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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Engineering and Technology 36 8815 8496 54 54 118 4059

Marcos Millan publications per year

The chart shows the history of publications by Marcos Millan between 2003 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Marcos Millan published across 23 years, from 2003 to 2025, averaging 6 papers a year. Output peaked at 10 publications in 2013. 7 of the 137 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 2003 to 2025. Vertical axis: number of publications, 0 to 10. Peak 10 publications in 2013. 2003: 3 publications 2004: 2 publications 2005: 7 publications 2006: 1 publication 2007: 5 publications 2008: 5 publications 2009: 6 publications 2010: 6 publications 2011: 8 publications 2012: 4 publications 2013: 10 publications 2014: 9 publications 2015: 9 publications 2016: 6 publications 2017: 10 publications 2018: 7 publications 2019: 4 publications 2020: 6 publications 2021: 8 publications 2022: 7 publications 2023: 7 publications 2024: 2 publications 2025: 5 publications
2003 2025

137 publications in total across all disciplines

View publications per year as a table
Marcos Millan: publications per year, 2003 to 2025
Year Publications
2003 3
2004 2
2005 7
2006 1
2007 5
2008 5
2009 6
2010 6
2011 8
2012 4
2013 10
2014 9
2015 9
2016 6
2017 10
2018 7
2019 4
2020 6
2021 8
2022 7
2023 7
2024 2
2025 5
Total 137
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Marcos Millan publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Marcos Millan sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: publications, 38–47 to 804+. Vertical axis: number of scientists, 0 to 457. Most scientists, 457, have 148–157 publications. The last bar groups every scientist with 804 publications or more. The highlighted bar, 118–127 publications, is where this scientist sits. 38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38–47 publications 804+

This scientist: 118 publications — 14th percentile

14% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

View publications distribution as a table
Number of Engineering and Technology scientists by publication count, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
Publications Scientists This scientist
38–47 20
48–57 35
58–67 96
68–77 135
78–87 190
88–97 259
98–107 283
108–117 369
118–127 341 118
128–137 386
138–147 372
148–157 457
158–167 415
168–177 407
178–187 421
188–197 378
198–207 403
208–217 317
218–227 346
228–237 321
238–247 260
248–257 280
258–267 240
268–277 214
278–287 242
288–297 203
298–307 166
308–317 154
318–327 175
328–337 159
338–347 99
348–357 131
358–367 106
368–377 118
378–387 97
388–397 108
398–407 82
408–417 71
418–427 64
428–437 55
438–447 54
448–457 60
458–467 47
468–477 40
478–487 30
488–497 29
498–507 38
508–517 40
518–527 32
528–537 23
538–547 28
548–557 23
558–567 19
568–577 16
578–587 17
588–597 18
598–607 22
608–617 15
618–627 9
628–637 11
638–647 21
648–657 12
658–667 9
668–677 11
678–687 9
688–697 6
698–707 14
708–717 7
718–727 8
728–737 10
738–747 9
748–757 5
758–767 5
768–777 11
778–787 7
788–797 2
798–803 4
804+ 100
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Marcos Millan D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Marcos Millan sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: D-Index, 30 to 107+. Vertical axis: number of scientists, 0 to 426. Most scientists, 426, have 42 D-Index. The last bar groups every scientist with 107 D-Index or more. The highlighted bar, 36 D-Index, is where this scientist sits. 30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 36 D-Index — 13th percentile

13% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

View D-Index distribution as a table
Number of Engineering and Technology scientists by D-index, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
D-Index Scientists This scientist
30 59
31 114
32 129
33 189
34 200
35 262
36 311 36
37 312
38 350
39 385
40 348
41 362
42 426
43 380
44 310
45 341
46 301
47 306
48 271
49 246
50 210
51 253
52 213
53 221
54 195
55 186
56 170
57 167
58 166
59 144
60 152
61 141
62 138
63 131
64 118
65 114
66 119
67 95
68 87
69 77
70 89
71 69
72 54
73 46
74 55
75 54
76 49
77 53
78 46
79 28
80 39
81 36
82 24
83 26
84 36
85 18
86 25
87 19
88 26
89 27
90 23
91 15
92 12
93 9
94 15
95 10
96 13
97 13
98 9
99 7
100 7
101 8
102 7
103 7
104 9
105 6
106 9
107+ 99
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Overview

Marcos Millan is affiliated with King Fahd University of Petroleum and Minerals in Saudi Arabia. Their research spans primarily in the fields of Engineering and Materials Science, with a particular focus on Biomedical Engineering, Mechanical Engineering, Materials Chemistry, Catalysis, and Polymers and Plastics.

