Výsledky vyhledávání - "Alexander J. Hill"

Progress and future challenges in passive NO adsorption over Pd/zeolite catalysts

Autor: Huawang Zhao, Lei Ma, Alexander J. Hill, Johannes W. Schwank, Adarsh Bhat, Guohua Jing

Publikováno v: Catalysis Science & Technology. 11:5986-6000

Future emission standards are becoming increasingly stringent. Around 50% of targeted tailpipe emissions are emitted during the cold-start period, mainly due to the ineffectiveness of catalytic converters in the after-treatment system at low temperat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::98278f916e3082fb56ab5343da232565
https://doi.org/10.1039/d1cy01084k

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Mechanistic insight in the propylene derived distinct NO uptake and release behaviors on Pd/SSZ-13 for low-temperature NO adsorption

Autor: Huawang Zhao, Xiaoyin Chen, Alexander J. Hill, Guohua Jing, Yongdan Li, Johannes W. Schwank

Publikováno v: Chemical Engineering Journal. 452:139507

Publisher Copyright: © 2022 The Author(s) Pd/SSZ-13 catalysts were investigated for the simultaneous storage of NO and C3H6 at 100 °C. The effects of the state of Pd species on co-adsorption and release were studied under simulated exhaust conditio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c57934e5082a4056fa99e2505fd35bd8
https://doi.org/10.1016/j.cej.2022.139507

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Thermally Induced Restructuring of Pd@CeO2 and Pd@SiO2 Nanoparticles as a Strategy for Enhancing Low-Temperature Catalytic Activity

Autor: Adarsh Bhat, Alexander J. Hill, Xiaoyin Chen, Chang Yup Seo, Johannes W. Schwank, Galen B. Fisher, Andrej Lenert

Publikováno v: ACS Catalysis. 10:1731-1741

Retaining high catalytic activity after exposure to elevated temperatures remains a crucial challenge for applications such as automotive emissions control. While catalysts generally sinter and los...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f389a978714cb2a9af79328419e4587e
https://doi.org/10.1021/acscatal.9b05224

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Incidence of Kidney Stones in the United States: The Continuous National Health and Nutrition Examination Survey

Autor: Alexander J. Hill, Spyridon P. Basourakos, Patrick Lewicki, Xian Wu, Camilo Arenas-Gallo, Debby Chuang, Donald Bodner, Irina Jaeger, Amihay Nevo, Michael Zell, Sarah C. Markt, Brian H. Eisner, Jonathan E. Shoag

Publikováno v: The Journal of urology. 207(4)

The incidence of kidney stones in the United States is currently unknown. Here, we assessed the incidence of kidney stones using recent, nationally representative data.We used the National Health and Nutrition Examination Survey (NHANES) from 2015 to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c163607a51a348c6f7724b8f52b1ba2f
https://pubmed.ncbi.nlm.nih.gov/34854755

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Stabilizing Highly Dispersed Halo Sites in Thermally Restructured Palladium Core@shell Nanoparticles for Improved Catalyst Activity and Durability

Autor: Alexander J. Hill, Andrej Lenert, Zachary J. Berquist, Johannes W. Schwank, Galen B. Fisher, Adarsh Bhat

Stabilizing high dispersions of catalytically active metals is integral to improving the lifetime, activity, and material utilization of catalysts that are periodically exposed to high temperatures during operation or maintenance. We have found that

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4bbc37d6619b4f36495b0223e4adf6c
https://doi.org/10.33774/chemrxiv-2021-d5ksj

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Improving the thermal stability and n-butanol oxidation activity of Ag-TiO2 catalysts by controlling the catalyst architecture and reaction conditions

Autor: Johannes W. Schwank, Alexander J. Hill, Galen B. Fisher, Adarsh Bhat

Publikováno v: Applied Catalysis B: Environmental. 297:120476

We demonstrate a novel methodology of encapsulating and dispersing Ag nanoparticles in a reducible, mesoporous TiO2 nanosphere to enhance thermal stability and catalytic activity for VOC oxidation. Through comparisons with surface-impregnated Ag-TiO2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::537157ea5bb253aebb24acc0bbaf595b
https://doi.org/10.1016/j.apcatb.2021.120476

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One-step ion-exchange from Na-SSZ-13 to Cu-SSZ-13 for NH3-SCR by adjusting the pH value of Cu-exchange solution: The effect of H+ ions on activity and hydrothermal stability

Autor: Guohua Jing, Alexander J. Hill, Guangpeng Yang, Bing-er Luo, Huawang Zhao

Publikováno v: Microporous and Mesoporous Materials. 324:111271

A one-step ion-exchange method is developed to prepare high-performance Cu-SSZ-13 from Na-SSZ-13, by adjusting pH values of Cu salt solution during Cu-exchange. The H+ concentration has a significant influence on the Cu loading and distribution. In t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6cd346495b670ffd975449f53d103659
https://doi.org/10.1016/j.micromeso.2021.111271

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