Richard T. Hallen

3.1k total citations · 1 hit paper
41 papers, 1.9k citations indexed

About

Richard T. Hallen is a scholar working on Biomedical Engineering, Mechanical Engineering and Materials Chemistry. According to data from OpenAlex, Richard T. Hallen has authored 41 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Biomedical Engineering, 7 papers in Mechanical Engineering and 7 papers in Materials Chemistry. Recurrent topics in Richard T. Hallen's work include Thermochemical Biomass Conversion Processes (15 papers), Biodiesel Production and Applications (7 papers) and Catalysis and Hydrodesulfurization Studies (6 papers). Richard T. Hallen is often cited by papers focused on Thermochemical Biomass Conversion Processes (15 papers), Biodiesel Production and Applications (7 papers) and Catalysis and Hydrodesulfurization Studies (6 papers). Richard T. Hallen collaborates with scholars based in United States. Richard T. Hallen's co-authors include Karl Albrecht, Andrew J. Schmidt, Douglas C. Elliott, Michael A. Lilga, Justin M. Billing, Todd R. Hart, Mariefel V. Olarte, Michel J. Gray, Tanner Schaub and Jacqueline M. Jarvis and has published in prestigious journals such as Environmental Science & Technology, Chemistry of Materials and The Journal of Physical Chemistry C.

In The Last Decade

Richard T. Hallen

41 papers receiving 1.9k citations

Hit Papers

1 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Process development for hydrothermal liquefaction of algae feedstocks in a continuous-flow reactor

2013 363 citations Douglas C. Elliott, Todd R. Hart et al. Algal Research profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Richard T. Hallen United States	22	1.2k	590	385	333	206	41	1.9k
Seyed Borhan Mousavi Iran	25	660 0.5×	847 1.4×	547 1.4×	343 1.0×	73 0.4×	34	1.8k
Thirasak Rirksomboon Thailand	24	718 0.6×	597 1.0×	891 2.3×	107 0.3×	62 0.3×	54	1.8k
Peigao Duan China	34	2.2k 1.8×	1.1k 1.9×	452 1.2×	640 1.9×	334 1.6×	87	3.2k
Amirhossein Houshmand Malaysia	8	554 0.4×	788 1.3×	480 1.2×	111 0.3×	57 0.3×	10	1.5k
Renato Cataluña Brazil	22	616 0.5×	338 0.6×	814 2.1×	170 0.5×	192 0.9×	38	2.0k
Vijaykumar V. Mahajani India	24	861 0.7×	781 1.3×	770 2.0×	294 0.9×	90 0.4×	63	2.1k
Olumide Bolarinwa Ayodele Malaysia	26	439 0.4×	300 0.5×	526 1.4×	340 1.0×	54 0.3×	46	1.4k
Huacong Zhou China	27	1.4k 1.1×	814 1.4×	723 1.9×	416 1.2×	43 0.2×	84	2.5k
Luis Javier Lozano Blanco Spain	23	524 0.4×	751 1.3×	239 0.6×	119 0.4×	97 0.5×	68	2.0k
María do Carmo Rangel Brazil	29	671 0.5×	534 0.9×	1.4k 3.7×	326 1.0×	47 0.2×	82	2.2k

Countries citing papers authored by Richard T. Hallen

Since Specialization

Citations

This map shows the geographic impact of Richard T. Hallen'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 Richard T. Hallen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Richard T. Hallen more than expected).

Fields of papers citing papers by Richard T. Hallen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Richard T. Hallen. 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 Richard T. Hallen. The network helps show where Richard T. Hallen may publish in the future.

Co-authorship network of co-authors of Richard T. Hallen

This figure shows the co-authorship network connecting the top 25 collaborators of Richard T. Hallen. A scholar is included among the top collaborators of Richard T. Hallen 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 Richard T. Hallen. Richard T. Hallen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Thorson, Michael R., Daniel M. Santosa, Richard T. Hallen, et al.. (2021). Scaleable Hydrotreating of HTL Biocrude to Produce Fuel Blendstocks. Energy & Fuels. 35(14). 11346–11352. 23 indexed citations

Elliott, Douglas C., et al.. (2018). Bench‐Scale Evaluation of Hydrothermal Processing Technology for Conversion of Wastewater Solids to Fuels. Water Environment Research. 90(4). 329–342. 95 indexed citations

