Adsorptive removal of organics from aqueous phase by acid-activated coal fly ash: preparation, adsorption, and Fenton regenerative valorization of “spent” adsorbent
Sign Up to like & getrecommendations! Published in 2018 at "Environmental Science and Pollution Research"
DOI: 10.1007/s11356-018-1560-y
Abstract: Raw coal fly ash was activated to an adsorbent by sulfuric acid impregnation. The activation condition, the adsorption capacity, and the regenerative valorization of the adsorbent were studied. The results show that the optimal preparation… read more here.
Keywords: adsorption; coal fly; fly ash; regenerative valorization ... See more keywords
Cordierite-Based Ceramics from Coal Fly Ash for Thermal and Electrical Insulations
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DOI: 10.1007/s12633-020-00428-y
Abstract: In the present study, coal fly ash was used as the main starting material (80.74 wt.%) in the production of the cordierite-based ceramics by benefiting from its high contents of silica and alumina. The phase evolutions… read more here.
Keywords: cordierite based; ceramics coal; based ceramics; coal fly ... See more keywords
Extraction of Al and Ce from coal fly ash by biogenic Fe3+ and H2SO4
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2019.04.014
Abstract: Abstract Coal fly ash (CFA), a waste byproduct of thermal power plants, is a major dust pollution source and a resource bearing valuable metals, such as Al and Ce. Metal bioleaching from CFA can be… read more here.
Keywords: coal fly; metal; cfa; extraction ... See more keywords
Phase transformation and carbon precipitation of coal fly ash magnetospheres during a CVD process for microwave adsorption
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.06.138
Abstract: Abstract Coal fly ash is industrial waste produced by coal power plants, containing large amounts of magnetospheres (MSs), where Fe3O4 is abundant and magnetite is the major composition. However, the functional reuses of MSs are… read more here.
Keywords: coal fly; carbon; microwave adsorption; cvd process ... See more keywords
Optimum reaction ratio of coal fly ash to blast furnace cement for effective removal of hydrogen sulfide.
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DOI: 10.1016/j.chemosphere.2016.10.070
Abstract: Reducing hydrogen sulfide concentration in eutrophic marine sediments is crucial to maintaining healthy aquatic ecosystems. Managing fly ash, 750 million tons of which is generated annually throughout the world, is another serious environmental problem. In… read more here.
Keywords: removal; coal fly; coal; hydrogen sulfide ... See more keywords
Immobilization and characterization of Fe(0) catalyst on NaOH-treated coal fly ash for catalytic reduction of p-nitrophenol.
Sign Up to like & getrecommendations! Published in 2018 at "Chemosphere"
DOI: 10.1016/j.chemosphere.2018.09.006
Abstract: In this study, coal fly ash (CFA), i.e., an industrial waste product created in large quantities by thermoelectric power plants, was treated with sodium hydroxide to afford a novel Fe (0) catalyst supported on alkaline-treated… read more here.
Keywords: reduction; naoh treated; reduction nitrophenol; coal fly ... See more keywords
Utilization of coal fly ash waste for effective recapture of phosphorus from waters.
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DOI: 10.1016/j.chemosphere.2021.132431
Abstract: Reutilisation of the waste by-products from industrial and agricultural activities is crucially important towards attainment of environmental sustainability and the 'circular economy'. In this study, we have developed and evaluated a sustainably-sourced adsorbent from coal… read more here.
Keywords: effective recapture; recapture; waste; coal fly ... See more keywords
Removal of lead (Pb(II)) and zinc (Zn(II)) from aqueous solution using coal fly ash (CFA) as a dual-sites adsorbent
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Journal of Chemical Engineering"
DOI: 10.1016/j.cjche.2020.08.046
Abstract: Abstract Coal fly ash (CFA) is composed of minerals containing some oxides in crystalline phase (i.e., quartz and mullite), as well as unburned carbon as mesoporous material, thus enabling CFA to act as a dual-sites… read more here.
Keywords: adsorption; ash cfa; cfa; coal fly ... See more keywords
Effects of roasting additives and leaching parameters on the extraction of rare earth elements from coal fly ash
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DOI: 10.1016/j.coal.2018.06.021
Abstract: Abstract Coal fly ash is a promising alternative source for rare earth elements (REE), which are critical materials in many technologies. REEs are entrained in the aluminosilicate glass of the fly ash particles, hindering their… read more here.
Keywords: earth elements; rare earth; ash; coal fly ... See more keywords
Enhancement of strength of coal fly ash–carbide lime blends through chemical and mechanical activation
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DOI: 10.1016/j.conbuildmat.2017.09.091
Abstract: Abstract Compacted coal fly ash–carbide lime blends have vast prospects for being used as building materials, such as walls, foundations and floors of habitations, also as base and sub-base of pavements. The residues used on… read more here.
Keywords: strength; carbide lime; coal fly; lime ... See more keywords
Improving circular economy by the valorization of non-conventional coal fly ashes in composite cement manufacturing
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DOI: 10.1016/j.conbuildmat.2021.124053
Abstract: Abstract Spreader Stoker thermal power plants are initially used to burn bagasse during the sugarcane harvest, but also coal when the season is over. The drawback is that, compared to standard pulverized coal fly ashes,… read more here.
Keywords: coal fly; cement; sscfa; coal ... See more keywords