World's Best Scientists 2026 revealed!
Hwai Chyuan Ong

Hwai Chyuan Ong

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Engineering and Technology
Malaysia
2026

D-Index & Metrics

Engineering and Technology

D-Index
103
Citations
35489
World Ranking
128
National Ranking
7

Hwai Chyuan Ong publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Hwai Chyuan Ong sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 295 publications — 75th percentile

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

The last bar groups every scientist with 804 publications or more.

Hwai Chyuan Ong D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Hwai Chyuan Ong sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 103 D-Index — 99th percentile

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

The last bar groups every scientist with 107 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Engineering and Technology in Malaysia Leader Award
  • 2025 - Research.com Engineering and Technology in Malaysia Leader Award

Overview

Hwai Chyuan Ong is affiliated with Sunway University in Malaysia and specializes in the field of engineering, with a predominant focus on biomedical engineering. Their research spans several engineering subfields including mechanical engineering, renewable energy, sustainability and environment, materials chemistry, and industrial and manufacturing engineering.

The scientist has contributed extensively to topics related to biodiesel production and applications, thermochemical biomass conversion processes, catalysis and hydrodesulfurization studies, biofuel production and bioconversion, algal biology and biofuel production, catalysis for biomass conversion, and advanced combustion engine technologies.

Recent publications by Hwai Chyuan Ong include:

  • "Recent developments in physical, biological, chemical, and hybrid treatment techniques for removing emerging contaminants from wastewater" (2021), Journal of Hazardous Materials
  • "Progress in biomass torrefaction: Principles, applications and challenges" (2020), Progress in Energy and Combustion Science
  • "Impact of COVID-19 on the social, economic, environmental and energy domains: Lessons learnt from a global pandemic" (2020), Sustainable Production and Consumption
  • "Recent advancement and assessment of green hydrogen production technologies" (2023), Renewable and Sustainable Energy Reviews
  • "Green approaches in synthesising nanomaterials for environmental nanobioremediation: Technological advancements, applications, benefits and challenges" (2021), Environmental Research

Co-authorship is a notable aspect of Ong's research profile, with frequent collaborators including Wei-Hsin Chen, T.M.I. Mahlia, M. Mofijur, I.M. Rizwanul Fattah, and Cheng Tung Chong.

Hwai Chyuan Ong's work is published primarily in venues such as:

  • Fuel
  • Renewable and Sustainable Energy Reviews
  • Energy Conversion and Management
  • SSRN Electronic Journal
  • Energies

Best Publications

  • Non-edible vegetable oils: A critical evaluation of oil extraction, fatty acid compositions, biodiesel production, characteristics, engine performance and emissions production

    A.E. Atabani;A.S. Silitonga;H.C. Ong;T.M.I. Mahlia

  • Progress in biomass torrefaction: Principles, applications and challenges

    Wei Hsin Chen;Bo Jhih Lin;Bo Jhih Lin;Yu Ying Lin;Yen Shih Chu

  • Recent developments in physical, biological, chemical, and hybrid treatment techniques for removing emerging contaminants from wastewater.

    S.F. Ahmed;M. Mofijur;M. Mofijur;Samiha Nuzhat;Anika Tasnim Chowdhury

  • Microalgae biofuels as an alternative to fossil fuel for power generation

    Jassinnee Milano;Hwai Chyuan Ong;H.H. Masjuki;W.T. Chong

  • Impact of COVID-19 on the social, economic, environmental and energy domains: Lessons learnt from a global pandemic.

    M Mofijur;I M Rizwanul Fattah;Asraful Alam;A B M Saiful Islam

  • Recent advancement and assessment of green hydrogen production technologies

    Unknown

  • Comparison of palm oil, Jatropha curcas and Calophyllum inophyllum for biodiesel: A review

    H.C. Ong;T.M.I. Mahlia;T.M.I. Mahlia;H.H. Masjuki;R.S. Norhasyima

  • Green approaches in synthesising nanomaterials for environmental nanobioremediation: Technological advancements, applications, benefits and challenges.

