World's Best Scientists 2026 revealed!
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Engineering and Technology
USA
2026

D-Index & Metrics

Chemistry

D-Index
88
Citations
29597
World Ranking
2273
National Ranking
815

Engineering and Technology

D-Index
90
Citations
30413
World Ranking
264
National Ranking
93

Robert C. Brown 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 Robert C. Brown 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: 407 publications — 90th percentile

90% of scientists in this discipline score the same or lower.

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

Robert C. Brown 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 Robert C. Brown 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: 90 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 United States Leader Award
  • 2002 - Fellow of the American Society of Mechanical Engineers

Overview

Robert C. Brown is affiliated with Iowa State University in the United States. Their research spans primarily the fields of Engineering and Environmental Science, with a concentration on Biomedical Engineering, Industrial and Manufacturing Engineering, Pollution, Process Chemistry and Technology, and Soil Science.

The main topics addressed in their work include:

  • Thermochemical Biomass Conversion Processes
  • Lignin and Wood Chemistry
  • Biofuel production and bioconversion
  • Odor and Emission Control Technologies
  • Recycling and Waste Management Techniques
  • Composting and Vermicomposting Techniques
  • Microplastics and Plastic Pollution

Recent publications by Robert C. Brown include:

  • "Expanding plastics recycling technologies: chemical aspects, technology status and challenges" (2022) published in Green Chemistry
  • "Meeting global challenges with regenerative agriculture producing food and energy" (2021) published in Nature Sustainability
  • "Biochar as an Additive in Anaerobic Digestion of Municipal Sludge: Biochar Properties and Their Effects on the Digestion Performance" (2020) published in ACS Sustainable Chemistry & Engineering
  • "Enhancing Biochar as Scaffolding for Slow Release of Nitrogen Fertilizer" (2021) published in ACS Sustainable Chemistry & Engineering
  • "Capture and Release of Orthophosphate by Fe-Modified Biochars: Mechanisms and Environmental Applications" (2021) published in ACS Sustainable Chemistry & Engineering

Frequent co-authors who have collaborated extensively with Robert C. Brown include:

  • Chumki Banik
  • Ryan Smith
  • Chad A. Peterson
  • Santanu Bakshi
  • Jacek A. Koziel

The most common publication venues where Robert C. Brown has contributed multiple papers are:

  • Energy & Fuels
  • Green Chemistry
  • ACS Sustainable Chemistry & Engineering
  • Chemical Engineering Journal
  • Preprints.org

Robert C. Brown was recognized as a Fellow of the American Society of Mechanical Engineers in 2002.

Best Publications

  • Characterization of biochar from fast pyrolysis and gasification systems

    Catherine E. Brewer;Klaus Schmidt-Rohr;Justinus A. Satrio;Robert C. Brown

  • Review of the pyrolysis platform for coproducing bio-oil and biochar

    David A. Laird;Robert C. Brown;James E. Amonette;Johannes C. Lehmann

  • Techno-Economic Analysis of Biomass Fast Pyrolysis to Transportation Fuels

    Mark M. Wright;Daren E. Daugaard;Justinus A. Satrio;Robert C. Brown

  • Influence of inorganic salts on the primary pyrolysis products of cellulose

    Pushkaraj R. Patwardhan;Justinus A. Satrio;Robert C. Brown;Brent H. Shanks

  • Biorenewable Resources: Engineering New Products from Agriculture

    Robert C. Brown;Tristan R. Brown

  • A review of cleaning technologies for biomass-derived syngas

    Patrick J. Woolcock;Robert C. Brown

  • Characterization of Biochars Produced from Cornstovers for Soil Amendment

    James W. Lee;Michelle Kidder;Barbara R. Evans;Sokwon Paik

  • Expanding Plastics Recycling Technologies: Chemical Aspects, Technology Status and Challenges

    Unknown

  • Synthesis, properties, and environmental applications of nanoscale iron-based materials: A review

    Ling Li;Maohong Fan;Robert C. Brown;J. (Hans) Van Leeuwen

  • Preparation of activated carbon from forest and agricultural residues through CO2 activation

    Tengyan Zhang;Walter P. Walawender;L.T. Fan;Maohong Fan

  • Product distribution from fast pyrolysis of glucose-based carbohydrates

    Pushkaraj R. Patwardhan;Justinus A. Satrio;Robert C. Brown;Brent H. Shanks

  • Techno-economic comparison of biomass-to-transportation fuels via pyrolysis, gasification, and biochemical pathways

    Robert P. Anex;Andy Aden;Feroz Kabir Kazi;Joshua Fortman

  • Catalytic pyrolysis of individual components of lignocellulosic biomass

    Kaige Wang;Kwang Ho Kim;Robert C. Brown

  • Understanding the fast pyrolysis of lignin.

    Pushkaraj R. Patwardhan;Robert C. Brown;Brent H. Shanks

  • Product Distribution from the Fast Pyrolysis of Hemicellulose

    Pushkaraj R. Patwardhan;Robert C. Brown;Brent H. Shanks

  • Thermochemical processing of biomass : conversion into fuels, chemicals and power

    Robert C. Brown

  • Distinguishing primary and secondary reactions of cellulose pyrolysis

    Pushkaraj R. Patwardhan;Dustin L. Dalluge;Brent H. Shanks;Robert C. Brown

  • Estimating Profitability of Two Biochar Production Scenarios: Slow Pyrolysis vs. Fast Pyrolysis

    Tristan R. Brown;Mark M. Wright;Robert C. Brown

  • Fast pyrolysis of microalgae remnants in a fluidized bed reactor for bio-oil and biochar production

    Kaige Wang;Robert C. Brown;Sally Homsy;Liliana Martinez

  • Criteria to Select Biochars for Field Studies based on Biochar Chemical Properties

    Catherine E. Brewer;Rachel Unger;Klaus Schmidt-Rohr;Robert C. Brown

  • Fast pyrolysis of biomass and waste plastic in a fluidized bed reactor

    Yuan Xue;Shuai Zhou;Robert C. Brown;Atul Kelkar

  • Biochar Production Technology

    Akwasi A. Boateng;Manuel Garcia-Perez;Ondrˇej Mašek;Robert Brown

  • Characterization of bio-oil recovered as stage fractions with unique chemical and physical properties

    A.S. Pollard;M.R. Rover;R.C. Brown

Frequent Co-Authors

Maohong Fan
Maohong Fan University of Wyoming
Zhiyou Wen
Zhiyou Wen Iowa State University
Brent H. Shanks
Brent H. Shanks Iowa State University
Richard C. Miake-Lye
Richard C. Miake-Lye California Institute of Technology
David A. Laird
David A. Laird Iowa State University
Jacek A. Koziel
Jacek A. Koziel Iowa State University
Shihwu Sung
Shihwu Sung University of Hawaii at Hilo
Charles E. Kolb
Charles E. Kolb Aerodyne Research
Dermot J. Hayes
Dermot J. Hayes Iowa State University

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