Collett, James R., Justin M. Billing, Pimphan A. Meyer, et al.. (2018). Renewable diesel via hydrothermal liquefaction of oleaginous yeast and residual lignin from bioconversion of corn stover. Applied Energy. 233-234. 840–853. 45 indexed citations

Jarvis, Jacqueline M., Justin M. Billing, Richard T. Hallen, Andrew J. Schmidt, & Tanner Schaub. (2017). Hydrothermal Liquefaction Biocrude Compositions Compared to Petroleum Crude and Shale Oil. Energy & Fuels. 31(3). 2896–2906. 65 indexed citations

Butcher, Mark, Pimphan A. Meyer, Richard T. Hallen, et al.. (2017). Fungal metabolites as precursors to renewable transportation fuels. Fuel. 215. 123–141. 11 indexed citations

Albrecht, Karl, Yunhua Zhu, Andrew J. Schmidt, et al.. (2016). Impact of heterotrophically stressed algae for biofuel production via hydrothermal liquefaction and catalytic hydrotreating in continuous-flow reactors. Algal Research. 14. 17–27. 69 indexed citations

Elliott, Douglas C., Todd R. Hart, Andrew J. Schmidt, et al.. (2013). Process development for hydrothermal liquefaction of algae feedstocks in a continuous-flow reactor. Algal Research. 2(4). 445–454. 363 indexed citations breakdown →

Zhu, Yunhua, Karl Albrecht, Douglas C. Elliott, Richard T. Hallen, & Susanne B. Jones. (2013). Development of hydrothermal liquefaction and upgrading technologies for lipid-extracted algae conversion to liquid fuels. Algal Research. 2(4). 455–464. 134 indexed citations

Andersen, Amity, Shawn M. Kathmann, Michael A. Lilga, et al.. (2012). First-Principles Characterization of Potassium Intercalation in Hexagonal 2H-MoS₂. The Journal of Physical Chemistry C. 116(2). 1826–1832. 52 indexed citations

10.

Andersen, Amity, Shawn M. Kathmann, Michael A. Lilga, et al.. (2011). Adsorption of Potassium on MoS₂(100) Surface: A First-Principles Investigation. The Journal of Physical Chemistry C. 115(18). 9025–9040. 54 indexed citations

11.

Lilga, Michael A., Richard T. Hallen, & Michel J. Gray. (2010). Production of Oxidized Derivatives of 5-Hydroxymethylfurfural (HMF). Topics in Catalysis. 53(15-18). 1264–1269. 147 indexed citations

12.

Hallen, Richard T., et al.. (2005). Optimization of ultrafilter feed conditions using classical filtration models. Journal of Membrane Science. 265(1-2). 137–141. 5 indexed citations

13.

Rassat, Scot D., et al.. (1999). Development of an electrically switched ion exchange process for selective ion separations. Separation and Purification Technology. 15(3). 207–222. 86 indexed citations

14.

Fryxell, Glen E., Jun Liu, Zimin Nie, et al.. (1999). Design and Synthesis of Selective Mesoporous Anion Traps. Chemistry of Materials. 11(8). 2148–2154. 205 indexed citations

15.

Hess, Nancy, et al.. (1996). Characterization of Electroactive Cs Ion-Exchange Materials using XAS. MRS Proceedings. 465. 2 indexed citations

16.

Hallen, Richard T., et al.. (1996). Sizing and Desizing Polyester / Cotton Blend Yarns Using Liquid Carbon Dioxide. Textile Research Journal. 66(12). 795–802. 9 indexed citations

17.

Hallen, Richard T., et al.. (1995). Structure-function investigations of modified phenol-formaldehyde and resorcinol-formaldehyde ion-exchange resins that are selective for cesium. OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information). 1 indexed citations

18.

Cox, John, Richard T. Hallen, & Michael A. Lilga. (1994). Thermochemical Nitrate Destruction. Environmental Science & Technology. 28(3). 423–428. 23 indexed citations

19.

Hallen, Richard T., et al.. (1989). Free‐radical reactions of cyclic ethers and sulfides with bromotrichloromethane. Journal of Physical Organic Chemistry. 2(5). 367–376. 10 indexed citations

20.

Theander, Olof, et al.. (1987). Formation of aromatic compounds from carbohydrates. X reaction of xylose, glucose, and glucuronic acid in acidic solution at 300C. 4 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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