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Piet N.L. Lens

Piet N.L. Lens

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Chemistry
Ireland
2026
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Environmental Sciences
Ireland
2026

D-Index & Metrics

Environmental Sciences

D-Index
103
Citations
43264
World Ranking
311
National Ranking
2

Chemistry

D-Index
97
Citations
38080
World Ranking
1451
National Ranking
4

Piet N.L. Lens 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 Piet N.L. Lens 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: 721 publications — 99th percentile

99% of scientists in this discipline score the same or lower.

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

Piet N.L. Lens 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 Piet N.L. Lens 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: 103 D-Index — 97th percentile

97% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Chemistry in Ireland Leader Award
  • 2026 - Research.com Environmental Sciences in Ireland Leader Award
  • 2025 - Research.com Chemistry in Ireland Leader Award
  • 2025 - Research.com Environmental Sciences in Ireland Leader Award
  • 2023 - Research.com Chemistry in Ireland Leader Award
  • 2022 - Research.com Chemistry in Ireland Leader Award

Overview

Piet N.L. Lens is affiliated with the National University of Ireland, Galway, and focuses their research primarily in the fields of Environmental Science and Engineering. Their scholarly contributions include 256 publications in Environmental Science and 208 in Engineering, reflecting a broad engagement with these disciplines.

Their work extends into specialized subfields such as Biomedical Engineering, Pollution, Building and Construction, Industrial and Manufacturing Engineering, and Environmental Engineering. This multidisciplinary approach supports a diverse research portfolio addressing various environmental and engineering challenges.

Main research topics of Piet N.L. Lens include:

  • Anaerobic Digestion and Biogas Production
  • Wastewater Treatment and Nitrogen Removal
  • Biofuel Production and Bioconversion
  • Microbial Fuel Cells and Bioremediation
  • Selenium in Biological Systems
  • Membrane Separation Technologies
  • Constructed Wetlands for Wastewater Treatment

Their recent papers cover various aspects of environmental technology and sustainability. Some notable publications include:

  • Environmental performance comparison of bioplastics and petrochemical plastics: A review of life cycle assessment (LCA) methodological decisions, 2021, Resources Conservation and Recycling
  • Algae based microbial fuel cells for wastewater treatment and recovery of value-added products, 2020, Renewable and Sustainable Energy Reviews
  • A novel strategy for rapid development of a self-sustaining symbiotic algal-bacterial granular sludge: Applying algal-mycelial pellets as nuclei, 2022, Water Research
  • The dairy biorefinery: Integrating treatment processes for cheese whey valorisation, 2020, Journal of Environmental Management
  • Recycling of European plastic is a pathway for plastic debris in the ocean, 2020, Environment International

Frequent coauthors of Piet N.L. Lens include Bing Zhang, Giovanni Esposito, Wenxin Shi, Lea Chua Tan, and Stefano Papirio. Collaboration with these researchers highlights ongoing partnerships in related research areas.

The scientist publishes regularly in prominent venues such as SSRN Electronic Journal, Journal of Environmental Management, Bioresource Technology, Chemical Engineering Journal, and Chemosphere. This indicates a sustained engagement with journals focused on environmental and chemical engineering topics.

Piet N.L. Lens has contributed to book publications with UWA Publishing, including titles such as Environmental Technologies to Treat Sulfur Pollution: Principles and Engineering (2023) and Algal Systems for Resource Recovery from Waste and Wastewater (2023).

Best Publications

  • Pretreatment methods to enhance anaerobic digestion of organic solid waste

    Javkhlan Ariunbaatar;Javkhlan Ariunbaatar;Antonio Panico;Giovanni Esposito;Francesco Pirozzi

  • A review on dark fermentative biohydrogen production from organic biomass: Process parameters and use of by-products

    Anish Ghimire;Anish Ghimire;Luigi Frunzo;Francesco Pirozzi;Eric Trably

  • Anaerobic sludge granulation.

    L.W Hulshoff Pol;S.I de Castro Lopes;G Lettinga;P.N.L Lens

  • Biotechnological treatment of sulfate-rich wastewaters.

