Exploring the Surface Area Potential of Irregular Graphite Particles for Adsorption Applications

Guowei Wang and Minxia Zang

International Journal of Education, Humanities and Social Sciences, 2025, vol. 2, issue 1, 75-82

Abstract: Graphite, a ubiquitous and cost-effective carbonaceous material, holds significant promise for various environmental remediation applications, particularly in adsorption. This study systematically investigates the adsorption potential of irregularly shaped graphite particles, characterized by significant surface roughness and a broad particle size distribution, aiming to enhance pollutant removal efficiency. Utilizing Scanning Electron Microscopy (SEM), the intrinsic microstructural features of the graphite particles were meticulously characterized, revealing a highly heterogeneous surface topography with pronounced undulations, folds, and crevices. Such complex morphology suggests a substantially higher specific surface area compared to conventional smooth, spherical graphite particles. To preliminarily validate this hypothesis, batch adsorption experiments using methylene blue (MB) as a model organic pollutant were conducted under controlled conditions. The tested graphite sample demonstrated a notable adsorptive capacity of approximately 70 mg/g, indicating efficient pollutant uptake. Furthermore, the study discusses the correlation between the microscopic surface features and macroscopic adsorption performance, emphasizing the role of pore structure and surface chemistry in adsorption mechanisms. These findings underscore the promising potential of morphologically rich graphite materials as cost-effective and sustainable adsorbents, providing valuable insights for the design of advanced materials for environmental applications.

Keywords: graphite; irregular morphology; specific surface area; adsorption (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:axf:ijehss:v:2:y:2025:i:1:p:75-82

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