English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

In this research, wet hydrolysis of polyethylene terephthalate (PET), as used in beverage bottles, has been carried out using sulfuric acid. The hydrolysis reaction has been investigated in a laboratory glass reactor, provided with an anchor mixer and a digital torque meter. The hydrodynamics of viscous liquid in stirred reactor has also been studied by computational fluid dynamics simulation. The results of simulations give the operational conditions for optimum mixing into the designed agitated reactor. In the stirred reactor, the used chopped PET pieces were degraded into its constituent monomers, terephthalate acid (TPA) and ethylene glycol, in an acidic medium. The hydrolysis of product was characterized by (FT-IR) spectroscopy, while the efficiency of TPA production was measured by (UV-Vis) spectrophotometer. The effects of different parameters such as temperature, acid concentration and reaction time on PET degradation have been investigated. The experimental results show that the optimum reaction condition occurred while the sulfuric acid to used PET ratio is 4:1 at a reaction temperature of 90°C and reaction time of five hours.

Wet Hydrolysis of Waste Polyethylene Terephthalate Thermoplastic Resin with Sulfuric Acid and CFD Simulation for High Viscous Liquid Mixing