World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
55
Citations
10786
World Ranking
3862
National Ranking
1

Ahmed El Nemr 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 Ahmed El Nemr 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: 174 publications — 53rd percentile

53% of scientists in this discipline score the same or lower.

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

Ahmed El Nemr 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 Ahmed El Nemr 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: 55 D-Index — 61st percentile

61% of scientists in this discipline score the same or lower.

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

Overview

Ahmed El Nemr is affiliated with the National Institute of Oceanography and Fisheries in Egypt. Their research primarily focuses on environmental science, with significant contributions to various subfields including water science and technology, materials chemistry, organic chemistry, renewable energy, sustainability and the environment, as well as industrial and manufacturing engineering.

Their work covers a range of topics central to understanding and improving environmental quality and pollution control. These include adsorption and biosorption for pollutant removal, nanomaterials for catalytic reactions, advanced photocatalysis techniques, dye analysis and toxicity, phosphorus and nutrient management, heavy metals in the environment, and the development of analytical chemistry methods.

Ahmed El Nemr has published extensively, with notable papers such as:

  • Evaluation of Cationic Methylene Blue Dye Removal by High Surface Area Mesoporous Activated Carbon Derived from Ulva lactuca (2021) in Environmental Processes
  • Pesticides pollution: Classifications, human health impact, extraction and treatment techniques (2020) in The Egyptian Journal of Aquatic Research
  • Principles of Photocatalysts and Their Different Applications: A Review (2023) in Topics in Current Chemistry
  • Surface modifications of nanochitosan coated magnetic nanoparticles and their applications in Pb(II), Cu(II) and Cd(II) removal (2020) in Journal of environmental chemical engineering
  • Adsorption of methylene blue (MB) dye on ozone, purified and sonicated sawdust biochars (2022) in Biomass Conversion and Biorefinery

The scientist maintains frequent collaborations with other researchers, including Mohamed A. Hassaan, Safaa Ragab, Mohamed A. El-Nemr, Marwa R. Elkatory, and Amany El Sikaily, reflecting a network of co-authors engaged in similar fields of study.

Their publications appear often in venues such as Scientific Reports, Biomass Conversion and Biorefinery, Desalination and Water Treatment, Environmental Science and Pollution Research, and Carbon letters. These platforms emphasize disciplines related to environmental and chemical engineering sciences.

Best Publications

  • Pesticides pollution: Classifications, human health impact, extraction and treatment techniques

    Mohamed A. Hassaan;Ahmed El Nemr

  • Health and Environmental Impacts of Dyes: Mini Review

    Mohamed A. Hassaan;Ahmed El Nemr

  • Removal of Direct N Blue-106 from artificial textile dye effluent using activated carbon from orange peel: adsorption isotherm and kinetic studies.

    Azza Khaled;Ahmed El Nemr;Amany El-Sikaily;Ola Abdelwahab

  • Removal of toxic chromium from wastewater using green alga Ulva lactuca and its activated carbon

    Amany El-Sikaily;Ahmed El Nemr;Azza Khaled;Ola Abdelwehab

  • Removal of direct blue-86 from aqueous solution by new activated carbon developed from orange peel

    Ahmed El Nemr;Ola Abdelwahab;Amany El-Sikaily;Azza Khaled

  • Potential of pomegranate husk carbon for Cr(VI) removal from wastewater: kinetic and isotherm studies.

    Ahmed El Nemr

  • Treatment of artificial textile dye effluent containing Direct Yellow 12 by orange peel carbon.

    Azza Khaled;Ahmed El Nemr;Amany El-Sikaily;Ola Abdelwahab

  • Treatment of wastewater containing toxic chromium using new activated carbon developed from date palm seed

    Ahmed El Nemr;Azza Khaled;Ola Abdelwahab;Amany El-Sikaily

  • Distribution and statistical analysis of leachable and total heavy metals in the sediments of the Suez Gulf.

    Ahmed El Nemr;Azza Khaled;Amany El Sikaily

  • Testing the advanced oxidation processes on the degradation of Direct Blue 86 dye in wastewater

    Mohamed A. Hassaan;Ahmed El Nemr;Fedekar F. Madkour

  • Removal of toxic chromium from aqueous solution, wastewater and saline water by marine red alga Pterocladia capillacea and its activated carbon

    Ahmed El Nemr;Amany El-Sikaily;Azza Khaled;Ola Abdelwahab

  • Total and leachable heavy metals in muddy and sandy sediments of Egyptian coast along Mediterranean Sea.

    Ahmed Moustafa El Nemr;Amany El Sikaily;Azza Khaled

  • Heavy Metals Monitoring using Bivalves from Mediterranean Sea and Red Sea

    Amany el-Sikaily;Azza Khaled;Ahmed el-Nemr

  • Contamination of polycyclic aromatic hydrocarbons (PAHs) in microlayer and subsurface waters along Alexandria coast, Egypt.

    Ahmed El Nemr;Aly M.A. Abd-Allah

  • USE OF RICE HUSK FOR ADSORPTION OF DIRECT DYES FROM AQUEOUS SOLUTION: A CASE STUDY OF DIRECT F. SCARLET

    Ola Abdelwahab;Ahmed El Nemr;Amany El Sikaily;Azza Khaled

  • The distribution and sources of polycyclic aromatic hydrocarbons in surface sediments along the Egyptian Mediterranean coast.

    Ahmed El Nemr;Tarek O. Said;Azza Khaled;Amany El-Sikaily

  • Environmental Assessment of Heavy Metal Pollution and Human Health Risk

    Mohamed A. Hassaan;Ahmed El Nemr;Fedekar F. Madkour

  • Polychlorinated biphenyls and chlorinated pesticides in mussels from the Egyptian Red Sea coast.

    Azza Khaled;Ahmed El Nemr;Tarek O. Said;Amany El-Sikaily

  • Comprehensive risk assessment of heavy metals in surface sediments along the Egyptian Red Sea coast

    Dalia M.S. Aly Salem;Azza Khaled;Ahmed El Nemr;Amany El-Sikaily

  • Copper sorption onto dried red alga Pterocladia capillacea and its activated carbon

    Amany El-Sikaily;Ahmed El Nemr;Azza Khaled

Frequent Co-Authors

Antonio M. Pantaleo
Antonio M. Pantaleo University of Bari Aldo Moro
Mohamed E. Mahmoud
Mohamed E. Mahmoud University of Alabama
M. Iqbal Choudhary
M. Iqbal Choudhary University of Karachi
Eno E. Ebenso
Eno E. Ebenso University of South Africa
Atta-ur-Rahman
Atta-ur-Rahman University of Karachi

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