{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T17:26:18Z","timestamp":1785432378582,"version":"3.56.0"},"reference-count":32,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2026,6,11]],"date-time":"2026-06-11T00:00:00Z","timestamp":1781136000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["22202092"],"award-info":[{"award-number":["22202092"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"award":["22202092"],"award-info":[{"award-number":["22202092"]}],"id":[{"id":"https:\/\/ror.org\/01h0zpd94","id-type":"ROR","asserted-by":"publisher"}]},{"name":"Jiangxi Provincial Natural Science Foundation of China","award":["20232BAB213017"],"award-info":[{"award-number":["20232BAB213017"]}]},{"name":"Jiangxi Provincial Science and Technology Talent Plan Project of China","award":["20232BCJ23083"],"award-info":[{"award-number":["20232BCJ23083"]}]},{"name":"Science and Technology Program of Jiangxi Academy of Sciences of China","award":["2023YSBG50004"],"award-info":[{"award-number":["2023YSBG50004"]}]},{"name":"Science and Technology Program of Jiangxi Academy of Sciences of China","award":["2023YSBG21020"],"award-info":[{"award-number":["2023YSBG21020"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>The selective hydrogenation of p-chloronitrobenzene (p-CNB) to p-chloroaniline (p-CAN) is of great importance for the production of dyes, pesticides, and pharmaceuticals, but it is often plagued by the undesired hydrodechlorination side reaction. In this work, we report a PtNi bimetallic catalyst supported on nano-sized LTL zeolite (PtNi\/Nano-HL) for the selective hydrogenation of p-chloronitrobenzene under mild conditions. The catalyst was systematically characterized by X-ray diffraction (XRD), nitrogen sorption (N2 sorption), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and ammonia temperature-programmed desorption (NH3-TPD). The results reveal abundant oxygen vacancies (RIR = 0.73) and an optimized distribution of medium\u2013strong acid sites on the catalyst surface, as well as electronic interaction between Pt and Ni, which collectively enhance the catalytic performance. Remarkably, the PtNi\/Nano-HL catalyst achieves 100% conversion and over 99% selectivity for p-chloroaniline under ambient conditions (30 \u00b0C, 0.1 MPa H2) using ethanol as a solvent. Even after 24 recycling runs, it retains 100% conversion and &gt;93% selectivity, demonstrating excellent stability. Moreover, the catalyst requires an extremely low Pt loading (only 0.11 wt%) and exhibits good substrate universality for various substituted nitroarenes. This work provides a promising strategy for designing high-performance bimetallic catalysts on nano-zeolite supports for the selective hydrogenation of halonitrobenzenes.<\/jats:p>","DOI":"10.3390\/molecules31122042","type":"journal-article","created":{"date-parts":[[2026,6,11]],"date-time":"2026-06-11T12:14:58Z","timestamp":1781180098000},"page":"2042","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Ultra-Low Pt Loading Bimetallic PtNi Catalyst on Nano-LTL Zeolite for the Selective Hydrogenation of Halonitrobenzenes"],"prefix":"10.3390","volume":"31","author":[{"given":"Zhen","family":"Liu","sequence":"first","affiliation":[{"name":"Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, Institute of Materials and Intelligent Manufacturing, Jiangxi Academy of Sciences, Nanchang 330096, China"},{"name":"Department of Environment Engineering, Nanchang Hangkong University, Nanchang 330063, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guoan","family":"Xi","sequence":"additional","affiliation":[{"name":"Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, Institute of Materials and Intelligent Manufacturing, Jiangxi Academy of Sciences, Nanchang 330096, China"},{"name":"Department of Environment Engineering, Nanchang Hangkong University, Nanchang 330063, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yin","family":"Hu","sequence":"additional","affiliation":[{"name":"Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, Institute of Materials and Intelligent Manufacturing, Jiangxi Academy of Sciences, Nanchang 330096, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei","family":"Chen","sequence":"additional","affiliation":[{"name":"Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, Institute of Materials and Intelligent Manufacturing, Jiangxi Academy of Sciences, Nanchang 330096, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lingling","family":"Wang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, Institute of Materials and Intelligent Manufacturing, Jiangxi Academy of Sciences, Nanchang 330096, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xuanye","family":"Chen","sequence":"additional","affiliation":[{"name":"Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, Institute of Materials and Intelligent Manufacturing, Jiangxi Academy of Sciences, Nanchang 330096, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fen","family":"Zhang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, Institute of Materials and Intelligent Manufacturing, Jiangxi Academy of Sciences, Nanchang 330096, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,6,11]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"470","DOI":"10.2174\/157017912802651456","article-title":"Recent Developments in Heterogeneous Selective Hydrogenation of Halogenated Nitroaromatic Compounds to Halogenated Anilines","volume":"9","author":"Mariusz","year":"2012","journal-title":"Curr. 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