Ultralow loaded waste polystyrene derived hyper-cross-linked polymer for incineration flue gas demercuration: Synergistic effect of transition metal and halogen species

Xu, Yifan; Liu, Limin; Xu, Yao; Yan, Xiaofei; Zhang, Cheng; Sun, Zifei; Lin, Xiaochen; Duan, Yufeng; Zhang, Houhu

doi:10.1016/j.cej.2023.144732

Cited by 7 publications

(1 citation statement)

References 67 publications

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“…The most advanced Hg 0 removal process relies on adsorbent injection technology, in which the adsorbent has a high affinity for gaseous Hg 0 . Xu et al recycled WPS into highly porous hyper-cross-linked polymers, and the further modification of the original HCPs at ultralow concentrations was based on the chemical impregnation of different active components related to transition metals and halogens to enhance the chemical Hg 0 bonding ability, 116 thus achieving remarkable mercury removal capacity under complex flue gas conditions (FeBr 3 −HCPs > 90% within 15 min). This adsorbent was superior to most advanced Hg 0 adsorbents in terms of Hg 0 removal efficiency and loading capacity.…”

Section: Applicationsmentioning

confidence: 99%

Versatile Hyper-Cross-Linked Polymers Derived from Waste Polystyrene: Synthesis, Properties, and Intentional Recycling

Song,

Wen,

Wang

et al. 2024

Langmuir

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Waste polystyrene contributes considerably to environmental pollution due to its persistent nature, prompting a widespread consensus on the urgent need for viable recycling solutions. Owing to the aromatic groups structure of polystyrene, hyper-cross-linked polymers can be synthesized through the Friedel−Crafts cross-linking reaction using Lewis acids as catalysts. In addition, hyper-cross-linked polystyrene and its carbonaceous counterparts can be used in several important applications, which helps in their efficient recycling. This review systematically explores methods for preparing multifunctional hypercross-linked polymers from waste polystyrene and their applications in sustainable recycling. We have comprehensively outlined various synthetic approaches for these polymers and investigated their physical and chemical properties. These multifunctional polymers not only exhibit structural flexibility but also demonstrate diversity in performance, making them suitable for various applications. Through a systematic examination of synthetic methods, we showcase the cutting-edge positions of these materials in the field of hyper-crosslinked polymers. Additionally, we provide in-depth insights into the potential applications of these hyper-cross-linked polymers in intentional recycling, highlighting their important contributions to environmental protection and sustainable development. This research provides valuable references to the fields of sustainable materials science and waste management, encouraging further exploration of innovative approaches for the utilization of discarded polystyrene.

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Section: Applicationsmentioning

confidence: 99%