New Materials, Compounds and Applications
New Materials, Compounds and Applications is an open access, strictly peer reviewed journal that is devoted to publication of the reviews and full-length papers recording original research results on, or techniques for, studying the relationship between structure, properties of materials and compounds and their applications. Materials include metals, ceramics, glasses, polymers, energy materials, electrical materials, composite materials, fibers, nanostructured materials, nanocomposites, and biological and biomedical materials.
Effect of Pomelo Peel Extract on the Formation of Iron Oxide by Green Synthesis and its Application to Remove Congo Red and Brilliant Green
- Published: 04-12-2025
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α-Fe2O3 material was synthesized by a new green chemistry method extracted from pomelo with the characteristic structure, α-Fe2O3 shows the O↔Fe↔O functional group, the hexagonal crystal characteristics and the calculated crystal size is 72.16 nm. In addition, α-Fe2O3 was applied as an effective adsorbent to remove Congo Red and Brilliant Green dyes as organic dyes from aqueous solution. Best adsorption conditions of α-Fe2O3 were recorded with CR: 60 minutes, temperature 50 ℃, pH8, dosage 1 g/L, concentration of 250 mg/L. Best adsorption conditions of α-Fe2O3 were recorded with BG: 30 minutes, temperature 30 ℃, pH4, dosage 3 g/L, concentration of 100 mg/L. The maximum absorption capacity under optimal conditions was 33.701 mg/g for BG and 130.700 mg/g for CR. The adsorption process was predicted to be mainly controlled by physical and chemical interactions on the monolayer adsorbent surface.
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