Removal of micron-scale microplastic particles from different waters with efficient tool of surface-functionalized microbubbles

From Microbubbles to Nanobubbles: Effect on Flotation

“…Emerging contaminants (organics) in wastewater have recently attracted the attention of researchers as they pose significant risks to human health and wildlife [53]. Another study used coagulative colloidal gas aphrons to simultaneously remove microplastic particles and dissolved organic matter [54]. Fine bubbles were said to be cost effectively generated using a multi-orifice sparger with oscillatory air supply.…”

Surface-functionalised materials for microplastic removal

“…Due to the nature of these processes, they can remove or even accurately select MPs and remove them, such as photocatalytic Au@Ni@TiO 2 -based micromotors involving phoretic interactions between the micromotors and the suspended MPs (Wang et al, 2019) or the use of serial faradaic ion concentration polarisation in a microfluidic device that can sort and separate MPs (Davies and Crooks, 2020). A different way of removing MPs is the use of surface-functionalised microbubbles with the inorganic polymer coagulant polyaluminum chloride (PACl) as a bubble modifier (Zhang et al, 2021). In fact, coagulative colloidal gas aphrons (CCGAs) modified with PACl have been used to remove a mixture of MPs that are ~5 μm in diameter (PMMA and PS) and dissolved organic matter.…”

Microplastics and Their Effect in Horticultural Crops: Food Safety and Plant Stress

“…Similarly, at Lake Taihu in China, plastic microparticles' abundances were the highest reported worldwide, ranging from 0.01 × 106 to 6.8 × 106 elements/km 2 [44]. Additionally, microparticle plastic pollution has been reported in Japan, Korea, and urban estuaries in China [45][46][47].…”