World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
74
Citations
17597
World Ranking
4771
National Ranking
131

Rafael Borja 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 Rafael Borja sits on this spectrum.

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 publications 1,295+

This scientist: 316 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

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

Rafael Borja 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 Rafael Borja sits on this spectrum.

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 D-Index 159+

This scientist: 74 D-Index — 75th percentile

75% of scientists in this discipline score the same or lower.

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

Overview

Rafael Borja is affiliated with the Spanish National Research Council in Spain. Their research primarily spans the fields of Engineering and Environmental Science, with notable activity in several subfields including Building and Construction, Biomedical Engineering, Industrial and Manufacturing Engineering, Renewable Energy, Sustainability and the Environment, and Molecular Biology.

The main research topics covered by Rafael Borja include:

  • Anaerobic Digestion and Biogas Production
  • Biofuel Production and Bioconversion
  • Algal Biology and Biofuel Production
  • Phosphorus and Nutrient Management
  • Edible Oils Quality and Analysis
  • Wastewater Treatment and Nitrogen Removal
  • Constructed Wetlands for Wastewater Treatment

Rafael Borja has contributed to multiple publications in notable scientific journals. Some recent papers include:

  • Application of zeolites for biological treatment processes of solid wastes and wastewaters - A review, 2020, Bioresource Technology
  • Predictive regression models for biochemical methane potential tests of biomass samples: Pitfalls and challenges of laboratory measurements, 2020, Renewable and Sustainable Energy Reviews
  • Influence of phenols and furans released during thermal pretreatment of olive mill solid waste on its anaerobic digestion, 2020, Waste Management
  • Effect of organic loading rate on the anaerobic digestion of swine waste with biochar addition, 2021, Environmental Science and Pollution Research
  • Enhancing methane production from the invasive macroalga Rugulopteryx okamurae through anaerobic co-digestion with olive mill solid waste: process performance and kinetic analysis, 2021, Journal of Applied Phycology

Frequent coauthors include:

  • María José Fernández-Rodríguez
  • D. de la Lama-Calvente
  • Juan Manuel Mancilla-Leytón
  • Juan Cubero-Cardoso
  • Fernando G. Fermoso

Rafael Borja has published regularly in journals that include:

  • Waste Management
  • Biomass Conversion and Biorefinery
  • Journal of Environmental Management
  • Journal of Environmental Science and Health Part A
  • Journal of Applied Phycology

Best Publications

  • Use of the water quality index and dissolved oxygen deficit as simple indicators of watersheds pollution

    Enrique Sánchez;Manuel F. Colmenarejo;Juan Vicente;Angel Rubio

  • Anaerobic digestion of solid organic substrates in batch mode: An overview relating to methane yields and experimental procedures

    F. Raposo;M.A. De la Rubia;V. Fernández-Cegrí;R. Borja

  • Biochemical methane potential (BMP) of solid organic substrates: evaluation of anaerobic biodegradability using data from an international interlaboratory study

    F. Raposo;V. Fernández-Cegrí;M.A. De la Rubia;R. Borja

  • Influence of inoculum to substrate ratio on the biochemical methane potential of maize in batch tests

    F. Raposo;C.J. Banks;I. Siegert;S. Heaven

  • Application of natural zeolites in anaerobic digestion processes: A review

    Silvio Montalvo;Lorna Guerrero;Rafael Borja;Enrique Sánchez

  • Influence of inoculum–substrate ratio on the anaerobic digestion of sunflower oil cake in batch mode: Process stability and kinetic evaluation

    F. Raposo;R. Borja;M.A. Martín;A. Martín

  • Comparative effect of different aerobic pretreatments on the kinetics and macroenergetic parameters of anaerobic digestion of olive mill wastewater in continuous mode

    R. Borja;J. Alba;A. Mancha;A. Martín

  • Heavy Metal Removal by Microalgae

    L Travieso;R O Cañizares;R Borja;F Benítez

  • Trace Metals in Anaerobic Granular Sludge Reactors: Bioavailability and Dosing Strategies

    M. H. Zandvoort;E. D. Van Hullebusch;Fernando G. Fermoso;P. N. L. Lens

  • Effect of organic loading rate on the stability, operational parameters and performance of a secondary upflow anaerobic sludge bed reactor treating piggery waste.

    E Sánchez;R Borja;L Travieso;A Martín

  • Methylene blue number as useful indicator to evaluate the adsorptive capacity of granular activated carbon in batch mode: Influence of adsorbate/adsorbent mass ratio and particle size

    F. Raposo;M.A. De La Rubia;R. Borja

  • Influence of organic loading rate and hydraulic retention time on the performance, stability and microbial communities of one-stage anaerobic digestion of two-phase olive mill solid residue

    B. Rincón;R. Borja;J.M. González;M.C. Portillo

  • Aerobic biodegradation and detoxification of wastewaters from the olive oil industry

    K. Fadil;A. Chahlaoui;A. Ouahbi;A. Zaid

  • Anaerobic treatment of palm oil mill effluent in a two stage up-flow anaerobic sludge blanket (UASB) system

    Rafael Borja;Charles J Banks;Enrique Sánchez

  • Influence of ammonia concentration on thermophilic anaerobic digestion of cattle manure in upflow anaerobic sludge blanket (UASB) reactors

    Rafael Borja;Enrique Sánchez;Peter Weiland

  • Metal supplementation to UASB bioreactors: from cell-metal interactions to full-scale application.

    Fernando G. Fermoso;Jan Bartacek;Jan Bartacek;Stefan Jansen;Piet N.L. Lens;Piet N.L. Lens

  • Aerobic–anaerobic biodegradation of beet molasses alcoholic fermentation wastewater

    Antonia M. Jiménez;Rafael Borja;Antonio Martı́n

  • Influence of different aerobic pretreatments on the kinetics of anaerobic digestion of olive mill wastewater

    R. Borja;A. Martín;V. Alonso;I. García

  • Assessment of a modified and optimised method for determining chemical oxygen demand of solid substrates and solutions with high suspended solid content.

    Francisco Raposo;M A de la Rubia;R Borja;M Alaiz

  • Influence of different natural zeolite concentrations on the anaerobic digestion of piggery waste.

    Z. Milan;Enrique Sanchez;Peter Weiland;R. Borja

  • Enhancement of the anaerobic digestion of olive mill wastewater by the removal of phenolic inhibitors

    R. Borja;A. Martin;R. Maestro;J. Alba

Frequent Co-Authors

Charles J. Banks
Charles J. Banks University of Southampton
Ramón Méndez
Ramón Méndez University of Santiago de Compostela
David Jeison
David Jeison Pontificial Catholic University of Valparaiso
Angel F. Mohedano
Angel F. Mohedano Autonomous University of Madrid
Cesáreo Sáiz-Jiménez
Cesáreo Sáiz-Jiménez Spanish National Research Council
Sonia Heaven
Sonia Heaven University of Southampton
Prasad Kaparaju
Prasad Kaparaju Griffith University
Fabrice Béline
Fabrice Béline European University of Brittany
Manuel Alaiz
Manuel Alaiz Pablo de Olavide University
Mohammad Reza Saeb
Mohammad Reza Saeb Gdańsk Medical University

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