Their major research topics include Thermochemical Biomass Conversion Processes, Catalysis for Biomass Conversion, Catalysis and Hydrodesulfurization Studies, Catalysts for Methane Reforming, Lignin and Wood Chemistry, Subcritical and Supercritical Water Processes, and Supercapacitor Materials and Fabrication.

Key publications by Marcos Millan cover a range of topics related to energy, catalysis, and materials science, including:

  • "Solar integrated hydrothermal processes: A review" (2020, Renewable and Sustainable Energy Reviews)
  • "Early-stage kinetics and char structural evolution during CO2 gasification of Morupule coal in a wire-mesh reactor" (2020, Chemical Engineering Journal)
  • "Understanding the correlation between microstructure and electrochemical performance of hybridized pitch cokes for lithium-ion battery through tailoring their evolutional structures from ordered soft carbon to disordered hard carbon" (2021, Journal of Alloys and Compounds)
  • "Hydrogen in Grid Balancing: The European Market Potential for Pressurized Alkaline Electrolyzers" (2022, Energies)
  • "The influence of carbon supports and their surface modification on aqueous phase highly selective hydrogenation of phenol to cyclohexanol over different Ni/carbon catalysts" (2023, Carbon)

Their frequent co-authors include:

  • Xiangyi Long
  • N. Paterson
  • Zhengwei Cui
  • Guanming Yuan
  • Jie Yu

Marcos Millan has published extensively across a variety of scientific venues. The most frequent publication venues are:

  • Fuel (8 publications)
  • International Journal of Hydrogen Energy (3 publications)
  • Energies (2 publications)
  • Carbon (2 publications)
  • Chemical Engineering Journal (2 publications)

Best Publications

  • Cellulose, xylan and lignin interactions during pyrolysis of lignocellulosic biomass

    Jie Yu;Nigel Paterson;John Blamey;Marcos Millan

  • Influence of temperature and particle size on structural characteristics of chars from Beechwood pyrolysis

    Jie Yu;Jie Yu;Lushi Sun;Lushi Sun;César Berrueco;Beatriz Fidalgo

  • Use of gasification syngas in SOFC: Impact of real tar on anode materials

    E. Lorente;M. Millan;N.P. Brandon

  • The impact of steam and current density on carbon formation from biomass gasification tar on Ni/YSZ, and Ni/CGO solid oxide fuel cell anodes

    Joshua Mermelstein;Marcos Millan;Nigel Brandon

  • Application of Water in Hydrothermal Conditions for Upgrading Heavy Oils: A Review

    P. Arcelus-Arrillaga;J. L. Pinilla;K. Hellgardt;M. Millan

  • Fouling in Crude Oil Preheat Trains: A Systematic Solution to an Old Problem

    S Macchietto;G F Hewitt;F Coletti;Barry D Crittenden

  • Structural Characterization of Large Polycyclic Aromatic Hydrocarbons. Part 1: The Case of Coal Tar Pitch and Naphthalene-Derived Pitch

    Valentina Gargiulo;Barbara Apicella;Michela Alfè;Carmela Russo

  • The impact of carbon formation on Ni–YSZ anodes from biomass gasification model tars operating in dry conditions

    J. Mermelstein;M. Millan;N.P. Brandon

  • Chemical characterization of asphaltenes from various crude oils

    Carolina Leyva;Jorge Ancheyta;César Berrueco;Marcos Millán

  • Probing Size Exclusion Mechanisms of Complex Hydrocarbon Mixtures: The Effect of Altering Eluent Compositions

    Stephanie Paul-Dauphin;Fatma Karaca;Trevor J. Morgan;Marcos Millan-Agorio

  • Assessment of olive wastes as energy source: pyrolysis, torrefaction and the key role of H loss in thermal breakdown

    Roberto Volpe;Antonio Messineo;Marcos Millan;Maurizio Volpe

  • On the Limitations of UV−Fluorescence Spectroscopy in the Detection of High-Mass Hydrocarbon Molecules

