World's Best Scientists 2026 revealed!
Chunbao (Charles) Xu

Chunbao (Charles) Xu

D-Index & Metrics

Engineering and Technology

D-Index
77
Citations
20650
World Ranking
665
National Ranking
109

Chunbao (Charles) Xu 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 Chunbao (Charles) Xu 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: 284 publications — 73rd percentile

73% of scientists in this discipline score the same or lower.

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

Chunbao (Charles) Xu 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 Chunbao (Charles) Xu 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: 77 D-Index — 94th percentile

94% of scientists in this discipline score the same or lower.

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

Overview

Chunbao (Charles) Xu is affiliated with the City University of Hong Kong in China. Their research primarily spans the field of Engineering, with significant contributions in several subfields including Biomedical Engineering, Mechanical Engineering, Materials Chemistry, Biomaterials, and Molecular Biology.

The scientist's work focuses on various main topics, such as:

  • Lignin and Wood Chemistry
  • Catalysis for Biomass Conversion
  • Catalysis and Hydrodesulfurization Studies
  • Thermochemical Biomass Conversion Processes
  • Biofuel production and bioconversion
  • Catalytic Processes in Materials Science
  • Supercapacitor Materials and Fabrication

Xu has contributed to multiple recent papers, including:

  • Global lignin supply overview and kraft lignin potential as an alternative for petroleum-based polymers, 2020, Renewable and Sustainable Energy Reviews
  • CO2 mineral carbonation using industrial solid wastes: A review of recent developments, 2021, Chemical Engineering Journal
  • An overview of microbial fuel cell usage in wastewater treatment, resource recovery and energy production, 2020, The Science of The Total Environment
  • Recent Advances in Catalytic Transfer Hydrogenation with Formic Acid over Heterogeneous Transition Metal Catalysts, 2021, ACS Catalysis
  • Lignin derived carbon materials: current status and future trends, 2022, Carbon Research

The scientist frequently publishes in several key journals, such as:

  • Chemical Engineering Journal
  • SSRN Electronic Journal
  • Fuel
  • Biomass and Bioenergy
  • Bioresource Technology

Collaborative work features some frequent co-authors, including:

  • Yongsheng Zhang
  • Jianshe Wang
  • Yulin Hu
  • Madhumita B. Ray
  • Armin Rezayan

In addition to journal articles, Chunbao (Charles) Xu has contributed to book publications. One known publication is "Advanced and Emerging Technologies for Resource Recovery from Wastes," published by Springer Nature in 2021.

Best Publications

  • Overview of recent advances in thermo-chemical conversion of biomass.

    Linghong Zhang;Chunbao (Charles) Xu;Pascale Champagne

  • Biological Pretreatment of Lignocellulosic Biomass for Biofuels and Bioproducts: An Overview

    Hem Kanta Sharma;Chunbao Xu;Wensheng Qin

  • Hydro-liquefaction of woody biomass in sub- and super-critical ethanol with iron-based catalysts

    Chunbao Xu;Timothy Etcheverry

  • Global lignin supply overview and kraft lignin potential as an alternative for petroleum-based polymers

    Luana Dessbesell;Michael Paleologou;Mathew Leitch;Reino Pulkki

  • CO2 mineral carbonation using industrial solid wastes: A review of recent developments

    Weizao Liu;Liumei Teng;Sohrab Rohani;Zhifeng Qin

  • Highly Efficient Liquefaction of Woody Biomass in Hot-Compressed Alcohol−Water Co-solvents†

    Shuna Cheng;Ian D’cruz;Mingcun Wang;Mathew Leitch

  • Recent advances in catalysts for hot-gas removal of tar and NH3 from biomass gasification

    Chunbao (Charles) Xu;Jaclyn Donald;Jaclyn Donald;Enkhsaruul Byambajav;Yasuo Ohtsuka

  • An overview of microbial fuel cell usage in wastewater treatment, resource recovery and energy production

    Carlos Munoz-Cupa;Yulin Hu;Chunbao Xu;Amarjeet Bassi

  • Valorization of bark for chemicals and materials: A review

    Shanghuan Feng;Shanghuan Feng;Shuna Cheng;Shuna Cheng;Zhongshun Yuan;Mathew Leitch

  • Recent Advances in Catalytic Transfer Hydrogenation with Formic Acid over Heterogeneous Transition Metal Catalysts

    Renfeng Nie;Renfeng Nie;Yuewen Tao;Yunqing Nie;Tianliang Lu

  • Hydrolytic degradation of alkaline lignin in hot-compressed water and ethanol.

