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Engineering and Technology
Canada
2023

D-Index & Metrics

Engineering and Technology

D-Index
95
Citations
30989
World Ranking
202
National Ranking
9

John R. Grace 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 John R. Grace 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: 595 publications — 97th percentile

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

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

John R. Grace 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 John R. Grace 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: 95 D-Index — 98th percentile

98% 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

  • 2023 - Research.com Engineering and Technology in Canada Leader Award
  • 2022 - Research.com Engineering and Technology in Canada Leader Award
  • 2001 - Fellow of the Royal Society of Canada Academy of Science
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering

Overview

John R. Grace was affiliated with the University of British Columbia in Canada. Their research primarily spanned the field of Engineering, with specific emphasis on Mechanical Engineering, Computational Mechanics, Biomedical Engineering, Civil and Structural Engineering, and Environmental Chemistry.

The main topics covered in their work included granular flow and fluidized beds, chemical looping and thermochemical processes, iron and steelmaking processes, mineral processing and grinding, cyclone separators and fluid dynamics, carbon dioxide capture technologies, and per- and polyfluoroalkyl substances research.

The scientist had a series of recent publications, including:

  • Aerobic biotransformation of fluorotelomer compounds in landfill leachate-sediment (2020) published in The Science of The Total Environment
  • Connecting particle sphericity and circularity (2020) published in Particuology
  • Simulation of heavy metals behaviour during Co-processing of fly ash from municipal solid waste incineration with cement raw meal in a rotary kiln (2022) published in Waste Management
  • Effect of calcination/carbonation and oxidation/reduction on attrition of binary solid species in sorption-enhanced chemical looping reforming (2020) published in Fuel
  • Effect of substrate concentrations on aerobic biotransformation of 6:2 fluorotelomer sulfonate (6:2 FTS) in landfill leachate (2020) published in Chemosphere

John R. Grace also contributed to book literature, including a publication with Springer Nature (Netherlands) titled Production of Biofuels and Chemicals from Sustainable Recycling of Organic Solid Waste (2022).

Their frequent coauthors were:

  • Naoko Ellis
  • Xiaotao Bi
  • Arian Ebneyamini
  • Jun Young Kim
  • C. Jim Lim

The scientist published multiple works in venues such as Chemical Engineering Science, Fuel, The Canadian Journal of Chemical Engineering, Powder Technology, and The Science of The Total Environment.

Recognition received included being named a Fellow of the Royal Society of Canada in 2001 and membership in The Canadian Academy of Engineering.

Best Publications

  • Biomass gasification in a circulating fluidized bed

    X.T. Li;J.R. Grace;C.J. Lim;A.P. Watkinson

  • Contacting modes and behaviour classification of gas—solid and other two-phase suspensions

    John R. Grace

  • A State-of-the-Art Review of Gas-Solid Turbulent Fluidization

    H.T. Bi;N. Ellis;I.A. Abba;J.R. Grace

  • Equilibrium modeling of gasification: a free energy minimization approach and its application to a circulating fluidized bed coal gasifier

    X Li;J.R Grace;A.P Watkinson;C.J Lim

  • Flow regime diagrams for gas-solid fluidization and upward transport

    H.T. Bi;J.R. Grace

  • Sorption-enhanced steam reforming of methane in a fluidized bed reactor with dolomite as CO2-acceptor

    K. Johnsen;H.J. Ryu;J.R. Grace;C.J. Lim

  • The effect of CaO sintering on cyclic CO2 capture in energy systems

    P. Sun;J. R. Grace;C. J. Lim;E. J. Anthony

  • Hydrodynamics of gas-solid fluidization

    K.S Lim;J.X Zhu;J.R Grace

  • Circulating fluidized beds

    J. R. Grace;A. A. Avidan;T. M. Knowlton

  • Determination of intrinsic rate constants of the CaO–CO2 reaction

    Ping Sun;John R. Grace;C. Jim Lim;Edward J. Anthony

  • Fluidization of biomass particles: A review of experimental multiphase flow aspects

    Heping Cui;John R. Grace

  • CFD modelling of a liquid–solid fluidized bed

    Jack T. Cornelissen;Fariborz Taghipour;Renaud Escudié;Renaud Escudié;Naoko Ellis

  • Per- and Polyfluoroalkyl Substances in Landfill Leachate: Patterns, Time Trends, and Sources

    Jonathan P. Benskin;Jonathan P. Benskin;Belinda Li;Michael G. Ikonomou;John R. Grace

  • Verification and validation of CFD models and dynamic similarity for fluidized beds

    John R. Grace;Fariborz Taghipour

  • Effect of bubble interaction on interphase mass transfer in gas fluidized beds

    S.P. Sit;J.R. Grace

  • Cocurrent downflow circulating fluidized bed (downer) reactors — A state of the art review

    J.-X. Zhu;Z.-Q. Yu;Y. Jin;J. R. Grace

  • Influence of particle size distribution on the performance of fluidized bed reactors

    J. R. Grace;G. Sun

  • Study of wall boundary condition in numerical simulations of bubbling fluidized beds

    Tingwen Li;John Grace;Xiaotao Bi

  • Fuel characterization and co-pyrolysis kinetics of biomass and fossil fuels

    Mohammad S. Masnadi;Rozita Habibi;Jan Kopyscinski;Josephine M. Hill

  • Particle velocity profiles and solid flow patterns in spouted beds

    Y.-L. He;S.-Z. Qin;S.-Z. Qin;C. J. Lim;J. R. Grace

Frequent Co-Authors

C. Jim Lim
C. Jim Lim University of British Columbia
Xiaotao Bi
Xiaotao Bi University of British Columbia
Norman Epstein
Norman Epstein University of British Columbia
Naoko Ellis
Naoko Ellis University of British Columbia
Loretta Y. Li
Loretta Y. Li University of British Columbia
Said S.E.H. Elnashaie
Said S.E.H. Elnashaie University of British Columbia
Roland Clift
Roland Clift University of Surrey
Edward J. Anthony
Edward J. Anthony Cranfield University
Jamal Chaouki
Jamal Chaouki Polytechnique Montréal
Jesse Zhu
Jesse Zhu University of Western Ontario

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