Exploring the chemistry of waste eggshells and its diverse applications

Copyright © 2024 Elsevier Ltd. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Waste management (New York, N.Y.). - 1999. - 189(2024) vom: 01. Sept., Seite 348-363
1. Verfasser: Iftikhar, Laiba (VerfasserIn)
Weitere Verfasser: Ahmad, Iqbal, Saleem, Muhammad, Rasheed, Aamir, Waseem, Amir
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Waste management (New York, N.Y.)
Schlagworte:Journal Article Review Calcined eggshell Chemical composition Eggshell waste Sorbent material Valorization pathways Metals, Heavy
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520 |a The large-scale production of chicken eggs results in a substantial amount of eggshell (ES) residue, often considered as waste. These discarded shells naturally decompose in soil approximately within a year. Eggshells (ES), comparatively contribute lesser towards environmental pollution, contain a remarkable amount of calcium, which can be converted into various valuable products that finds applications in industries, pharmaceuticals, and medicine. Among the diverse applications of ES, most effective and promising applications are removal of heavy metals (Cd, Cr, Pb, Zn, and Cu) ∼93-99 % metal adsorption capacity and capturing of flue gases (CO2 and SO2) from the environment. With ES having a maximum CO2 sorption capacity of 92 % as compared to other sources, and SO2 adsorption capacity of Calcined ES∼11.68 mg/g. The abundance, low cost and easy availability of CaO from ES makes them sustainable and eco-friendly. Additionally, its versatility extends beyond environmental prospects, as it is widely used in various industries as a catalyst, sorbent, fertilizer, and calcium supplement in food for individuals, plants and animals, among other diverse fields of study. Owing to its versatile applications, current review focuses on structure, chemical composition, treatment methods, and valorization pathways for diverse applications, aiming to reduce the eggshells waste and mitigate environmental pollution 
650 4 |a Journal Article 
650 4 |a Review 
650 4 |a Calcined eggshell 
650 4 |a Chemical composition 
650 4 |a Eggshell waste 
650 4 |a Sorbent material 
650 4 |a Valorization pathways 
650 7 |a Metals, Heavy  |2 NLM 
700 1 |a Ahmad, Iqbal  |e verfasserin  |4 aut 
700 1 |a Saleem, Muhammad  |e verfasserin  |4 aut 
700 1 |a Rasheed, Aamir  |e verfasserin  |4 aut 
700 1 |a Waseem, Amir  |e verfasserin  |4 aut 
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