    Trevor J. Morgan;Marcos Millan;Mahtab Behrouzi;and Alan A. Herod

  • Pillared clays as catalysts for hydrocracking of heavy liquid fuels

    M.E. Gyftopoulou;M. Millan;A.V. Bridgwater;D. Dugwell

  • Characterization of Crude Oils and Their Fouling Deposits Using a Batch Stirred Cell System

    Andrew Young;Silvia Venditti;Cesur Berrueco;Mengyan Yang

  • Kinetic analysis of vacuum residue hydrocracking in early reaction stages

    H. Puron;P. Arcelus-Arrillaga;K.K. Chin;J.L. Pinilla

  • Tar Formation and Destruction in a Fixed-Bed Reactor Simulating Downdraft Gasification: Equipment Development and Characterization of Tar-Cracking Products

    Fadimatu Dabai;Nigel Paterson;Marcos Millan;Paul Fennell

  • Structural Characterization of Large Polycyclic Aromatic Hydrocarbons. Part 2: Solvent-Separated Fractions of Coal Tar Pitch and Naphthalene-Derived Pitch

    Valentina Gargiulo;Barbara Apicella;Fernando Stanzione;Antonio Tregrossi

  • Calibration of Size-Exclusion Chromatography Columns with 1-Methyl-2-pyrrolidinone (NMP)/Chloroform Mixtures as Eluent: Applications to Petroleum-Derived Samples

    Cesar Berrueco;Silvia Venditti;Trevor J. Morgan;Patricia Álvarez

  • Characterising high mass materials in heavy oil fractions by size exclusion chromatography and MALDI-mass spectrometry

    Marcos Millan;Mahtab Behrouzi;Fatma Karaca;Trevor J. Morgan

  • Nickel based monometallic and bimetallic catalysts for synthetic and real bio-oil steam reforming

    K. Bizkarra;J.M. Bermudez;P. Arcelus-Arrillaga;V.L. Barrio

  • Carbon-supported Pd nanoparticles as catalysts for anthracene hydrogenation

    J. L. Pinilla;Ana B. Garcia;Karine Philippot;Patricia Lara

  • Hydrocracking of Maya Vacuum Residue with NiMo Catalysts Supported on Mesoporous Alumina and Silica–Alumina

    Holda Purón;José Luis Pinilla;César Berrueco;J. A. Montoya de la Fuente

  • Evolution of chars during slow pyrolysis of citrus waste

    Roberto Volpe;José Miguel Bermudez Menendez;Tomas Ramirez Reina;Antonio Messineo

  • Selective Catalytic Steam Cracking of anthracene using mesoporous Al2O3 supported Ni-based catalysts doped with Na, Ca or K

    J.L. Pinilla;P. Arcelus-Arrillaga;H. Puron;M. Millan

  • The interaction of biomass gasification syngas components with tar in a solid oxide fuel cell and operational conditions to mitigate carbon deposition on nickel-gadolinium doped ceria anodes

    J. Mermelstein;M. Millan;N.P. Brandon

  • Ni-MoS2 supported on carbon nanofibers as hydrogenation catalysts: Effect of support functionalisation

    J.L. Pinilla;J.L. Pinilla;H. Purón;D. Torres;I. Suelves

  • Carbon nanofibres coated with Ni decorated MoS2 nanosheets as catalyst for vacuum residue hydroprocessing

    J.L. Pinilla;H. Purón;D. Torres;S. de Llobet

Frequent Co-Authors

Rafael Kandiyoti
Rafael Kandiyoti Imperial College London
Alan A. Herod
Alan A. Herod Imperial College London
Isabel Suelves
Isabel Suelves Spanish National Research Council
Tomas Ramirez Reina
Tomas Ramirez Reina University of Surrey
Klaus Hellgardt
Klaus Hellgardt Imperial College London
Nigel P. Brandon
Nigel P. Brandon Imperial College London
Graham T. Reed
Graham T. Reed University of Southampton
M.J. Lázaro
M.J. Lázaro Spanish National Research Council
Guozhao Ji
Guozhao Ji Dalian University of Technology
João C. Diniz da Costa
João C. Diniz da Costa University of Queensland

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