    Shams Forruque Ahmed;M. Mofijur;M. Mofijur;Nazifa Rafa;Anika Tasnim Chowdhury

  • Progress on the lignocellulosic biomass pyrolysis for biofuel production toward environmental sustainability

    Anh Tuan Hoang;Hwai Chyuan Ong;I. M. Rizwanul Fattah;Cheng Tung Chong

  • A review on latest developments and future prospects of heterogeneous catalyst in biodiesel production from non-edible oils

    H. Haziratul Mardhiah;Hwai Chyuan Ong;H.H. Masjuki;Steven Lim

  • Impacts of COVID-19 pandemic on the global energy system and the shift progress to renewable energy: Opportunities, challenges, and policy implications

    Anh Tuan Hoang;Sandro Nižetić;Aykut I. Olcer;Hwai Chyuan Ong

  • State of art review on conventional and advanced pyrolysis of macroalgae and microalgae for biochar, bio-oil and bio-syngas production

    Xin Jiat Lee;Hwai Chyuan Ong;Hwai Chyuan Ong;Yong Yang Gan;Wei Hsin Chen

  • Catalytic thermochemical conversion of biomass for biofuel production: A comprehensive review

    Hwai Chyuan Ong;Wei Hsin Chen;Wei Hsin Chen;Abid Farooq;Yong Yang Gan;Yong Yang Gan

  • Patent landscape review on biodiesel production: Technology updates

    T.M.I. Mahlia;Z.A.H.S. Syazmi;M. Mofijur;A.E. Pg Abas

  • Recent developments on algal biochar production and characterization.

    Kai Ling Yu;Beng Fye Lau;Pau Loke Show;Hwai Chyuan Ong

  • Microalgae biomass as a sustainable source for biofuel, biochemical and biobased value-added products: An integrated biorefinery concept

    Sk. Yasir Arafat Siddiki;M. Mofijur;M. Mofijur;P. Senthil Kumar;Shams Forruque Ahmed

  • Energy-related approach for reduction of CO2 emissions: A strategic review on the port-to-ship pathway

    Unknown

  • Overview properties of biodiesel diesel blends from edible and non-edible feedstock

    A.S. Silitonga;H.H. Masjuki;T.M.I. Mahlia;T.M.I. Mahlia;H.C. Ong

  • Production and comparative fuel properties of biodiesel from non-edible oils: Jatropha curcas, Sterculia foetida and Ceiba pentandra

    H.C. Ong;A.S. Silitonga;H.H. Masjuki;T.M.I. Mahlia

  • Sustainability of direct biodiesel synthesis from microalgae biomass: a critical review.

    Brandon Han Hoe Goh;Hwai Chyuan Ong;Mei Yee Cheah;Wei Hsin Chen

  • Optimization of biodiesel production process for mixed Jatropha curcas–Ceiba pentandra biodiesel using response surface methodology

    S. Dharma;H.H. Masjuki;Hwai Chyuan Ong;A.H. Sebayang

  • A state-of-the-art review on thermochemical conversion of biomass for biofuel production: A TG-FTIR approach

    Hwai Chyuan Ong;Wei Hsin Chen;Yashvir Singh;Yashvir Singh;Yong Yang Gan;Yong Yang Gan

  • Optimization of biodiesel production and engine performance from high free fatty acid Calophyllum inophyllum oil in CI diesel engine

    Hwai Chyuan Ong;H.H. Masjuki;T.M.I. Mahlia;A.S. Silitonga

  • Engine performance and emissions using Jatropha curcas, Ceiba pentandra and Calophyllum inophyllum biodiesel in a CI diesel engine

    Hwai Chyuan Ong;H.H. Masjuki;T.M.I. Mahlia;A.S. Silitonga

Frequent Co-Authors

Teuku Meurah Indra Mahlia
Teuku Meurah Indra Mahlia University of Technology Sydney
Wei-Hsin Chen
Wei-Hsin Chen National Cheng Kung University
Arridina Susan Silitonga
Arridina Susan Silitonga Universiti Tenaga Nasional
Haji Hassan Masjuki
Haji Hassan Masjuki International Islamic University Malaysia
Wen Tong Chong
Wen Tong Chong University of Malaya
M. Mofijur
M. Mofijur University of Technology Sydney
Pau Loke Show
Pau Loke Show UCSI University
Jo Shu Chang
Jo Shu Chang National Cheng Kung University
Tau Chuan Ling
Tau Chuan Ling University of Malaya
Cheng Tung Chong
Cheng Tung Chong Shanghai Jiao Tong University

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