Fig. 4: Role of hydrogen in dechlorination in the performance of the two-stage process. | Nature Sustainability

Fig. 4: Role of hydrogen in dechlorination in the performance of the two-stage process.

From: A two-stage strategy for upcycling chlorine-contaminated plastic waste

Fig. 4: Role of hydrogen in dechlorination in the performance of the two-stage process.The alternative text for this image may have been generated using AI.

a,b, Product distribution and Mw of liquid after the two stages with dechlorination conducted in H2 or He. c, Liquid yield and Mw at various H2 pressures. d, Reaction scheme for the formation of chlorinated alkanes. Dechlorination conditions: 250 °C, 30 bar He or H2, 6 h, 0.2 g PVC, 0.2 g Mg3AlO4.5, 1.8 g PP. Reaction conditions: 250 °C, 30 bar H2, 16 h, 0.1 g Ru/TiO2, dechlorinated solid.

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