A sinter-resistant catalyst using an alumina support recycled from AlP fumigation residue: trash to treasure

Literature Information

Publication Date 2018-03-27
DOI 10.1039/C8CP00111A
Impact Factor 3.676
Authors

Jinshi Dong, Jun Wang, Jianqiang Wang, Guanghao Cheng, Tianming Huang


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Abstract

Sintering is a long-standing issue especially in high temperature catalytic applications. In this paper, we report an effective method to slow down metal particle migration and coalescence (PMC) by using a thermally stable alumina support. Noteworthily, the alumina sample was developed from AlP fumigation residue, which is a very dangerous substance for living creatures and environment protection. By optimizing the heated hydrolysis and ball-milling conditions, we recycled a phosphate-stabilized alumina material that retained a 117 m2 g−1 surface area after 1050 °C hydrothermal aging. The catalyst using this newly developed alumina support had Pd dispersion 1.7 times higher than that using a commercial alumina support after aging. The kinetics and XPS experiments showed that phosphate neither participated in the catalytic reaction process nor changed the active sites. This catalyst also exhibited extraordinary water tolerance and durability, making it a promising material in automotive exhaust purification and other catalytic applications.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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