Superparamagnetic γ-Fe₂O₃nanoparticles as an easily recoverable catalyst for the chemical recycling of PET

Magnetically Recoverable Palladium(0) Nanocomposite Catalyst for Hydrogenation Reactions in Water

“…[31][32] The magnetic materials were characterized with a wide range of physicochemical techniques to determine the particle size and morphology, as well as their chemical composition, their crystalline structure, and their magnetic behavior. In the TEM images, relatively uniform iron oxide NPs with an average diameter of 11 nm were observed (Figure 1 a).…”

Recovery of Terephthalic Acid by employing magnetic nanoparticles as a solid support

“…After that, Park et al [16] outstretch graphene oxide and manganese oxide as the catalysts for PET glycolysis. Bartolome et al [17] used nano-γ-Fe 2 O 3 as an easily recoverable catalyst for the recycling of PET. The number of active sites in nanoscale catalysts increase and also changing inherent properties of the catalysts in nanoscale usually leads to better catalytic performance.…”

Recycling of poly(ethylene terephthalate) – A review focusing on chemical methods

“…Al-Sabagh et al [195] and Alnaqbi et al [214] applied ionic liquids (1-butyl-3-methylimidazolium bromide or 1-butyl-3-methylimidazolium acetate as co-catalyst) for complete glycolysis of PET. Further, Fukushima and coworkers [198,201] [11,187,200,210,221]. In addition, glycolysis leads to the formation of undesired cyclic oligomers [128].…”

“…The main process parameters of glycolysis are reaction temperature (110-270°C) and reaction time (up to 15 hours) [99,]. In contrast to methanolysis, there is only little use of high pressure for glycolysis of PET [10,180,200]. Generally, the degrading agent was used in excess for de-polymerization of PET.…”