World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
74
Citations
31489
World Ranking
1313
National Ranking
43

Engineering and Technology

D-Index
64
Citations
27798
World Ranking
1593
National Ranking
28

Hansruedi Siegrist publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Hansruedi Siegrist sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 283 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 144 publications — 38th percentile

38% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Hansruedi Siegrist D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Hansruedi Siegrist sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 199 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 19 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125+ D-Index: 99 scientists
30 D-Index 125+

This scientist: 74 D-Index — 87th percentile

87% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Overview

Hansruedi Siegrist is affiliated with the Swiss Federal Institute of Aquatic Science and Technology in Switzerland. Their research primarily focuses on Environmental Science, with specific attention to Pollution and Health, Toxicology and Mutagenesis as subfields.

The scientist's work covers topics including:

  • Pharmaceutical and Antibiotic Environmental Impacts
  • Wastewater Treatment and Nitrogen Removal
  • Water Treatment and Disinfection

Siegrist has contributed to the field through publications in recognized venues, notably the CHIMIA International Journal for Chemistry.

One of their recent papers is titled "Advanced Wastewater Treatment by Ozonation for Abatement of Micropollutants from Municipal Wastewater Effluents", published in 2025 in the CHIMIA International Journal for Chemistry.

Their collaboration network includes frequent co-authors such as:

  • Urs von Gunten
  • Christa S. McArdell
  • Christian Abegglen
  • Marc Böhler
  • Juliane Hollender

This co-authorship reflects interdisciplinary interactions in the areas of water treatment, chemical processes, and environmental toxicology.

Best Publications

  • The IWA Anaerobic Digestion Model No 1 (ADM1)

    D.J. Batstone;J. Keller;I. Angelidaki;S.V. Kalyuzhnyi

  • Biological degradation of pharmaceuticals in municipal wastewater treatment: proposing a classification scheme.

    Adriano Joss;Sebastian Zabczynski;Anke Göbel;Burkhard Hoffmann

  • Scrutinizing pharmaceuticals and personal care products in wastewater treatment.

    Thomas A. Ternes;Adriano Joss;Hansruedi Siegrist

  • Oxidation of pharmaceuticals during ozonation of municipal wastewater effluents: a pilot study.

    Marc M. Huber;Anke Göbel;Adriano Joss;Nadine Hermann

  • Removal of pharmaceuticals and fragrances in biological wastewater treatment.

    Adriano Joss;Elvira Keller;Alfredo C. Alder;Anke Göbel

  • Elimination of organic micropollutants in a municipal wastewater treatment plant upgraded with a full-scale post-ozonation followed by sand filtration.

    Juliane Hollender;Saskia G. Zimmermann;Stephan Koepke;Martin Krauss

  • Fate of sulfonamides, macrolides, and trimethoprim in different wastewater treatment technologies

    Anke Göbel;Christa S. McArdell;Adriano Joss;Hansruedi Siegrist

  • Environmental exposure assessment of fluoroquinolone antibacterial agents from sewage to soil.

    Eva M. Golet;Irene Xifra;Hansruedi Siegrist;Alfredo C. Alder

  • Behavior of Metallic Silver Nanoparticles in a Pilot Wastewater Treatment Plant

    Ralf Kaegi;Andreas Voegelin;Brian Sinnet;Steffen Zuleeg

  • Enrichment and characterization of an anammox bacterium from a rotating biological contactor treating ammonium-rich leachate.

    Konrad Egli;Urs Fanger;Pedro J.J. Alvarez;Hansruedi Siegrist

  • A rapid method to measure the solid-water distribution coefficient (Kd) for pharmaceuticals and musk fragrances in sewage sludge.

    Thomas A. Ternes;Nadine Herrmann;Matthias Bonerz;Thomas Knacker

  • Fate of estrogens in a municipal sewage treatment plant.

    Henrik Andersen;Hansruedi Siegrist;Bent Halling-Sørensen;Thomas A. Ternes

  • Removal of Estrogens in Municipal Wastewater Treatment under Aerobic and Anaerobic Conditions: Consequences for Plant Optimization

    Adriano Joss;Henrik Rasmus Andersen;Thomas Ternes;Philip R. Richle

  • Mechanisms of N2O production in biological wastewater treatment under nitrifying and denitrifying conditions.

    Pascal Wunderlin;Joachim Mohn;Adriano Joss;Lukas Emmenegger

  • Biological treatment of ammonium-rich wastewater by partial nitritation and subsequent anaerobic ammonium oxidation (anammox) in a pilot plant

    Christian Fux;Marc Boehler;Philipp Huber;Irene Brunner

  • Evaluation of a full-scale wastewater treatment plant upgraded with ozonation and biological post-treatments: Abatement of micropollutants, formation of transformation products and oxidation by-products

    Marc Bourgin;Birgit Beck;Marc Boehler;Ewa Borowska

  • Full-scale nitrogen removal from digester liquid with partial nitritation and anammox in one SBR.

    Unknown

  • Hospital wastewater treatment by membrane bioreactor: performance and efficiency for organic micropollutant elimination.

    Lubomira Kovalova;Hansruedi Siegrist;Heinz Singer;Anita Wittmer

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

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

  • Occurrence and fate of antibiotics as trace contaminants in wastewaters, sewage sludges, and surface waters

    Walter Giger;Alfredo C. Alder;Eva M. Golet;Hans-Peter E. Kohler

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

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

Frequent Co-Authors

Adriano Joss
Adriano Joss Swiss Federal Institute of Aquatic Science and Technology
Willi Gujer
Willi Gujer Swiss Federal Institute of Aquatic Science and Technology
Juliane Hollender
Juliane Hollender Swiss Federal Institute of Aquatic Science and Technology
Christa S. McArdell
Christa S. McArdell Swiss Federal Institute of Aquatic Science and Technology
Urs von Gunten
Urs von Gunten Swiss Federal Institute of Aquatic Science and Technology
Thomas A. Ternes
Thomas A. Ternes Federal Institute of Hydrology
Martin Krauss
Martin Krauss Helmholtz Centre for Environmental Research
Christoph Ort
Christoph Ort Swiss Federal Institute of Aquatic Science and Technology
Heinz Singer
Heinz Singer Swiss Federal Institute of Aquatic Science and Technology
Jörg Oehlmann
Jörg Oehlmann Goethe University Frankfurt

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