Publication:
Kaolin-based geopolymer as a heavy metal removal: Short review
Kaolin-based geopolymer as a heavy metal removal: Short review
Date
2023
Authors
Ikmal Hakem AZIZ
Nurul Ain MAZLAN
Mohd. Mustafa Al Bakri Abdullah
Noor Fifinatasha SHAHEDAN
Ratna EDIATI
Wan Mastura Wan Ibrahim
Hamzah FANSURI
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Abstract
Adsorption procedure have been studies and found to be an effective, easy, and low-cost approach for removing heavy metals from aqueous solution when compared to other methods and technologies. Porous geopolymer will be made by combining aluminosilicate mineral with an alkaline activation solution to be utilized as an adsorbent. This review focuses on the current development in heavy metal removal material. This work also summarize the crucial factors (such as solid-to-liquid ratio, foaming agent ratio, sintering temperatures, and adsorbent dosage) influenced the properties (pore formation, microstructure, chemical bonding, and phase analysis) of kaolin-based geopolymer were highlighted. This review manifests the remarkable potential of kaolin-based geopolymer in high-added value applications.
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Keywords
Kaolin,
Geopolymer,
Adsorbent material,
Heavy metal removal