ArticleTheScientificWorldJournal2014
Coal fly ash ceramics: preparation, characterization, and use in the hydrolysis of sucrose.
Article in TheScientificWorldJournal, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- The Influence of Fly Ash Carbonation on the Protective Properties of Concrete Cover Towards Reinforcement.Materials (Basel, Switzerland) · 2025Article
- Thermal Studies of Fractionated Lignite and Brown Coal Fly Ashes.Materials (Basel, Switzerland) · 2024Article
- Article
- Highly Effective Adsorption Process of Ni(II) Ions with the Use of Sewage Sludge Fly Ash Generated by Circulating Fluidized Bed Combustion (CFBC) Technology.Materials (Basel, Switzerland) · 2021Article
- Coal Fly Ash Decorated with Graphene Oxide-Tungsten Oxide Nanocomposite for Rapid Removal of PbACS omega · 2021Article
- Effects of Microwave Energy on Fast Compressive Strength Development of Coal Bottom Ash-Based Geopolymers.Scientific reports · 2019Article
- Evaluation of the potential of coal fly ash produced by gasification as hexavalent chromium adsorbent.Environmental science and pollution research international · 2019Article
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Authors and funding
11 authors.
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Abstract
Coal ash is a byproduct of mineral coal combustion in thermal power plants. This residue is responsible for many environmental problems because it pollutes soil, water, and air. Thus, it is important to find ways to reuse it. In this study, coal fly ash, obtained from the Presidente Médici Thermal Power Plant, was utilized in the preparation of ceramic supports for the immobilization of the enzyme invertase and subsequent hydrolysis of sucrose. Coal fly ash supports were prepared at several compaction pressures (63.66-318.30 MPa) and sintered at 1200°C for 4 h. Mineralogical composition (by X-ray diffraction) and surface area were studied. The ceramic prepared with 318.30 MPa presented the highest surface area (35 m(2)/g) and amount of immobilized enzyme per g of support (76.6 mg/g). In assays involving sucrose inversion, it showed a high degree of hydrolysis (around 81%) even after nine reuses and 30 days' storage. Therefore, coal fly ash ceramics were demonstrated to be a promising biotechnological alternative as an immobilization support for the hydrolysis of sucrose.
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