Plastic‐to‐Treasure: Innovative advances in photo/electro‐catalytic upcycling technologies for commodity chemicals and fuels DOI Creative Commons

Yu Xuan Leiu,

Kelvin O. Lim,

Zi‐Jing Chiah

et al.

EcoEnergy, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 27, 2024

Abstract Plastics are one of the greatest inventions 20 th century that bring convenience to mankind. Owing commercialization plastics, plastic pollution has become a petrifying environmental issue as demand for products overwhelms recycling rates. However, conventional methods (i.e., pyrolysis and gasification) require high pressure temperature treat waste plastic, resulting in ineluctably energy‐waste secondary pollution. On contrary, selective catalylic technologies provide green approach degrade plastics whilst also reforming them into value‐added chemicals fuels. In this review, innovative approaches, including photocatalysis, electrocatalysis, photoelectrocatalysis, have been comprehensively reviewed from perspective sustainable use resources. Distinctive emphasis is placed on highlighting merits each technology enlightening state‐of‐the‐art modification strategies strengthen pillars catalytic activities. The transformation with above techniques elaborated terms reaction conditions various substrates. With feasibility breakdown displayed study, insights challenges prospects upcycling underscored well facilitate society moving toward circular economy.

Language: Английский

Photoreforming of waste plastic by B‐doped carbon nitride nanotube: Atomic‐level modulation and mechanism insights DOI Open Access

Zongyang Ya,

Lei Tang, Dong Xu

et al.

AIChE Journal, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 23, 2025

Abstract Photoreforming waste plastics into valuable products is a promising approach, but it requires efficient, eco‐friendly photocatalysts and deeper understanding of catalytic mechanism. We have developed B‐doped g‐C 3 N 4 nanotube catalyst with well‐defined structure for photoreforming poly(ethylene terephthalate) (PET) chemicals H 2 . This achieved evolution rate 3240 μmol g catal −1 h , outperforming previous cadmium‐free catalysts. It also oxidized PET to higher‐value organic acids via hole oxidation Experimental theoretical calculations showed that B atom doping not only greatly increased the catalyst's active sites, significantly accelerated electron–hole separation transfer rate, optimized adsorption activation behavior substrate. Using concentrated sunlight, we 475 real‐world in seawater. Techno‐economic analysis suggests processing 50,000 tons plastic annually could yield profit $7.45 million.

Language: Английский

Citations

4
Advanced Catalysts for the Chemical Recycling of Plastic Waste DOI

Jibo Qin,

Feiyan Wu, Yibo Dou

et al.

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 2, 2025

Abstract Plastic products bring convenience to various aspects of the daily lives due their lightweight, durability and versatility, but massive accumulation post‐consumer plastic waste is posing significant environmental challenges. Catalytic methods can effectively convert into value‐added feedstocks, with catalysts playing an important role in regulating yield selectivity products. This review explores latest advancements advanced applied thermal catalysis, microwave‐assisted photocatalysis, electrocatalysis, enzymatic catalysis reaction systems for chemical recycling valuable feedstocks. Specifically, pathways mechanisms involved plastics process are analyzed presented, strengths weaknesses employed across different described. In addition, structure‐function relationship these discussed. Herein, it provided insights design novel outline challenges future opportunities terms developing tackle “white pollution” crisis.

Language: Английский

Citations

1
Fabrication of a C3N4/Bi12O17Cl2 heterojunction photocatalytic membrane applied for pharmaceutical and microplastic treatment DOI
Feiyan Wu, Haixiang Yu, Fei Chang

et al.

Separation and Purification Technology, Journal Year: 2025, Volume and Issue: 364, P. 132394 - 132394

Published: March 5, 2025

Language: Английский

Citations

1
Manipulating bimetal structure of CuCo at mesoscale via topological transformation of layered double hydroxides DOI Open Access
Ping Qi,

Yujing Hu,

Jian Zhang

et al.

AIChE Journal, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 25, 2025

Abstract Topological transformation of layered double hydroxides (LDHs) containing bimetal components is a powerful method for producing catalysts, but suffers from uncontrollable structures and catalytically active sites due to the indistinct mechanism. This work demonstrates manipulation CuCo structure by simply changing aspect ratio or Cu/Co distribution (one in layer other interlayer) LDHs, affording (i) exclusive Janus Cu‐Co particles well‐alloyed (ii) alloy with Cu‐Co, monometallic Co, Cu coexisting. The mesoscale key factor topological revealed. In syngas conversion, selectivity alcohol reaches 49.3% 43.2% C 2+ fraction >94% on good affinity sites. But presence Co suppresses facilitating production hydrocarbons methanol, respectively.

Language: Английский

Citations

0
Plastic‐to‐Treasure: Innovative advances in photo/electro‐catalytic upcycling technologies for commodity chemicals and fuels DOI Creative Commons

Yu Xuan Leiu,

Kelvin O. Lim,

Zi‐Jing Chiah

et al.

EcoEnergy, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 27, 2024

Abstract Plastics are one of the greatest inventions 20 th century that bring convenience to mankind. Owing commercialization plastics, plastic pollution has become a petrifying environmental issue as demand for products overwhelms recycling rates. However, conventional methods (i.e., pyrolysis and gasification) require high pressure temperature treat waste plastic, resulting in ineluctably energy‐waste secondary pollution. On contrary, selective catalylic technologies provide green approach degrade plastics whilst also reforming them into value‐added chemicals fuels. In this review, innovative approaches, including photocatalysis, electrocatalysis, photoelectrocatalysis, have been comprehensively reviewed from perspective sustainable use resources. Distinctive emphasis is placed on highlighting merits each technology enlightening state‐of‐the‐art modification strategies strengthen pillars catalytic activities. The transformation with above techniques elaborated terms reaction conditions various substrates. With feasibility breakdown displayed study, insights challenges prospects upcycling underscored well facilitate society moving toward circular economy.

Language: Английский

Citations

0