Towards sustainable coal industry: Turning coal bottom ash into wealth
Although the world is gradually moving towards renewable energy resources, the coal
industry will continue to be a major energy supply sector in the foreseeable future. However …
industry will continue to be a major energy supply sector in the foreseeable future. However …
A review of the alumina production from coal fly ash, with a focus in Russia
Coal combustion used by the Combined heat and power plants (CHPs) generates solid
wastes-coal fly ash (CFA). Up to 22% of the total electricity supply in Russian is coal …
wastes-coal fly ash (CFA). Up to 22% of the total electricity supply in Russian is coal …
A sustainable method for germanium, vanadium and lithium extraction from coal fly ash: Sodium salts roasting and organic acids leaching
The paper proposes an environmentally friendly process for recovering germanium, lithium,
and vanadium from coal fly ash (CFA) using thermal pretreatment and hydrometallurgy. To …
and vanadium from coal fly ash (CFA) using thermal pretreatment and hydrometallurgy. To …
Challenges, regulations, and case studies on sustainable management of industrial waste
Incessant generation and mismanagement of industrial waste, resource scarcity, and
environmental degradation have created non-sustainability in human life. Though industrial …
environmental degradation have created non-sustainability in human life. Though industrial …
Recovering precipitates from dechlorination process of saline wastewater as poly aluminum chloride
J Guo, Z Zhou, Q Ming, Z Huang, J Zhu, S Zhang… - Chemical Engineering …, 2022 - Elsevier
Chemical sludge massively generated from chloride removal of saline wastewater by the
Friedel's salt precipitation method is difficult to handle and dispose. In this study, a novel …
Friedel's salt precipitation method is difficult to handle and dispose. In this study, a novel …
Rare-Earth Elements Extraction from Low-Alkali Desilicated Coal Fly Ash by (NH4)2SO4 + H2SO4
Coal fly ash (CFA) obtained from pulverized coal furnaces is a highly refractory waste that
can be used for alumina and rare-earth elements (REEs) extraction. The REEs in this type of …
can be used for alumina and rare-earth elements (REEs) extraction. The REEs in this type of …
The discrepancy between coal ash from muffle, Circulating Fluidized Bed (CFB), and Pulverized Coal (PC) furnaces, with a focus on the recovery of iron and rare earth …
Coal ash (CA) is not only one of the most solid wastes from combustion, easily resulting in a
series of concerns, but it is also an artificial deposit with considerable metals, such as iron …
series of concerns, but it is also an artificial deposit with considerable metals, such as iron …
Simultaneous separation of Fe & Al and extraction of Fe from waste coal fly ash: Altering the charge sequence of ions by electrolysis
Y Shi, K Jiang, T Zhang, X Zhu - Waste Management, 2022 - Elsevier
A significant amount of coal fly ash is generated and this type of waste material causes
severe environmental hazards. Metal (Al and Fe) extraction from coal fly ash is beneficial to …
severe environmental hazards. Metal (Al and Fe) extraction from coal fly ash is beneficial to …
Removal of COD in wastewater by magnetic coagulant prepared from modified fly ash
W Wang, L Qi, P Zhang, J Luo, J Li - Environmental Science and Pollution …, 2022 - Springer
In this paper, magnetic coagulants (Fe-AFA, Fe-BFA) were prepared, by mixing acid-
modified fly ash (AFA) and base-modified fly ash (BFA) with magnetic components, as …
modified fly ash (AFA) and base-modified fly ash (BFA) with magnetic components, as …
Separation of alumina from aluminum-rich coal fly ash using NaOH molten salt calcination and hydrochemical process
J Yang, H Sun, T Peng, L Zeng, L Chao - Clean Technologies and …, 2022 - Springer
High-alumina coal fly ash (CFA) is considered as an important and cheap resource of
aluminum. On account of high valence aluminum often trapped in aluminosilicate basic …
aluminum. On account of high valence aluminum often trapped in aluminosilicate basic …