Pore-Structure Engineering of Hierarchical β Zeolites for the Enhanced Hydrocracking of Waste Plastics to Liquid Fuels DOI Creative Commons
Muhammad Usman Azam, Auguste Fernandes, M.J. Ferreira

и другие.

ACS Catalysis, Год журнала: 2024, Номер 14(21), С. 16148 - 16165

Опубликована: Окт. 17, 2024

Hydrocracking of plastics over bifunctional hierarchical zeolites is promising for the upcycling into value-added products. However, exact role their acidic and textural properties toward catalytic activity remains unclear. Herein, we modified structure a β zeolite via dealumination desilication routes, resulting in zeolites. The parent samples were loaded with Ni studied hydrocracking virgin HDPE. In comparison to dealuminated zeolite, desilicated showed higher conversion 87.8% 66.7% products gasoline range, owing its significantly high properties. selectivity gasoline-range hydrocarbons further improved 95.9 69.2%, respectively, by addition. To unlock structure–activity correlation various samples, different activity-driven factors was studied, an empirical relationship that aligns observed conversions samples. Moreover, it possible achieve iso-paraffins optimization balance between metal-acid sites on Furthermore, both Ni-loaded good stability ability be regenerated under cyclic runs. best-performing also maintained postconsumer waste (conversion = 85–95%) when using mixture (88.4%). A life cycle assessment recent literature demonstrated advantages proposed modification routes achieving productivity (6.6–7.6 ggasoline/gcat·h) less environmental impact. Overall, these findings highlight noble-metal-free, easily modifiable, environmentally friendly enhanced liquid fuels.

Язык: Английский

Recent advances in hydrotreating and hydrocracking catalysts for the preparation of light aromatics: Influencing factors, catalytic mechanisms and performance relationship descriptors DOI

Lingjing Yu,

Hong Nie,

Ping Yang

и другие.

Coordination Chemistry Reviews, Год журнала: 2025, Номер 529, С. 216444 - 216444

Опубликована: Янв. 24, 2025

Язык: Английский

Процитировано

0
Recent Advancements in Upcycling of Polyolefins by Hydrocracking: Effect of Various Heterogeneous Catalysts and Reaction Parameters DOI

Thangaraj Baskaran,

Yong-Kul Lee

Polymer Degradation and Stability, Год журнала: 2025, Номер unknown, С. 111220 - 111220

Опубликована: Янв. 1, 2025

Язык: Английский

Процитировано

0
Polyolefin Recycling with Binary Cobalt–Nickel Nanosheets DOI Open Access
Baogang Su, Mengjun Wang,

Xiaofei Lai

и другие.

Small, Год журнала: 2025, Номер unknown

Опубликована: Март 31, 2025

Abstract The recycling of polyolefin plastics into value‐added chemicals has emerged as a new frontier regarding the current environmental concerns. In this work, it is demonstrated that binary cobalt‐nickel nanosheets (Co─Ni NSs) can serve non‐noble catalyst for polyethylene and polypropylene plastics. Detailed analysis implies strong synergy between Co Ni in Co─Ni NSs enables electron transfer from to enhances adsorption abilities H 2 C─C chain, realizing cracking plastic liquid products with selectivity 83.3% at conversion >98%. Impressively, such realize successful commercial wastes products. Given enhanced stability, high products, low‐cost NSs, work provides feasible strategy plastics, which will attract extensive attention various fields including catalysis, materials, energy, beyond.

Язык: Английский

Процитировано

0
Pore-Structure Engineering of Hierarchical β Zeolites for the Enhanced Hydrocracking of Waste Plastics to Liquid Fuels DOI Creative Commons
Muhammad Usman Azam, Auguste Fernandes, M.J. Ferreira

и другие.

ACS Catalysis, Год журнала: 2024, Номер 14(21), С. 16148 - 16165

Опубликована: Окт. 17, 2024

Hydrocracking of plastics over bifunctional hierarchical zeolites is promising for the upcycling into value-added products. However, exact role their acidic and textural properties toward catalytic activity remains unclear. Herein, we modified structure a β zeolite via dealumination desilication routes, resulting in zeolites. The parent samples were loaded with Ni studied hydrocracking virgin HDPE. In comparison to dealuminated zeolite, desilicated showed higher conversion 87.8% 66.7% products gasoline range, owing its significantly high properties. selectivity gasoline-range hydrocarbons further improved 95.9 69.2%, respectively, by addition. To unlock structure–activity correlation various samples, different activity-driven factors was studied, an empirical relationship that aligns observed conversions samples. Moreover, it possible achieve iso-paraffins optimization balance between metal-acid sites on Furthermore, both Ni-loaded good stability ability be regenerated under cyclic runs. best-performing also maintained postconsumer waste (conversion = 85–95%) when using mixture (88.4%). A life cycle assessment recent literature demonstrated advantages proposed modification routes achieving productivity (6.6–7.6 ggasoline/gcat·h) less environmental impact. Overall, these findings highlight noble-metal-free, easily modifiable, environmentally friendly enhanced liquid fuels.

Язык: Английский

Процитировано

3