[HTML][HTML] Recent processes for the production of alumina nano-particles
S Said, S Mikhail, M Riad - Materials Science for Energy Technologies, 2020 - Elsevier
Alumina nano-particles have wide usage in the adsorption and catalysis fields, because of
its acid-base properties, high specific area, mechanical and thermal stability. The first part of …
its acid-base properties, high specific area, mechanical and thermal stability. The first part of …
High-pressure HCl leaching of coal ash to extract Al into a chloride solution with further use as a coagulant for water treatment
D Valeev, I Kunilova, A Shoppert… - Journal of Cleaner …, 2020 - Elsevier
In the present paper a novel process of the coal ash treatment was developed and analyzed:
a high-pressure autoclave HCl leaching of the coal bottom and fly ash from an Omsk coal …
a high-pressure autoclave HCl leaching of the coal bottom and fly ash from an Omsk coal …
Leaching kinetics and reactivity evaluation of fly ash based on the synergistic effect of alkali and sulfate
This work evaluates the reactivity of various minerals of fly ash based on the backscattered
electron images analysis (BSE-IA) method and discusses the influencing factors and kinetics …
electron images analysis (BSE-IA) method and discusses the influencing factors and kinetics …
Spent-medium leaching of germanium, vanadium and lithium from coal fly ash with biogenic carboxylic acids and comparison with chemical leaching
Coal fly ash (CFA), produced in coal-fired power plants, is categorized as hazardous waste
and has caused serious environmental impacts. The CFA contains significant amounts of …
and has caused serious environmental impacts. The CFA contains significant amounts of …
Kinetics study of al extraction from desilicated coal fly ash by NaOH at atmospheric pressure
A Shoppert, I Loginova, D Valeev - Materials, 2021 - mdpi.com
The most promising source of alumina in the 21st century is the coal fly ash (CFA) waste of
coal-fired thermal plants. The methods of alumina extraction from CFA are often based on …
coal-fired thermal plants. The methods of alumina extraction from CFA are often based on …
High-end reclamation of coal fly ash focusing on elemental extraction and synthesis of porous materials
Coal combustion accounts for a large proportion of the global energy supply due to its low
cost and high heat value; however, pollution from the large amounts of coal fly ash (CFA) …
cost and high heat value; however, pollution from the large amounts of coal fly ash (CFA) …
Fe-Si alloys production and alumina extraction from coal fly ash via the vacuum thermal reduction and alkaline leaching
H Chen, W Yu, Z Jiang, W Jiang, P Wei… - Fuel Processing …, 2023 - Elsevier
The comprehensive utilization of coal fly ash (CFA) has attracted extensive attentions owing
to increasing awareness of environmental protection and secondary resource recycling. In …
to increasing awareness of environmental protection and secondary resource recycling. In …
Multi-element comprehensive utilization of high-silicon bauxite by roasting pretreatment and two-stage leaching
Y Li, X Pan, Z Lv, H Wu, H Yu - Minerals Engineering, 2022 - Elsevier
As a potential ore resource to produce alumina in industry, the complex symbiotic
relationship between the aluminum-, silicon-and iron-bearing minerals in the high-silicon …
relationship between the aluminum-, silicon-and iron-bearing minerals in the high-silicon …
Microwave-assisted pretreatment of coal fly ash for enrichment and enhanced extraction of rare-earth elements
GA Yakaboylu, D Baker, B Wayda, K Sabolsky… - Energy & …, 2019 - ACS Publications
A microwave-assisted pretreatment (beneficiation) technique was developed as an
approach to improve the enrichment and extraction of rare-earth elements from coal fly ash …
approach to improve the enrichment and extraction of rare-earth elements from coal fly ash …
High purity alumina synthesised from iron rich clay through a novel and selective hybrid ammonium alum process
The demand for high purity alumina (HPA) has been steadily increasing due to its use in
advanced electronics and battery applications. This paper presents an innovative synthesis …
advanced electronics and battery applications. This paper presents an innovative synthesis …