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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 47 15749 14207 636 611 129 6991

César Valderrama publications per year

The chart shows the history of publications by César Valderrama between 2001 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. César Valderrama published across 26 years, from 2001 to 2026, averaging 6.8 papers a year. Output peaked at 22 publications in 2022. 6 of the 177 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 2001 to 2026. Vertical axis: number of publications, 0 to 22. Peak 22 publications in 2022. 2001: 1 publication 2002: 0 publications 2003: 0 publications 2004: 0 publications 2005: 0 publications 2006: 0 publications 2007: 2 publications 2008: 4 publications 2009: 3 publications 2010: 8 publications 2011: 5 publications 2012: 5 publications 2013: 6 publications 2014: 7 publications 2015: 12 publications 2016: 18 publications 2017: 6 publications 2018: 10 publications 2019: 7 publications 2020: 14 publications 2021: 16 publications 2022: 22 publications 2023: 19 publications 2024: 6 publications 2025: 4 publications 2026: 2 publications
2001 2026

177 publications in total across all disciplines

View publications per year as a table
César Valderrama: publications per year, 2001 to 2026
Year Publications
2001 1
2002 0
2003 0
2004 0
2005 0
2006 0
2007 2
2008 4
2009 3
2010 8
2011 5
2012 5
2013 6
2014 7
2015 12
2016 18
2017 6
2018 10
2019 7
2020 14
2021 16
2022 22
2023 19
2024 6
2025 4
2026 2
Total 177
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César Valderrama publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where César Valderrama sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 121–140 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 129 publications — 8th percentile

8% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918 129
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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César Valderrama D-index placement in Chemistry in 2026

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

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 46–47 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 47 D-Index — 14th percentile

14% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776 47
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

César Valderrama is affiliated with the Universitat Politècnica de Catalunya in Spain. Their research primarily focuses on environmental science and engineering, with particular emphasis on water science and technology, industrial and manufacturing engineering, mechanical engineering, biomedical engineering, and pollution.

The scientist's main fields of study include:

  • Environmental Science
  • Engineering

Key subfields in which they publish are:

  • Water Science and Technology
  • Industrial and Manufacturing Engineering
  • Mechanical Engineering
  • Biomedical Engineering
  • Pollution

Valderrama's research covers various topics, notably:

  • Membrane Separation Technologies
  • Phosphorus and nutrient management
  • Membrane-based Ion Separation Techniques
  • Extraction and Separation Processes
  • Adsorption and biosorption for pollutant removal
  • Wastewater Treatment and Nitrogen Removal
  • Constructed Wetlands for Wastewater Treatment

Frequent coauthors in their work include:

  • José Luis Cortina
  • Mónica Reig
  • Xanel Vecino
  • J. López
  • Mariana Figueira

The scientist regularly publishes in several venues, with the most frequent being:

  • The Science of The Total Environment
  • Separation and Purification Technology
  • Journal of Environmental Management
  • Membranes
  • Journal of environmental chemical engineering

Recent papers by César Valderrama include:

  • Polyphenols and their potential role to fight viral diseases: An overview, 2021, The Science of The Total Environment
  • ClimateCompatibleGrowth/clicSAND: v1.1, 2021, Zenodo (CERN European Organization for Nuclear Research)
  • Recovery of rare earth elements from acidic mine waters: An unknown secondary resource, 2021, The Science of The Total Environment
  • Fruit and vegetable processing wastes as natural sources of antioxidant-rich extracts: Evaluation of advanced extraction technologies by surface response methodology, 2021, Journal of environmental chemical engineering
  • Phosphate recovery from aqueous solution by K-zeolite synthesized from fly ash for subsequent valorisation as slow release fertilizer, 2020, The Science of The Total Environment

Best Publications

  • Simultaneous phosphate and ammonium removal from aqueous solution by a hydrated aluminum oxide modified natural zeolite

    Diana Guaya;Diana Guaya;César Valderrama;Adriana Farran;Chabaco Armijos

  • Sorption kinetics of polycyclic aromatic hydrocarbons removal using granular activated carbon: Intraparticle diffusion coefficients

    C. Valderrama;X. Gamisans;X. de las Heras;A. Farrán

  • Phenol removal from aqueous solution by adsorption and ion exchange mechanisms onto polymeric resins

