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Engineering and Technology
Spain
2026

D-Index & Metrics

Engineering and Technology

D-Index
88
Citations
25630
World Ranking
325
National Ranking
5

Juan Adánez 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 Juan Adánez sits on this spectrum.

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 publications 804+

This scientist: 290 publications — 74th percentile

74% of scientists in this discipline score the same or lower.

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

Juan Adánez 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 Juan Adánez sits on this spectrum.

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: 88 D-Index — 97th percentile

97% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Engineering and Technology in Spain Leader Award
  • 2025 - Research.com Engineering and Technology in Spain Leader Award
  • 2022 - Research.com Engineering and Technology in Spain Leader Award

Overview

Juan Adánez is affiliated with the Instituto de Carboquímica in Spain and has contributed extensively to the field of Engineering, with a focus on Chemical Looping and Thermochemical Processes. Their research spans areas including Industrial Gas Emission Control, Thermal and Kinetic Analysis, Carbon Dioxide Capture Technologies, Thermochemical Biomass Conversion Processes, Catalysts for Methane Reforming, and Oil, Gas, and Environmental Issues.

Their work has been published in numerous scientific venues. Frequent publication outlets include:

  • Fuel
  • Energy & Fuels
  • Fuel Processing Technology
  • Chemical Engineering Journal
  • Industrial & Engineering Chemistry Research

Among the co-authors with whom Juan Adánez has regularly collaborated are Alberto Abad, Francisco García-Labiano, Luis F. de Diego, M.T. Izquierdo, and Iñaki Adánez-Rubio.

Juan Adánez's recent papers highlight their research in biomass chemical looping gasification and syngas production:

  • Biomass chemical looping gasification for syngas production using ilmenite as oxygen carrier in a 1.5 kWth unit, 2020, Chemical Engineering Journal
  • Biomass Chemical Looping Gasification of pine wood using a synthetic Fe2O3/Al2O3 oxygen carrier in a continuous unit, 2020, Bioresource Technology
  • Biomass chemical looping gasification for syngas production using LD Slag as oxygen carrier in a 1.5 kWth unit, 2021, Fuel Processing Technology
  • Syngas Production in a 1.5 kWth Biomass Chemical Looping Gasification Unit Using Fe and Mn Ores as the Oxygen Carrier, 2021, Energy & Fuels
  • Increasing energy efficiency in chemical looping combustion of methane by in-situ activation of perovskite-based oxygen carriers, 2021, Applied Energy

The scientist's research addresses key topics including development and optimization of oxygen carriers for chemical looping processes and improving energy efficiency in combustion applications. Their studies on biomass feedstocks such as pine wood and the use of industrial by-products like LD Slag have implications for renewable energy and sustainability.

Juan Adánez's subfield expertise encompasses Biomedical Engineering, Mechanical Engineering, Materials Chemistry, Catalysis, and Renewable Energy, Sustainability and the Environment. Across these areas, their research often intersects with advanced materials and catalysis applied to energy conversion and environmental impact reduction strategies.

Best Publications

  • Progress in chemical-looping combustion and reforming technologies

    Juan Adanez;Alberto Abad;Francisco Garcia-Labiano;Pilar Gayan

  • Selection of Oxygen Carriers for Chemical-Looping Combustion

    J. Adánez;L. F. de Diego;F. García-Labiano;and P. Gayán

  • Mapping of the range of operational conditions for Cu-, Fe-, and Ni-based oxygen carriers in chemical-looping combustion

    Alberto Abad;Juan Adánez;Francisco García-Labiano;Luis F. de Diego

  • Chemical looping combustion of solid fuels

    J. Adánez;A. Abad;T. Mendiara;P. Gayán

  • Development of Cu-based oxygen carriers for chemical-looping combustion

    Luis F de Diego;Francisco Garcı́a-Labiano;Juan Adánez;Pilar Gayán

  • Ilmenite Activation during Consecutive Redox Cycles in Chemical-Looping Combustion

