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Removal of Polypropylene Microplastic from Aquatic Ecosystems using Different Coagulants Employing Chitosan as Coagulative Aid
Author(s):
1. Farah Zahid: Institute of Chemistry, University of Sargodha, Sargodha,40100, Pakistan
2. Muhammad Mustaqeem: Institute of Chemistry, University of Sargodha, Sargodha,40100, Pakistan
3. Azhar abbas: Institute of Chemistry, University of Sargodha, Sargodha,40100, Pakistan
Abstract:
This work uses aluminum sulphate (Al2(SO4) 3) as a coagulant and hydrogel as an enhancer to remove polypropylene micro plastics from aqueous matrices. Because it persists in water systems, hydrophobic micro plastic polypropylene offers serious environmental problems. Aluminum sulphate neutralized charge and flocculated to produce coagulation, whereas the hydrogel enhanced particle aggregation and sedimentation. Coagulation was best at neutral pH (6-7.5), with35-45 mg/L aluminum sulphate. Hydrogel increased micro plastic removal by increasing floc size and trapping smaller particles for sedimentation. The combined method removed over 91% polypropylene micro plastics and reduced water turbidity. A hybrid treatment approach for water micro plastic contamination improves removal efficacy with low chemical consumption. Chitosan complements aluminum sulphate. To maximize removal effectiveness, add 10-20 mg/L chitosan and 35-45mg/L aluminum sulphate. The integrated technique allows for flexible wastewater treatment optimization, including micro plastic-contaminated wastewater. Like aluminum sulphate and hydrogels, chitosan works best around pH 6-8. Hydrogels in coagulation procedures may improve micro plastic treatment systems' environmental sustainability and scalability
Page(s): 78-78
DOI: DOI not available
Published: Journal: 1st International Conference on "Recent Advances in Green Biotechnology and Climate Resilience", September 15-16, 2025, Volume: 1, Issue: 1, Year: 2025
Keywords:
optimization , sustainability , Coagulation , sedimentation , flocculation
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