World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
59
Citations
9726
World Ranking
10388
National Ranking
25

Zakaria Man 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 Zakaria Man 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: 250 publications — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Zakaria Man 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 Zakaria Man 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: 59 D-Index — 44th percentile

44% of scientists in this discipline score the same or lower.

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

Overview

Zakaria Man is affiliated with Universiti Teknologi Petronas in Malaysia. The scientist's research primarily spans the fields of Engineering and Environmental Science, with a strong focus on the subfields of Mechanical Engineering, Biomedical Engineering, Materials Chemistry, Pollution, and Water Science and Technology.

The research topics extensively covered include:

  • Wastewater Treatment and Nitrogen Removal
  • Membrane Separation Technologies
  • Membrane Separation and Gas Transport
  • Microbial Fuel Cells and Bioremediation
  • Membrane-based Ion Separation Techniques
  • Muon and positron interactions and applications
  • Graphene research and applications

Zakaria Man has contributed to several recent papers, among them:

  • "Recent progress in integrated fixed-film activated sludge process for wastewater treatment: A review" (2020), published in Journal of Environmental Management
  • "An energy-efficient membrane rotating biological contactor for wastewater treatment" (2020), published in Journal of Cleaner Production
  • "An integrated rotating biological contactor and membrane separation process for domestic wastewater treatment" (2020), published in Alexandria Engineering Journal
  • "Release kinetics study and anti-corrosion behaviour of a pH-responsive ionic liquid-loaded halloysite nanotube-doped epoxy coating" (2020), published in RSC Advances
  • "Influence of interfacial layer parameters on gas transport properties through modeling approach in MWCNTs based mixed matrix composite membranes" (2020), published in Chemical Engineering Science

Frequent coauthors in Zakaria Man's work include Muhammad Roil Bilad, Sharjeel Waqas, Juhana Jaafar, Alamin Idris, and Asim Laeeq Khan. Collaboration with these researchers ranges in multiple publications.

The main publication venues for Zakaria Man's work include:

  • Journal of Environmental Management
  • Journal of Cleaner Production
  • Alexandria Engineering Journal
  • RSC Advances
  • Indonesian Journal of Science and Technology

Best Publications

  • Physicochemical and sorption characteristics of Malaysian Ceiba pentandra (L.) Gaertn. as a natural oil sorbent.

    M.A. Abdullah;Anisa Ur Rahmah;Z. Man

  • A review on geopolymers as emerging materials for the adsorption of heavy metals and dyes

    Ahmer Ali Siyal;Muhammad Rashid Shamsuddin;Muhammad Irfan Khan;Nurul Ekmi Rabat

  • Preparation of Cellulose Nanocrystals Using an Ionic Liquid

    Zakaria Man;Nawshad Muhammad;Ariyanti Sarwono;Mohamad Azmi Bustam

  • Biodiesel production from waste cooking oil by acidic ionic liquid as a catalyst

    Zahoor Ullah;Mohamad Azmi Bustam;Zakaria Man

  • Material Advancements in Fabrication of Mixed‐Matrix Membranes

    R. Nasir;H. Mukhtar;Z. Man;D. F. Mohshim

  • Concentration of NaOH and the Effect on the Properties of Fly Ash Based Geopolymer

    Rashidah Mohamed Hamidi;Zakaria Man;Khairun Azizi Azizli

  • A comprehensive review on biodegradable polymers and their blends used in controlled-release fertilizer processes

    Zahid Majeed;Nur Kamila Ramli;Nurlidia Mansor;Zakaria Man

  • Photodegradation of Orange II under visible light using Cu–Ni/TiO2: Effect of calcination temperature

    Nadia Riaz;Fai Kait Chong;Binay K. Dutta;Zakaria Man

  • Recent progress in integrated fixed-film activated sludge process for wastewater treatment: A review.

    Sharjeel Waqas;Muhammad Roil Bilad;Zakaria Man;Yusuf Wibisono

  • Efficient conversion of lignocellulosic biomass to levulinic acid using acidic ionic liquids.

    Amir Sada Khan;Amir Sada Khan;Zakaria Man;Mohamad Azmi Bustam;Asma Nasrullah

  • The Potential of Microencapsulated Self-healing Materials for Microcracks Recovery in Self-healing Composite Systems: A Review

    Hafeez Ullah;Khairun Azizi M Azizli;Zakaria B Man;Mukhtar B Che Ismail

  • Synthesis and Physical Properties of Choline Carboxylate Ionic Liquids

    Nawshad Muhammad;M. Ismail Hossain;Zakaria Man;Mohanad El-Harbawi

  • Extraction of dibenzothiophene from dodecane using ionic liquids

    Cecilia Devi Wilfred;Chong Fai Kiat;Zakaria Man;M. Azmi Bustam

  • Effective removal of methylene blue from water using phosphoric acid based geopolymers: synthesis, characterizations and adsorption studies

    M. Irfan Khan;Teoh. K. Min;Khairun Azizli;Suriati Sufian

  • Fly ash based geopolymer for the adsorption of anionic surfactant from aqueous solution

    Ahmer Ali Siyal;M. Rashid Shamsuddin;Nurul Ekmi Rabat;Muhammad Zulfiqar

  • Separation of CO2 from CH4 using polysulfone/polyimide silica nanocomposite membranes

    Sikander Rafiq;Zakaria Man;Abdulhalim Maulud;Nawshad Muhammad

  • Brønsted imidazolium ionic liquids: Synthesis and comparison of their catalytic activities as pre-catalyst for biodiesel production through two stage process

    Y.A. Elsheikh;Zakaria Man;M.A. Bustam;Suzana Yusup

  • Solubility of CO2 in pyridinium based ionic liquids

    Normawati M Yunus;M I Abdul Mutalib;Zakaria Man;Mohamad Azmi Bustam

  • An overview of the role of ionic liquids in biodiesel reactions

    Nawshad Muhammad;Yasir A. Elsheikh;Muhammad Ibrahim Abdul Mutalib;Aqeel Ahmed Bazmi

  • Thermophysical properties of 1-alkylpyridinum bis(trifluoromethylsulfonyl)imide ionic liquids

    Normawati M. Yunus;M.I. Abdul Mutalib;Zakaria Man;Mohamad Azmi Bustam

Frequent Co-Authors

Sikander Rafiq
Sikander Rafiq University of Engineering and Technology Lahore
Azmi Mohd Shariff
Azmi Mohd Shariff Universiti Teknologi Petronas
Muhammad Roil Bilad
Muhammad Roil Bilad Universiti Brunei Darussalam
Juhana Jaafar
Juhana Jaafar University of Technology Malaysia
Suzana Yusup
Suzana Yusup Sunway University
Asad U. Khan
Asad U. Khan Aligarh Muslim University
Muhammad Farooq
Muhammad Farooq Sultan Qaboos University
Glenn Hefter
Glenn Hefter Murdoch University
Mohd Hafiz Dzarfan Othman
Mohd Hafiz Dzarfan Othman University of Technology Malaysia
Tatsumi Ishihara
Tatsumi Ishihara Kyushu University

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