World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
63
Citations
24729
World Ranking
2405
National Ranking
68

Engineering and Technology

D-Index
61
Citations
23818
World Ranking
1985
National Ranking
34

Willi Gujer 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 Willi Gujer 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: 167 publications — 34th percentile

34% of scientists in this discipline score the same or lower.

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

Willi Gujer 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 Willi Gujer 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: 61 D-Index — 80th percentile

80% of scientists in this discipline score the same or lower.

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

Overview

Willi Gujer is affiliated with the Swiss Federal Institute of Aquatic Science and Technology in Switzerland. Their academic career is centered on the study of aquatic environments, though detailed information about specific research papers, co-authors, or publication venues is not available.

No recent papers with titles, publication years, or venues are recorded for this scientist. Consequently, no data on frequent co-authors, venues of publication, or book publishers associated with their work can be provided.

Information on the main fields of study, subfields, or specific topics covered in their research is not available, limiting the ability to elaborate on particular scientific interests or areas of expertise.

There are no recorded awards or honors associated with Willi Gujer, nor is there evidence indicating their passing, so all references remain in the present tense.

This profile is based entirely on verified affiliation and the absence of additional documented outputs or distinctions in the supplied data.

Best Publications

  • Activated sludge models ASM1, ASM2, ASM2d and ASM3

    Mogens Henze;W. Gujer;T. Mino;M.C.M. van Loosdrecht

  • Activated sludge model No. 3

    Willi Gujer;Mogens Henze;Takahashi Mino;Mark van Loosdrecht

  • Conversion processes in anaerobic digestion

    W. Gujer;A.J.B. Zehnder

  • Activated sludge model No.2D, ASM2D

    Mogens Henze;Willi Gujer;Takahashi Mino;Tomonori Matsuo

  • A general model for single-sludge wastewater treatment systems

    Mogens Henze;C. P. Leslie Grady;W. Gujer;G. V. R. Marais

  • A multispecies biofilm model

    Unknown

  • Urea hydrolysis and precipitation dynamics in a urine-collecting system.

    Kai M. Udert;Tove A. Larsen;Martin Biebow;Willi Gujer

  • Estimation of Kinetic Parameters of Heterotrophic Biomass under Aerobic Conditions and Characterization of Wastewater for Activated Sludge Modelling

    J. Kappeler;W. Gujer

  • Practical identifiability of ASM2d parameters—systematic selection and tuning of parameter subsets

    Roland Brun;Roland Brun;Martin Kühni;Hansruedi Siegrist;Willi Gujer

  • Mathematical model for meso- and thermophilic anaerobic sewage sludge digestion.

    Hansruedi Siegrist;Dea Vogt;Jaime L Garcia-Heras;Willi Gujer

  • Separate management of anthropogenic nutrient solutions (human urine)

    Tove A. Larsen;Willi Gujer

  • The Activated Sludge Model No. 2: Biological Phosphorus Removal

    W. Gujer;Mogens Henze;T. Mino;T. Matsuo

  • Fate of major compounds in source-separated urine

    K.M. Udert;T.A. Larsen;W. Gujer

  • The EAWAG Bio-P module for activated sludge model No. 3.

    L. Rieger;G. Koch;M. Kühni;W. Gujer

  • Struvite precipitation thermodynamics in source-separated urine.

    Mariska Ronteltap;Max Maurer;Max Maurer;Willi Gujer;Willi Gujer

  • Estimating the precipitation potential in urine-collecting systems.

    Kai M. Udert;Tove A. Larsen;Willi Gujer

  • The behaviour of pharmaceuticals and heavy metals during struvite precipitation in urine

    Mariska Ronteltap;Max Maurer;Max Maurer;Willi Gujer;Willi Gujer

  • Struvite precipitation from urine - Influencing factors on particle size.

    Mariska Ronteltap;Max Maurer;Rainer Hausherr;Rainer Hausherr;Willi Gujer;Willi Gujer

  • The concept of sustainable Urban Water Management

    Tove A. Larsen;Willi Gujer

  • Transfer of volatile substances from water to the atmosphere

    Christine Matter-Müller;Willi Gujer;Walter Giger

  • Nitric and nitrous oxides from denitrifying activated sludge at low oxygen concentration

    R. von Schulthess;D. Wild;W. Gujer

Frequent Co-Authors

Hansruedi Siegrist
Hansruedi Siegrist Swiss Federal Institute of Aquatic Science and Technology
Tove A. Larsen
Tove A. Larsen Swiss Federal Institute of Aquatic Science and Technology
Max Maurer
Max Maurer Swiss Federal Institute of Aquatic Science and Technology
Mogens Henze
Mogens Henze Technical University of Denmark
Markus Boller
Markus Boller Swiss Federal Institute of Aquatic Science and Technology
Walter Giger
Walter Giger Swiss Federal Institute of Aquatic Science and Technology
Urs von Gunten
Urs von Gunten Swiss Federal Institute of Aquatic Science and Technology
Christoph Ort
Christoph Ort Swiss Federal Institute of Aquatic Science and Technology
Wolfgang Rauch
Wolfgang Rauch University of Innsbruck
M. C. Wentzel
M. C. Wentzel University of Cape Town

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