Optimization of Initial pH, Adsorbent Dosage, and Contact Time for Methylene Blue Removal in Aqueous Solution Using Citrus aurantium Peels
Document Types
Paper Presentation
School Name
De La Salle University
Track or Strand
Science, Technology, Engineering, and Mathematics (STEM)
Research Advisor (Last Name, First Name, Middle Initial)
Cabral, Kerry, P.
Start Date
23-6-2025 3:30 PM
End Date
23-6-2025 5:00 PM
Zoom Link/ Room Assignment
EKR 405
Abstract/Executive Summary
The increasing pollution from the textile and dye industries has raised serious environmental concerns, particularly due to the discharge of synthetic dyes like methylene blue (MB), known for its toxicity, carcinogenicity, and resistance to biodegradation. This study explores the use of waste materials from the agricultural industry, namely the peels of Citrus aurantium (dalandan), as adsorbents to remove MB from simulated wastewater under low-cost and sustainable conditions. The study aimed to produce activated carbon from dalandan peels (DPAC) and characterize its surface and chemical characteristics to evaluate the effects of initial pH, adsorbent dosage, and contact time on the efficiency of MB adsorption. DPAC was prepared through thermal activation and subjected to batch adsorption. The findings of this study not only demonstrate the potential of dalandan peel-activated carbon (DPAC) as an eco-friendly alternative to conventional wastewater treatment methods but also contribute to the broader field of material engineering by elucidating the structural and chemical properties that enhance their adsorptive performance Ultimately, this research underscores the dual benefit of addressing wastewater pollution while promoting the valorization of citrus waste, aligning with sustainable development goals, and offering innovative solutions for effective water management.
Keywords
dalandan peels; methylene blue; activated carbon; adsorption
Research Theme (for Paper Presentation and Poster Presentation submissions only)
Sustainability, Environment, and Energy (SEE)
Initial Consent for Publication
yes
Statement of Originality
yes
Optimization of Initial pH, Adsorbent Dosage, and Contact Time for Methylene Blue Removal in Aqueous Solution Using Citrus aurantium Peels
The increasing pollution from the textile and dye industries has raised serious environmental concerns, particularly due to the discharge of synthetic dyes like methylene blue (MB), known for its toxicity, carcinogenicity, and resistance to biodegradation. This study explores the use of waste materials from the agricultural industry, namely the peels of Citrus aurantium (dalandan), as adsorbents to remove MB from simulated wastewater under low-cost and sustainable conditions. The study aimed to produce activated carbon from dalandan peels (DPAC) and characterize its surface and chemical characteristics to evaluate the effects of initial pH, adsorbent dosage, and contact time on the efficiency of MB adsorption. DPAC was prepared through thermal activation and subjected to batch adsorption. The findings of this study not only demonstrate the potential of dalandan peel-activated carbon (DPAC) as an eco-friendly alternative to conventional wastewater treatment methods but also contribute to the broader field of material engineering by elucidating the structural and chemical properties that enhance their adsorptive performance Ultimately, this research underscores the dual benefit of addressing wastewater pollution while promoting the valorization of citrus waste, aligning with sustainable development goals, and offering innovative solutions for effective water management.
https://animorepository.dlsu.edu.ph/conf_shsrescon/2025/paper_see/11
