World's Best Scientists 2026 revealed!
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Environmental Sciences
UK
2023

D-Index & Metrics

Environmental Sciences

D-Index
76
Citations
22425
World Ranking
1189
National Ranking
96

Engineering and Technology

D-Index
75
Citations
21989
World Ranking
744
National Ranking
47

Simon Judd 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 Simon Judd 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: 207 publications — 51st percentile

51% of scientists in this discipline score the same or lower.

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

Simon Judd 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 Simon Judd 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: 75 D-Index — 93rd percentile

93% 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 Environmental Sciences in United Kingdom Leader Award

Overview

Simon Judd is affiliated with Cranfield University in the United Kingdom and has an extensive research background in environmental science and engineering. Their work primarily concentrates on water treatment technologies and environmental remediation.

The main fields of study for Simon Judd include:

  • Environmental Science
  • Engineering

Their research covers several subfields, notably:

  • Water Science and Technology
  • Health, Toxicology and Mutagenesis
  • Industrial and Manufacturing Engineering
  • Biomedical Engineering
  • Pollution

Simon Judd's key research topics are:

  • Membrane Separation Technologies
  • Water Treatment and Disinfection
  • Recycling and Waste Management Techniques
  • Water Systems and Optimization
  • Minerals Flotation and Separation Techniques
  • Advanced oxidation water treatment
  • Environmental remediation with nanomaterials

The scientist has contributed multiple papers to frequently targeted publication venues, including:

  • Water Research
  • Membranes
  • Process Safety and Environmental Protection
  • The Science of The Total Environment
  • Preprints.org

Recent notable publications by Simon Judd are:

  • "Influence of granular activated carbon media properties on natural organic matter and disinfection by-product precursor removal from drinking water" (2020), Water Research
  • "The status of potable water reuse implementation" (2022), Water Research
  • "Ceramic vs polymeric membrane implementation for potable water treatment" (2022), Water Research
  • "A bioassimilation and bioaccumulation model for the removal of heavy metals from wastewater using algae: New strategy" (2020), Process Safety and Environmental Protection
  • "Low-pressure membrane technology for potable water filtration: true costs" (2021), Water Research

Simon Judd has coauthored work with several frequent collaborators, including:

  • Peter Jarvis
  • Irene Carra
  • Kasro Kakil Hassan Dizayee
  • D.M. Golea
  • Bruce Jefferson

In addition to journal articles, Simon Judd has contributed to book publications. One example is:

  • "Industrial MBRs: Membrane Bioreactors for Industrial Wastewater Treatment" (2020), published by UWA Publishing

Best Publications

  • The MBR Book: Principles and Applications of Membrane Bioreactors for Water and Wastewater Treatment

    Simon Judd

  • Membrane Bioreactors for Wastewater Treatment

    T. Stephenson;K. Brindle;S. Judd;B. Jefferson

  • Membrane Fouling in Membrane Bioreactors for Wastewater Treatment

    In-Soung Chang;Pierre Le Clech;Bruce Jefferson;Simon Judd

  • The status of membrane bioreactor technology

    Simon Judd

  • Characterisation of textile wastewaters ‐ a review

    Venceslau M. Correia;Tom Stephenson;Simon J. Judd

  • Critical flux determination by the flux-step method in a submerged membrane bioreactor

    Pierre Le Clech;Bruce Jefferson;In Soung Chang;Simon J. Judd

  • Flocculation modelling : A review

    D.N. Thomas;S.J. Judd;N. Fawcett

  • Aerobic MBRs for domestic wastewater treatment: a review with cost considerations

    M. Gander;B. Jefferson;S. Judd

  • Chemical cleaning of potable water membranes: A review

    Nicandro Porcelli;Simon J. Judd

  • Grey water characterisation and its impact on the selection and operation of technologies for urban reuse

    B Jefferson;A. Palmer;P. Jeffrey;R. Stuetz

  • Magnetic amelioration of scale formation

    John S. Baker;Simon J. Judd

  • Impact of aeration, solids concentration and membrane characteristics on the hydraulic performance of a membrane bioreactor

    P Le-Clech;B Jefferson;S.J Judd

  • Technologies for domestic wastewater recycling

    B Jefferson;A Laine;S Parsons;T Stephenson

  • Membranes for industrial wastewater recovery and re-use

    Simon Judd;Bruce Jefferson

  • Membrane bioreactors vs conventional biological treatment of landfill leachate: a brief review

    Héctor Alvarez-Vazquez;Bruce Jefferson;Simon J Judd

  • The status of industrial and municipal effluent treatment with membrane bioreactor technology

    Simon J. Judd;Simon J. Judd

  • Effect of high salinity on activated sludge characteristics and membrane permeability in an immersed membrane bioreactor

    E. Reid;Xingrong Liu;S.J. Judd

  • Bio-regeneration of activated carbon: A comprehensive review

    Maisa El Gamal;Hussein A. Mousa;Muftah H. El-Naas;Renju Zacharia

  • Membrane bioreactors: Two decades of research and implementation

    A. Santos;W. Ma;S.J. Judd

  • The cost of a large-scale hollow fibre MBR

    Bart Verrecht;Thomas Maere;Ingmar Nopens;Christoph Brepols

  • Sub-critical flux fouling in membrane bioreactors : a review of recent literature

    Alfieri Pollice;Adam Brookes;Bruce Jefferson;Simon Judd

Frequent Co-Authors

Bruce Jefferson
Bruce Jefferson Cranfield University
Tom Stephenson
Tom Stephenson Cranfield University
Peter Jarvis
Peter Jarvis Cranfield University
Hazim Qiblawey
Hazim Qiblawey Qatar University
Simon A. Parsons
Simon A. Parsons Scottish Water (United Kingdom)
Mustafa S. Nasser
Mustafa S. Nasser Qatar University
Elise Cartmell
Elise Cartmell Cranfield University
Samer Adham
Samer Adham Qatar University
James E. M. Watson
James E. M. Watson University of Queensland
Fares Almomani
Fares Almomani Qatar University

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