Rafael Roldán

630 total citations
12 papers, 561 citations indexed

About

Rafael Roldán is a scholar working on Mechanical Engineering, Inorganic Chemistry and Materials Chemistry. According to data from OpenAlex, Rafael Roldán has authored 12 papers receiving a total of 561 indexed citations (citations by other indexed papers that have themselves been cited), including 8 papers in Mechanical Engineering, 8 papers in Inorganic Chemistry and 6 papers in Materials Chemistry. Recurrent topics in Rafael Roldán's work include Catalysis and Hydrodesulfurization Studies (8 papers), Zeolite Catalysis and Synthesis (7 papers) and Catalysis for Biomass Conversion (4 papers). Rafael Roldán is often cited by papers focused on Catalysis and Hydrodesulfurization Studies (8 papers), Zeolite Catalysis and Synthesis (7 papers) and Catalysis for Biomass Conversion (4 papers). Rafael Roldán collaborates with scholars based in Spain, United Kingdom and Netherlands. Rafael Roldán's co-authors include Francisco J. Romero‐Salguero, César Jiménez‐Sanchidrián, Juan Pedro Montávez Gómez, J. M. Marinas, Juan A. Melero, Marta Paniagua, Jovita Moreno, Gabriel Morales, Caridad N. Pérez and Gemma Vicente and has published in prestigious journals such as Journal of Catalysis, International Journal of Hydrogen Energy and Fuel.

In The Last Decade

Rafael Roldán

12 papers receiving 544 citations

Peers

Rafael Roldán
Rubén Palacio Colombia
Fehime Çakıcıoğlu-Özkan Türkiye
Thirumaleshwara S. G. Bhat United States
Juan Shao China
F.C.A. Figueiredo Brazil
Aline Auroux France
Wenjing Song China
Wanwen Liang China
Mohammad Jaber Darabi Mahboub Iran
Golshan Mazloom Iran
Rubén Palacio Colombia
Rafael Roldán
Citations per year, relative to Rafael Roldán Rafael Roldán (= 1×) peers Rubén Palacio

Countries citing papers authored by Rafael Roldán

Since Specialization
Citations

This map shows the geographic impact of Rafael Roldán's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Rafael Roldán with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Rafael Roldán more than expected).

Fields of papers citing papers by Rafael Roldán

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Rafael Roldán. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Rafael Roldán. The network helps show where Rafael Roldán may publish in the future.

Co-authorship network of co-authors of Rafael Roldán

This figure shows the co-authorship network connecting the top 25 collaborators of Rafael Roldán. A scholar is included among the top collaborators of Rafael Roldán based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Rafael Roldán. Rafael Roldán is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

12 of 12 papers shown
1.
López, María Isabel, et al.. (2015). Transformation of 1-hexene on Pt supported ZSM-5 zeolite modified with tin, copper or chromium. Reaction Kinetics Mechanisms and Catalysis. 116(1). 285–297. 4 indexed citations
2.
Roldán, Rafael. (2014). Technical and economic feasibility of adapting an industrial steam reforming unit for production of hydrogen from renewable ethanol. International Journal of Hydrogen Energy. 40(4). 2035–2046. 19 indexed citations
3.
Roldán, Rafael, et al.. (2009). Valorization of α-olefins: Double bond shift and skeletal isomerization of 1-pentene and 1-hexene on zirconia-based catalysts. Catalysis Today. 149(3-4). 275–280. 19 indexed citations
4.
Melero, Juan A., Gemma Vicente, Gabriel Morales, et al.. (2008). Acid-catalyzed etherification of bio-glycerol and isobutylene over sulfonic mesostructured silicas. Applied Catalysis A General. 346(1-2). 44–51. 170 indexed citations
5.
Roldán, Rafael, Andrew M. Beale, Manuel Sánchez‐Sánchez, et al.. (2007). Effect of the impregnation order on the nature of metal particles of bi-functional Pt/Pd-supported zeolite Beta materials and on their catalytic activity for the hydroisomerization of alkanes. Journal of Catalysis. 254(1). 12–26. 63 indexed citations
6.
Roldán, Rafael, Manuel Sánchez‐Sánchez, Gopinathan Sankar, Francisco J. Romero‐Salguero, & César Jiménez‐Sanchidrián. (2006). Influence of pH and Si content on Si incorporation in SAPO-5 and their catalytic activity for isomerisation of n-heptane over Pt loaded catalysts. Microporous and Mesoporous Materials. 99(3). 288–298. 57 indexed citations
7.
Roldán, Rafael, et al.. (2006). Transformation of α-olefins over Pt–M (M=Re, Sn, Ge) supported chlorinated alumina. Fuel. 86(7-8). 1000–1007. 10 indexed citations
8.
Roldán, Rafael, Francisco J. Romero‐Salguero, César Jiménez‐Sanchidrián, J. M. Marinas, & Juan Pedro Montávez Gómez. (2005). Influence of acidity and pore geometry on the product distribution in the hydroisomerization of light paraffins on zeolites. Applied Catalysis A General. 288(1-2). 104–115. 76 indexed citations
9.
Roldán, Rafael, et al.. (2004). Transformation of mixtures of benzene and xylenes into toluene by transalkylation on zeolites. Applied Catalysis A General. 266(2). 203–210. 17 indexed citations
10.
Jiménez, César, Francisco J. Romero‐Salguero, Rafael Roldán, J. M. Marinas, & Juan Pedro Montávez Gómez. (2003). Hydroisomerization of a hydrocarbon feed containing n-hexane, n-heptane and cyclohexane on zeolite-supported platinum catalysts. Applied Catalysis A General. 249(1). 175–185. 71 indexed citations
11.
Aramendía, Maite, Victoriano Boráu, César Jiménez, et al.. (2002). Catalytic Application of Zeolites in the Methanol Conversion to Hydrocarbons. Chemistry Letters. 31(7). 672–673. 16 indexed citations
12.
Roldán, Rafael, Vidal Barrón, & J. Torrent. (2002). Experimental alteration of vivianite to lepidocrocite in a calcareous medium. Clay Minerals. 37(4). 709–718. 39 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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