World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
45
Citations
6871
World Ranking
5587
National Ranking
88

Christian Ludwig 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 Christian Ludwig 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: 189 publications — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Christian Ludwig 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 Christian Ludwig 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: 45 D-Index — 46th percentile

46% of scientists in this discipline score the same or lower.

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

Overview

Christian Ludwig is affiliated with the Paul Scherrer Institute in Switzerland and has a research focus concentrated within the field of Engineering. Their scholarly contributions span several subfields including Materials Chemistry, Mechanical Engineering, Industrial and Manufacturing Engineering, Biomedical Engineering, and Renewable Energy, Sustainability and the Environment.

Ludwig's research covers a range of topics that include:

  • Recycling and Waste Management Techniques
  • Catalytic Processes in Materials Science
  • Algal biology and biofuel production
  • Extraction and Separation Processes
  • Air Quality and Health Impacts
  • Structural Load-Bearing Analysis
  • Microplastics and Plastic Pollution

A selection of recent papers authored or co-authored by Ludwig includes:

  • "Algal cellulose, production and potential use in plastics: Challenges and opportunities," 2021, Algal Research
  • "The effect of sodium hydroxide on Al uptake by calcium silicate hydrates (C S H)," 2020, Journal of Colloid and Interface Science
  • "Thermodynamics and Dynamics of Supercritical Water Pseudo-Boiling," 2020, Advanced Science
  • "The effect of equilibration time on Al uptake in C-S-H," 2021, Cement and Concrete Research
  • "Separation and Recycling Potential of Rare Earth Elements from Energy Systems: Feed and Economic Viability Review," 2022, Separations

Ludwig frequently publishes alongside several collaborators, including Laura Torrent, Mohamed Tarik, Tianyu Cen, Andrea Testino, and Ajay B. Patil.

Their work often appears in multiple journals, with repeated contributions to venues such as SSRN Electronic Journal, ce/papers, Ecozon European Journal of Literature Culture and Environment, Preprints.org, and the Journal of Aerosol Science.

Best Publications

  • Assessing the life cycle costs and environmental performance of lightweight materials in automobile applications

    Robert A. Witik;Jérôme Payet;Véronique Michaud;Christian Ludwig;Christian Ludwig

  • Carbon fibre reinforced composite waste: An environmental assessment of recycling, energy recovery and landfilling

    Robert A. Witik;Remy Teuscher;Véronique Michaud;Christian Ludwig;Christian Ludwig

  • Catalytic gasification of algae in supercritical water for biofuel production and carbon capture

    Samuel Stucki;Frédéric Vogel;Christian Ludwig;Christian Ludwig;Anca G. Haiduc

  • Persistence of engineered nanoparticles in a municipal solid-waste incineration plant.

    Tobias Walser;Ludwig K. Limbach;Robert Brogioli;Esther Erismann

  • Seasonal variation of municipal solid waste generation and composition in four East European cities

    Gintaras Denafas;Tomas Ruzgas;Dainius Martuzevičius;Sergey Shmarin

  • Algal cellulose, production and potential use in plastics: Challenges and opportunities

    Enio Zanchetta;Eya Damergi;Eya Damergi;Bhavish Patel;Tobias Borgmeyer

  • Municipal solid waste management

    Christian Ludwig;Stefanie Hellweg;Samuel Stucki

  • Thermal Treatment of Metal-Enriched Biomass Produced from Heavy Metal Phytoextraction

    Catherine Keller;Christian Ludwig;Frédéric Davoli;Jörg Wochele

  • Dopant-Free Hole-Transporting Materials for Stable and Efficient Perovskite Solar Cells.

    Sanghyun Paek;Peng Qin;Yonghui Lee;Kyung Taek Cho

  • SunCHem: an integrated process for the hydrothermal production of methane from microalgae and CO2 mitigation

    Anca G. Haiduc;Martin Brandenberger;Sébastien Suquet;Frédéric Vogel

  • Bioenergy in Switzerland: Assessing the domestic sustainable biomass potential

    B. Steubing;B. Steubing;R. Zah;P. Waeger;C. Ludwig;C. Ludwig

  • Municipal solid waste management strategies and technologies for sustainable solutions

    Christian Ludwig;Stefanie Hellweg;Samuel Stucki

  • Sulphur poisoning of Ni catalysts in the SNG production from biomass: A TPO/XPS/XAS study

    Rudolf P.W.J. Struis;Rudolf P.W.J. Struis;Tilman J. Schildhauer;Izabela Czekaj;Markus Janousch

  • Assessing computer waste generation in Chile using material flow analysis

    Bernhard Steubing;Heinz Böni;Mathias Schluep;Uca Silva

  • Characterization of silver nanoparticle products using asymmetric flow field flow fractionation with a multidetector approach--a comparison to transmission electron microscopy and batch dynamic light scattering.

    H. Hagendorfer;R. Kaegi;M. Parlinska;B. Sinnet

  • Size-fractionated characterization and quantification of nanoparticle release rates from a consumer spray product containing engineered nanoparticles

    Harald Hagendorfer;Christiane Lorenz;Ralf Kaegi;Brian Sinnet

  • Visualization of supercritical water pseudo -boiling at Widom line crossover

    Florentina Maxim;Cristian Contescu;Pierre Boillat;Bojan Niceno;Bojan Niceno

  • Life cycle assessment of SNG from wood for heating, electricity, and transportation

    Bernhard Steubing;Bernhard Steubing;R. Zah;Christian Ludwig;Christian Ludwig

  • Preliminary evaluation of risks related to waste incineration of polymer nanocomposites.

    Lex Roes;Martin Kumar Patel;Ernst Worrell;Christian Ludwig;Christian Ludwig

  • Surface Complexation on TiO2, I. Adsorption of H+ and Cu2+ Ions onto TiO2 (Anatase)

    Christian Ludwig;Paul W. Schindler

  • Heat, electricity, or transportation? The optimal use of residual and waste biomass in Europe from an environmental perspective.

    Bernhard Steubing;Bernhard Steubing;Rainer Zah;Christian Ludwig;Christian Ludwig

Frequent Co-Authors

Barbara Lothenbach
Barbara Lothenbach Swiss Federal Laboratories for Materials Science and Technology
Jan Van herle
Jan Van herle École Polytechnique Fédérale de Lausanne
Christof Holliger
Christof Holliger École Polytechnique Fédérale de Lausanne
Alexander Wokaun
Alexander Wokaun Paul Scherrer Institute
William H. Casey
William H. Casey University of California, Davis
Ralf Kaegi
Ralf Kaegi Swiss Federal Institute of Aquatic Science and Technology
Olivier Jolliet
Olivier Jolliet University of Michigan–Ann Arbor
Paul Bowen
Paul Bowen École Polytechnique Fédérale de Lausanne
Mohammad Khaja Nazeeruddin
Mohammad Khaja Nazeeruddin École Polytechnique Fédérale de Lausanne

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