    P.N.L. Lens;A. Visser;A.J.H. Janssen;L.W. Hulshoff Pol

  • Electron donors for autotrophic denitrification

    Francesco Di Capua;Francesco Di Capua;Francesco Pirozzi;Piet N.L. Lens;Giovanni Esposito;Giovanni Esposito

  • Microbial fuel cells for sulfide removal.

    Korneel Rabaey;Kirsten Van de Sompel;Lois Maignien;Nico Boon

  • The essential toxin: the changing perception of selenium in environmental sciences.

    Markus Lenz;Piet N.L. Lens;Piet N.L. Lens

  • The ins and outs of microorganism–electrode electron transfer reactions

    Amit Kumar;Leo Huan-Hsuan Hsu;Paul Kavanagh;Frédéric Barrière

  • Selenium: environmental significance, pollution, and biological treatment technologies

    Lea Chua Tan;Yarlagadda V. Nancharaiah;Eric D. van Hullebusch;Piet N.L. Lens;Piet N.L. Lens

  • New perspectives in anaerobic digestion.

    JB Van Lier;A Tilche;BK Ahring;H Macarie

  • Ecology and Biotechnology of Selenium-Respiring Bacteria

    Y. V. Nancharaiah;Y. V. Nancharaiah;P. N. L. Lens

  • Metals removal and recovery in bioelectrochemical systems: A review.

    Y.V. Nancharaiah;Y.V. Nancharaiah;S. Venkata Mohan;P.N.L. Lens

  • Anaerobic treatment of sulphate-containing waste streams

    Emer Colleran;Siobhain Finnegan;Piet Lens

  • Low-frequency ultrasound in biotechnology: state of the art

    Ekaterina V. Rokhina;Piet N.L. Lens;Jurate Virkutyte

  • Microalgal-bacterial consortia: From interspecies interactions to biotechnological applications

    Bing Zhang;Bing Zhang;Wei Li;Yuan Guo;Zhiqiang Zhang

  • Extraction of extracellular polymeric substances (EPS) from anaerobic granular sludges: comparison of chemical and physical extraction protocols

    Paul D’Abzac;François Bordas;Eric Van Hullebusch;Piet N. L. Lens

  • Anaerobic treatment of sulphate-rich wastewaters.

    L.W. Hulshoff Pol;P.N.L. Lens;A.J.M. Stams;G. Lettinga

  • Environmental performance comparison of bioplastics and petrochemical plastics: A review of life cycle assessment (LCA) methodological decisions

    George Bishop;David Styles;David Styles;Piet N.L. Lens

  • Treatment of waste gases contaminated with odorous sulfur compounds.

    E. Smet;P. Lens;H. Van Langenhove

  • Metal immobilisation by biofilms: Mechanisms and analytical tools

    Eric D. van Hullebusch;Marcel H. Zandvoort;Piet N.L. Lens

  • Electronic waste as a secondary source of critical metals: Management and recovery technologies

    Arda Işıldar;Arda Işıldar;Eldon R. Rene;Eric D. van Hullebusch;Eric D. van Hullebusch;Piet N.L. Lens;Piet N.L. Lens

  • Decentralised sanitation and reuse

    Grietje Zeeman;Piet Lens;Gatze Lettinga

Frequent Co-Authors

Eric D. van Hullebusch
Eric D. van Hullebusch Institut de Physique du Globe de Paris
Eldon R. Rene
Eldon R. Rene IHE Delft Institute for Water Education
Gatze Lettinga
Gatze Lettinga Wageningen University & Research
Alfons J. M. Stams
Alfons J. M. Stams Wageningen University & Research
Francesco Pirozzi
Francesco Pirozzi University of Naples Federico II
Gavin Collins
Gavin Collins University of Galway
Cees J.N. Buisman
Cees J.N. Buisman Wageningen University & Research
Vincent O'Flaherty
Vincent O'Flaherty University of Galway
Kannan Pakshirajan
Kannan Pakshirajan Indian Institute of Technology Guwahati
Angelo Fontana
Angelo Fontana National Academies of Sciences, Engineering, and Medicine

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