    Juan Adánez;Ana Cuadrat;Alberto Abad;Pilar Gayán

  • Calcination of calcium-based sorbents at pressure in a broad range of CO2 concentrations

    F. Garcı́a-Labiano;A. Abad;L.F. de Diego;P. Gayán

  • Kinetics of redox reactions of ilmenite for chemical-looping combustion

    Alberto Abad;Juan Adánez;Ana Cuadrat;Francisco García-Labiano

  • Chemical Looping Combustion in a 10 kWth Prototype Using a CuO/Al2O3 Oxygen Carrier: Effect of Operating Conditions on Methane Combustion

    Juan Adanez;Pilar Gayan;Javier Celaya;Luis F. De Diego

  • Operation of a 10 kWth chemical-looping combustor during 200 h with a CuO-Al2O3 oxygen carrier

    Luis F. de Diego;Francisco Garcı´a-Labiano;Pilar Gayán;Javier Celaya

  • Reduction Kinetics of Cu-, Ni-, and Fe-Based Oxygen Carriers Using Syngas (CO + H2) for Chemical-Looping Combustion

    Alberto Abad;Francisco Garcia-Labiano;Luis F. De Diego;Pilar Gayan

  • Impregnated CuO/Al2O3 Oxygen Carriers for Chemical-Looping Combustion: Avoiding Fluidized Bed Agglomeration

    Luis F. de Diego;Pilar Gayán;Francisco García-Labiano;Javier Celaya

  • Behavior of ilmenite as oxygen carrier in chemical-looping combustion

    A. Cuadrat;A. Abad;J. Adánez;L.F. de Diego

  • Reduction and Oxidation Kinetics of a Copper-Based Oxygen Carrier Prepared by Impregnation for Chemical-Looping Combustion

    F. García-Labiano;L. F. de Diego;J. Adánez;and A. Abad

  • Demonstration of chemical-looping with oxygen uncoupling (CLOU) process in a 1.5 kWth continuously operating unit using a Cu-based oxygen-carrier

    Alberto Abad;Iñaki Adánez-Rubio;Pilar Gayán;Francisco García-Labiano

  • Effect of Pressure on the Behavior of Copper-, Iron-, and Nickel-Based Oxygen Carriers for Chemical-Looping Combustion

    Francisco Garcia-Labiano;Juan Adanez;Luis F. de Diego;Pilar Gayan

  • Development of Cu-based oxygen carriers for Chemical-Looping with Oxygen Uncoupling (CLOU) process

    Pilar Gayán;Iñaki Adánez-Rubio;Alberto Abad;Luis F. de Diego

  • Reduction and oxidation kinetics of nickel-based oxygen-carriers for chemical-looping combustion and chemical-looping reforming

    Cristina Dueso;María Ortiz;Alberto Abad;Francisco García-Labiano

  • Temperature variations in the oxygen carrier particles during their reduction and oxidation in a chemical-looping combustion system

    Francisco García-Labiano;Luis F. de Diego;Juan Adánez;Alberto Abad

  • Effect of Fe-olivine on the tar content during biomass gasification in a dual fluidized bed

    M. Virginie;J. Adánez;C. Courson;L.F. de Diego

  • Chemical-looping combustion using syngas as fuel

    Tobias Mattisson;Francisco García-Labiano;Bernhard Kronberger;Anders Lyngfelt

Frequent Co-Authors

Francisco García-Labiano
Francisco García-Labiano Spanish National Research Council
Pilar Gayán
Pilar Gayán Spanish National Research Council
Alberto Abad
Alberto Abad Instituto de Carboquímica
Luis F. de Diego
Luis F. de Diego Spanish National Research Council
Maria Izquierdo
Maria Izquierdo Spanish National Research Council
Anders Lyngfelt
Anders Lyngfelt Chalmers University of Technology
Juan Carlos Abanades
Juan Carlos Abanades Spanish National Research Council
Rafael Moliner
Rafael Moliner Spanish National Research Council
Vanessa Fierro
Vanessa Fierro University of Lorraine
Tobias Mattisson
Tobias Mattisson Chalmers University of Technology

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