mining and industrial processing release waste which may contain elements hazardous to the aquatic ecosystem and constitute a potential risk to human health. …”
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“…This study aims to examine the effects of water contents on the char conversion during the pyrolysis and gasification of Shengli lignite. The ex-situ reactivities of chars were further analyzed by a thermo gravimetric analyzer (TGA). …”
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“…We report the rate of Cr(VI) removal by two humic acids (extracted from Miocene age lignite and younger peat soil) in aqueous suspensions across a pH range likely to be encountered in terrestrial environments. …”
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“…In May and September, 2002, 14 private residential drinking water wells, one dewatering well at a lignite mine, eight surface water sites, and lignite from an active coal mine were sampled in five Parishes of northwestern Louisiana, USA. …”
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“…[Image: see text] A lignite was subjected to sequential solvent extraction via continuously reducing particle size from around 20 to more than 200 mesh. …”
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“…[Image: see text] The research on moisture transfer characteristics and surface crack development of a single lignite particle (SLP) driven by humidity difference is helpful to achieve a better understanding of the fragmentation characteristics of lignite during the moisture transfer process. …”
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“…[Image: see text] Hydrochloric acid-demineralized Shengli lignite (SL(+)) and iron-added lignite (SL(+)-Fe) were thermally degraded using a fixed-bed device to better understand the effect of the iron component on the microcrystalline structure transformation properties of lignite during the pyrolysis process. …”
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“…In this study, we used lignite and KOH as raw material and catalyst and tuned lignite structure via hydrothermal modification to promote the formation of CNTs during catalytic pyrolysis. …”
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“…Here we report an effective and economically-viable method to mitigate NH(3) emissions by the application of lignite. We constructed two cattle pens (20 × 20 m) to determine the effectiveness of lignite in reducing NH(3) emissions. …”
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