Metals in recycled polyethylene terephthalate (PET) were analyzed by ICP-MS following microwave digestion with nitric acid. Physically and superclean-like recycled PET contained both Ge and Sb, and sometimes contained Co, P or Si. In contrast, the chemically recycled PET contained only Ge or Sb, and some samples contained Co. The recycled PETs did not contain Pb or Cd. Ge and Sb were catalysts ...

Eco-sustainability and the reuse of materials are highly topical issues. In fact, in recent years, much study research has been developed on this aspect, making eco-sustainability a real need. Polylaminate containers, more commonly called Tetra Pak represent most used packaging world. This work proposes new strategy for discarded polylaminate containers order to create panels that can be constr...

With an increase in the use of carbon fiber composites aerospace and automobile industry a collateral issue what to do with end-of-life has risen. In this study, we successfully developed second-generation composite using heterogenous mixture thermoset thermoplastic recycled (CFCs). The recovered vinyl ester epoxy CFCs (thermosets) were characterized thermogravimetric analysis. Adhesive perform...

Meltless recycling technique has been utilized to overcome the lack of primary resources, focusing on reducing the usage of energy and materials. Hot press was proposed as a novel direct recycling technique which results in astoundingly low energy usage in contrast with conventional recycling. The aim of this study is to prove the technical feasibility of this approach by characterizing the rec...

Results: The experiment results indicate that the type of recycled aggregate and its replacement ratio have significant effects on the freezethaw performance. The cubic compressive strength of recycled aggregate concrete is overall slightly lower than that of normal concrete. After 100 freeze-thaw cycles, the compressive strength decreases and the reduction extent increases with increasing repl...