Potential Use of Jarosite Industrial Waste in Developing Hybrid Composites

Daniel Pugar (), Lidija Ćurković (), Ivana Gabelica and Mihone Kerolli Mustafa
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Daniel Pugar: Department of Polytechnic, Dr. Franjo Tuđman Defense and Security University, Ilica 256b, 10000 Zagreb, Croatia
Lidija Ćurković: Department of Materials, Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb, I. Lučića 5, 10000 Zagreb, Croatia
Ivana Gabelica: Department of Materials, Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb, I. Lučića 5, 10000 Zagreb, Croatia
Mihone Kerolli Mustafa: Faculty of Environmental Management and Technology, International Public Business College Mitrovica, 40000 Mitrovica, Kosovo

Sustainability, 2024, vol. 16, issue 24, 1-13

Abstract: Jarosite is a by-product of the zinc manufacturing industry. The potential use of jarosite processing waste as a component in hybrid composites offers a valuable opportunity for addressing waste management and environmental challenges. Therefore, in this study, hybrid composites were prepared using a polyester matrix reinforced with five layers of a fiberglass chopped strand mat and incorporating 5, 10, and 15 wt.% of jarosite waste particles as fillers. The hand lay-up technique was used for the composite preparation, with jarosite particles pre-dispersed in the polyester resin by an ultrasonic probe treatment to ensure the uniform dispersion of the jarosite particles within the matrix. The flexural properties (the flexural strength, modulus, and apparent interlaminar shear strength), Charpy impact strength, and hardness of the composites were determined and analyzed. The results showed that adding 10 wt.% of jarosite significantly improved the flexural strength (30% higher than the base composite) and hardness (15% higher). Composites with 5 wt.% and 15 wt.% of jarosite showed similar properties to the base composite. These findings demonstrate the potential of jarosite waste as a sustainable filler in hybrid composites, balancing mechanical properties and sustainability.

Keywords: hybrid composite; polyester matrix; fiberglass; jarosite; mechanical properties (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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