Release of Micro and Nanoplastics from Plastic Products: Comparing Recycled and Non-Recycled Materials
Theme: Environmental Management
Description:
Micro and nanoplastics are emerging environmental contaminants that are increasingly suspected to be pervasive across ecosystems, yet there remains a significant gap in data regarding their release from plastic products. This project will investigate the release of micro and nanoplastics from various plastic materials, including food storage containers, bottles, and cups, when subjected to hot and cold water. A key focus of this study will be to assess how these releases differ between recycled and non-recycled plastic products, providing valuable insights into the potential environmental impact of recycled materials versus virgin plastics. The research will involve laboratory experiments using a range of commercially available products in Australia. The samples will be analysed for micro and nanoplastic contamination using cutting-edge analytical techniques such as Pyrolysis–gas chromatography–mass spectrometry (Py-GC-MS), scanning electron microscopy (SEM), transmission electron microscopy (TEM), nanoparticle tracking analysis (NTA), Microtrac Sync particle analyzer, asymmetrical flow field-flow fractionation coupled with multiple-angle light scattering (AF4-MALS), and AIRsight Infrared/Raman (FT-IR/Raman) microscope. These techniques will enable the definitive identification and quantification of plastic particles released from both recycled and non-recycled plastic products. Through this project, the applicant will gain hands-on experience in conducting laboratory experiments, as well as in the analysis and interpretation of complex data. The findings will contribute to a better understanding of the risks posed by plastic products to the environment, inform waste management practices, and guide the development of safer, more sustainable plastic products.
Additional Information: This project is open to applications from students with a passion for science and plenty of curiosity. A background in chemistry / analytical chemistry / environmental chemistry would be highly beneficial.
Contact: Prof. Helen Bostock - Co-supervisor with Dr Elvis Okoffo