    Zhongshun Yuan;Shuna Cheng;Mathew Leitch;Chunbao Charles Xu

  • Solid acid mediated hydrolysis of biomass for producing biofuels.

    Feng Guo;Zhen Fang;C. Charles Xu;Richard L. Smith

  • Applications of catalysts in thermochemical conversion of biomass (pyrolysis, hydrothermal liquefaction and gasification): A critical review

    Unknown

  • A brief overview of low CO2 emission technologies for iron and steel making

    Unknown

  • Conversion of secondary pulp/paper sludge powder to liquid oil products for energy recovery by direct liquefaction in hot-compressed water.

    Chunbao Xu;Jody Lancaster

  • Production of Heavy Oils with High Caloric Values by Direct Liquefaction of Woody Biomass in Sub/Near-critical Water

    Chunbao Xu;Nimisha Lad

  • Catalytic conversion of glycerol for sustainable production of solketal as a fuel additive: A review

    Malaya R. Nanda;Yongsheng Zhang;Zhongshun Yuan;Wensheng Qin

  • Advances in recovery and utilization of carbon dioxide: A brief review

    Jessica Godin;Weizao Liu;Shan Ren;Chunbao Charles Xu

  • Hydrothermal liquefaction of woody biomass in hot-compressed water: Catalyst screening and comprehensive characterization of bio-crude oils

    Laleh Nazari;Zhongshun Yuan;Sadra Souzanchi;Madhumita B. Ray

  • Thermodynamic and kinetic studies of a catalytic process to convert glycerol into solketal as an oxygenated fuel additive

    Malaya R. Nanda;Zhongshun Yuan;Wensheng Qin;Hassan S. Ghaziaskar

  • Ash Deposition in Biomass Combustion or Co-Firing for Power/Heat Generation

    Yuanyuan Shao;Jinsheng Wang;Fernando Preto;Jesse Zhu

  • Energy recovery from secondary pulp/paper-mill sludge and sewage sludge with supercritical water treatment

    Linghong Zhang;Chunbao Charles Xu;Pascale Champagne

  • Carbon Crystallization during High-Temperature Pyrolysis of Coals and the Enhancement by Calcium

    Naoto Tsubouchi;Chunbao Xu;Yasuo Ohtsuka

  • Hydrodeoxygenation of bio-crude in supercritical hexane with sulfided CoMo and CoMoP catalysts supported on MgO: A model compound study using phenol

    Yun Yang;Allan Gilbert;Chunbao (Charles) Xu

  • Production of polyols via direct hydrolysis of kraft lignin: Effect of process parameters

    Nubla Mahmood;Zhongshun Yuan;John Schmidt;Chunbao Charles Xu

  • Hydrothermal liquefaction of spent coffee grounds in water medium for bio-oil production

    Linxi Yang;Laleh Nazari;Zhongshun Yuan;Kenneth Corscadden

  • Liquefaction of bio-mass in hot-compressed water for the production of phenolic compounds.

    Matthew Tymchyshyn;Chunbao Charles Xu

  • Bio-crude production from secondary pulp/paper-mill sludge and waste newspaper via co-liquefaction in hot-compressed water.

    Linghong Zhang;Pascale Champagne;Chunbao (Charles) Xu

Frequent Co-Authors

Madhumita B. Ray
Madhumita B. Ray University of Western Ontario
Jesse Zhu
Jesse Zhu University of Western Ontario
Yasuo Ohtsuka
Yasuo Ohtsuka Tohoku University
Amarjeet S. Bassi
Amarjeet S. Bassi University of Western Ontario
Sohrab Rohani
Sohrab Rohani University of Western Ontario
Song Yang
Song Yang Guizhou University
Pascale Champagne
Pascale Champagne Queen's University
Animesh Dutta
Animesh Dutta University of Guelph
Zhen Fang
Zhen Fang Nanjing Agricultural University
Lasse Rosendahl
Lasse Rosendahl Aarhus University

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