    Michelle Caetano;César Valderrama;Adriana Farran;José Luis Cortina

  • Implementation of best available techniques in cement manufacturing: a life-cycle assessment study

    César Valderrama;Ricard Granados;José Luis Cortina;Carles M. Gasol

  • Application of ZnO nanostructures in ceramic and polymeric membranes for water and wastewater technologies: A review

    Mahdi Sheikh;Mahdieh Pazirofteh;Mostafa Dehghani;Morteza Asghari

  • Concentration of NaCl from seawater reverse osmosis brines for the chlor-alkali industry by electrodialysis

    Mònica Reig;Sandra Casas;Carlos Aladjem;César Valderrama

  • Polyphenols and their potential role to fight viral diseases: An overview.

    María Fernanda Montenegro-Landívar;Paulina Tapia-Quirós;Xanel Vecino;Mònica Reig

  • Extraction of valuable metal ions (Cs, Rb, Li, U) from reverse osmosis concentrate using selective sorbents

    Michaela Petersková;César Valderrama;Oriol Gibert;José Luis Cortina

  • Recovery of ammonia from domestic wastewater effluents as liquid fertilizers by integration of natural zeolites and hollow fibre membrane contactors

    I. Sancho;E. Licon;C. Valderrama;N. de Arespacochaga

  • Biogas deep clean-up based on adsorption technologies for solid oxide fuel cell applications

    N. de Arespacochaga;C. Valderrama;C. Mesa;L. Bouchy

  • Kinetics of sorption of polyaromatic hydrocarbons onto granular activated carbon and Macronet hyper-cross-linked polymers (MN200)

    C. Valderrama;J.L. Cortina;A. Farran;X. Gamisans

  • Integration of monopolar and bipolar electrodialysis for valorization of seawater reverse osmosis desalination brines: Production of strong acid and base

    M. Reig;S. Casas;C. Valderrama;O. Gibert

  • Understanding the effects of the origin, occurrence, monitoring, control, fate and removal of siloxanes on the energetic valorization of sewage biogas - A review

    N. de Arespacochaga;C. Valderrama;J. Raich-Montiu;M. Crest

  • Integration of nanofiltration and bipolar electrodialysis for valorization of seawater desalination brines: production of drinking and waste water treatment chemicals

    M. Reig;S. Casas;O. Gibert;C. Valderrama

  • Selectrodialysis and bipolar membrane electrodialysis combination for industrial process brines treatment: Monovalent-divalent ions separation and acid and base production

    Mònica Reig;César Valderrama;Oriol Gibert;José Luis Cortina

  • Oxidation by Fenton's reagent combined with biological treatment applied to a creosote-comtaminated soil.

    C. Valderrama;R. Alessandri;T. Aunola;J.L. Cortina

  • Comparative LCA of sewage sludge valorisation as both fuel and raw material substitute in clinker production

    Cesar Valderrama;Ricard Granados;Jose Luis Cortina;Carles M. Gasol

  • Liquid fertilizer production by ammonia recovery from treated ammonia-rich regenerated streams using liquid-liquid membrane contactors

    X. Vecino;M. Reig;B. Bhushan;O. Gibert

  • Fly ash as reactive sorbent for phosphate removal from treated waste water as a potential slow release fertilizer

    Mehrez Hermassi;Mehrez Hermassi;César Valderrama;Natalia Moreno;Oriol Font

  • Kinetic evaluation of phenol/aniline mixtures adsorption from aqueous solutions onto activated carbon and hypercrosslinked polymeric resin (MN200)

    César Valderrama;Joan I. Barios;Michelle Caetano;Adriana Farran

Frequent Co-Authors

José Luis Cortina
José Luis Cortina Universitat Politècnica de Catalunya
Aliakbar Akbarzadeh
Aliakbar Akbarzadeh RMIT University
Xavier Querol
Xavier Querol Spanish National Research Council
Natalia Moreno
Natalia Moreno Spanish National Research Council
M. del Valle
M. del Valle Autonomous University of Barcelona
Salvador Alegret
Salvador Alegret Autonomous University of Barcelona
Mashallah Rezakazemi
Mashallah Rezakazemi Shahrood University of Technology
Carles M. Gasol
Carles M. Gasol Autonomous University of Barcelona
Ignasi Sirés
Ignasi Sirés University of Barcelona
Romà Tauler
Romà Tauler Spanish National Research Council

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