Ruthenium and nickel oxide catalyst turns PET bottle ethylene glycol into formate
Researchers from the Korea Basic Science Institute, Gyeongsang National University and Taiwan's National University of Science and Technology developed a catalyst that converts ethylene glycol recovered from discarded PET bottles into formate, without isolating it beforehand from the solution. The material uses single ruthenium atoms on nickel oxide sheets and reached a Faradaic efficiency of 86.37%, with stability over 300 hours of tests using real waste. The study was published in Angewandte Chemie International Edition.
In 40 seconds
- The catalyst produces formate from ethylene glycol in discarded PET bottles without separating it from the solution first.
- It reached a Faradaic efficiency of 86.37%, an indicator of electrochemical selectivity rather than the share of plastic recycled.
- It reported 0.18 millimoles of formate per hour and square centimeter at 1.6 volts versus the reversible hydrogen electrode.
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