The Influence of Platinum Additives on the Activity and Stability of Rh-Containing Catalyst for the Conversion of Diesel Fuel into Synthesis Gas

IF 1.3 4区 化学 Q4 CHEMISTRY, PHYSICAL Kinetics and Catalysis Pub Date : 2024-04-27 DOI:10.1134/S0023158424010051
V. A. Shilov, M. A. Burmatova, V. D. Belyaev, D. I. Potemkin, P. V. Snytnikov
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Abstract

The influence of platinum additives on the properties of rhodium catalysts in the processes of steam reforming and autothermal reforming of diesel fuel was investigated. It was found that Rh/CZF was more active compared to the bimetallic sample Rh–Pt/CZF: the degree of fuel conversion in its presence was higher, and the concentration of reaction by-products was lower. The proposed two-zone Pt/CZF + Rh/CZF structured honeycomb catalyst demonstrated stable performance and high activity in the autothermal reforming of commercial diesel fuel. However, the presence of platinum in the frontal zone of the catalyst reduced its resistance to coking compared to the rhodium-containing sample. The results obtained are of practical significance in the development of efficient systems for the conversion of heavy hydrocarbons into synthesis gas.

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铂添加剂对含 Rh 催化剂将柴油转化为合成气的活性和稳定性的影响
摘要 研究了铂添加剂对柴油蒸汽转化和自热转化过程中铑催化剂性能的影响。研究发现,与双金属样品 Rh-Pt/CZF 相比,Rh/CZF 的活性更高:在其存在下,燃料转化率更高,反应副产物的浓度更低。所提出的两区 Pt/CZF + Rh/CZF 结构蜂窝催化剂在商用柴油的自热转化中表现出稳定的性能和较高的活性。然而,与含铑样品相比,铂在催化剂前区的存在降低了其抗结焦性。所获得的结果对于开发将重烃转化为合成气的高效系统具有实际意义。
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来源期刊
Kinetics and Catalysis
Kinetics and Catalysis 化学-物理化学
CiteScore
2.10
自引率
27.30%
发文量
64
审稿时长
6-12 weeks
期刊介绍: Kinetics and Catalysis Russian is a periodical that publishes theoretical and experimental works on homogeneous and heterogeneous kinetics and catalysis. Other topics include the mechanism and kinetics of noncatalytic processes in gaseous, liquid, and solid phases, quantum chemical calculations in kinetics and catalysis, methods of studying catalytic processes and catalysts, the chemistry of catalysts and adsorbent surfaces, the structure and physicochemical properties of catalysts, preparation and poisoning of catalysts, macrokinetics, and computer simulations in catalysis. The journal also publishes review articles on contemporary problems in kinetics and catalysis. The journal welcomes manuscripts from all countries in the English or Russian language.
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