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AuthorSaleem, Junaid
AuthorMoghal, Zubair Khalid Baig
AuthorMcKay, Gordon
Available date2023-05-16T09:07:34Z
Publication Date2023
Publication NameJournal of Hazardous Materials
ResourceScopus
ISSN3043894
URIhttp://dx.doi.org/10.1016/j.jhazmat.2023.131356
URIhttp://hdl.handle.net/10576/42803
AbstractEnvironmental pollution caused by plastic waste and oil spills has emerged as a major concern in recent years. Consequently, there has been a growing interest in exploring innovative solutions to address these challenges. Herein, we report a method to upcycle polyolefins-based plastic waste by converting it into a bimodal super-oleophilic sorbent using dissolution, spin-coating, and annealing techniques. The resulting sorbent possesses an extensive network of pores and cavities with a size range from 0.5 to 5 µm and 150–200 µm, respectively, with an average of 600 cavities per cm2. Each cavity can swell up to twenty times the thickness of the sorbent, exhibiting sponge-like behavior. The sorbent had an oil uptake capacity of 70–140 g/g, depending on the type of sorbate and dripping time. Moreover, the sorbent can be mechanically or manually squeezed to recover the sorbed oil. Our integrated methodology provides a promising approach to upcycling plastic waste as an abundant source of value-added materials.
SponsorThis publication was made possible by NPRP grant number NPRP12S-0325-190443 from the Qatar National Research Fund (a member of the Qatar Foundation). Open Access funding provided by Qatar National Library. The authors would also like to acknowledge Core Labs, Qatar Environment and Energy Research Institute, Hamad Bin Khalifa University, Qatar Foundation, Qatar, for providing assistance in SEM and XPS.
Languageen
PublisherElsevier
SubjectOil sorbent
Plastic waste
Polyethylene
Polymers
Polyolefins
TitleUp-cycling plastic waste into swellable super-sorbents
TypeArticle
Volume Number453
dc.accessType Open Access


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