Calculation of a Direct-Flow Coal Gasification Process with Liquid Slag Removal

Sosna, M. Kh.; Sokolinskii, Yu. A.; Khudyakov, D. S.; Лапидус, А. Л.

doi:10.3103/s0361521920050092

Solid Fuel Chem.

2020

DOI: 10.3103/s0361521920050092

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Calculation of a Direct-Flow Coal Gasification Process with Liquid Slag Removal

M. Kh. Sosna

Yu. A. Sokolinskii

D. S. Khudyakov

et al.

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Adsorption of Pb(II) and Cd(II) on Modified Coal Gasification Slag: Competitive Adsorption, Leaching Toxicity, and Adsorption Mechanism

Yang,

Liu,

et al. 2024

ChemistrySelect

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To remove heavy metals from wastewater, coal gasification slag (CGS) was prepared as an adsorbent. Five modified materials were created, including HF‐CGSC, KOH‐HCl‐CGS, and three KOH‐CGS variants with different mass ratios. The adsorption tests showed KOH‐CGS (0.25) had the best efficiency for Pb(II) and Cd(II) via spontaneous chemisorption. Kinetic, thermodynamic, and 13C NMR analyses indicated that adsorption involved pore adsorption, functional group coordination, and π‐π interactions. Competitive adsorption results showed minimal interaction between Pb and Cd. Leaching tests confirmed the process's environmental safety. This study suggests new approaches for using coal gasification slag in wastewater treatment.

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Adsorption of Pb(II) and Cd(II) on Modified Coal Gasification Slag: Competitive Adsorption, Leaching Toxicity, and Adsorption Mechanism

Yang,

Liu,

et al. 2024

ChemistrySelect

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Study of the Effect of Gasification Pressure on the Composition of the Producer Gas From Coal

Тимофеева

Ermolaev

2022

IOP Conf. Ser.: Earth Environ. Sci.

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The paper presents the results of studies of the effect of gasification pressure on the composition of the producer gas from different types of coals. Calculations of gasification process with determining the main indicators for different coals depending on the pressure and the recirculation fraction of the producer gas were carried out. The results of studies have shown that the elevated pressure and fuel heating by recirculation gases in combination with high values of gasification temperature and the use of oxygen or steam-oxygen blowing promotes to increase the calorific value of the producer gas, to reduce the time of the process and the gasifier sizes, which leads to improvement of conditions and intensification of the process.

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Calculation of a Direct-Flow Anthracite Culm Gasification Process with Liquid Slag Removal

et al. 2022

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Calculation of a Direct-Flow Coal Gasification Process with Liquid Slag Removal

Cited by 3 publications

References 0 publications

Adsorption of Pb(II) and Cd(II) on Modified Coal Gasification Slag: Competitive Adsorption, Leaching Toxicity, and Adsorption Mechanism

Adsorption of Pb(II) and Cd(II) on Modified Coal Gasification Slag: Competitive Adsorption, Leaching Toxicity, and Adsorption Mechanism

Study of the Effect of Gasification Pressure on the Composition of the Producer Gas From Coal

Calculation of a Direct-Flow Anthracite Culm Gasification Process with Liquid Slag Removal

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