Electronic waste (e-waste) is one of the relatively fast-growing solid waste streams, with an
annual growth rate of 3%–5%. Although international policies have been formulated to …

Due to the vast consumption and shortened lifespan of mobile phones, waste mobile
phones (WMPs) have become one of the fastest-growing global waste electrical and …

Plastic recycling has an obstacle from heterogeneous composition of plastic mixtures, which
can be rectified by separation based on their different chemical and physical properties …

Injection molding is one of the most significant material processing methods for mass
production of plastic products. It is widely used in various industry sectors, and its products …

All matter has density. The recorded uses of density to characterize matter date back to as
early as ca. 250 BC, when Archimedes was believed to have solved “The Puzzle of The …

The concept of the circular economy has emerged as a promising solution to address the
mounting concerns surrounding plastic waste and the urgent need for sustainable resource …

Plastic pollution is a global issue of increasing health concern, thus requiring innovative
waste management. In particular, there is a need for advanced methods to identify and …

Plastic recycling is a promising technology, as it can both contribute to circular economy
goals and reducing plastic pollution; however, it faces significant challenges due to the lack …

Magnetic levitation (MagLev) is a well-documented, robust technique for density
measurements and separations. Although the potential of MagLev as an emerging tool in …

Novel separation method with high efficiency is of great significance for mechanical
recycling mixed waste plastics plays. However, the efficiency of most extant methods is …