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Thongthai Witoon

Thongthai Witoon

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 45 16614 14998 29 28 131 5619

Thongthai Witoon publications per year

The chart shows the history of publications by Thongthai Witoon between 2008 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Thongthai Witoon published across 19 years, from 2008 to 2026, averaging 7.1 papers a year. Output peaked at 24 publications in 2021. 14 of the 135 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 2008 to 2026. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2021. 2008: 1 publication 2009: 2 publications 2010: 1 publication 2011: 7 publications 2012: 3 publications 2013: 3 publications 2014: 4 publications 2015: 3 publications 2016: 8 publications 2017: 5 publications 2018: 4 publications 2019: 10 publications 2020: 9 publications 2021: 24 publications 2022: 16 publications 2023: 11 publications 2024: 10 publications 2025: 12 publications 2026: 2 publications
2008 2026

135 publications in total across all disciplines

View publications per year as a table
Thongthai Witoon: publications per year, 2008 to 2026
Year Publications
2008 1
2009 2
2010 1
2011 7
2012 3
2013 3
2014 4
2015 3
2016 8
2017 5
2018 4
2019 10
2020 9
2021 24
2022 16
2023 11
2024 10
2025 12
2026 2
Total 135
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Thongthai Witoon 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 Thongthai Witoon sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 121–140 publications, is where this scientist sits. 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
61–80 publications 1,295+

This scientist: 131 publications — 8th percentile

8% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918 131
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Thongthai Witoon 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 Thongthai Witoon sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 44–45 D-Index, is where this scientist sits. 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
40–41 D-Index 159+

This scientist: 45 D-Index — 10th percentile

10% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808 45
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Thongthai Witoon is affiliated with Kasetsart University in Thailand and has established a significant presence in the fields of Materials Science, Chemical Engineering, and Engineering. The primary focus of their research covers various subfields, including Materials Chemistry, Catalysis, Biomedical Engineering, Mechanical Engineering, and Inorganic Chemistry.

Their work extensively addresses topics related to Catalytic Processes in Materials Science, Catalysts for Methane Reforming, Catalysis and Oxidation Reactions, Catalysis and Hydrodesulfurization Studies, Catalysis for Biomass Conversion, Carbon Dioxide Utilization in Catalysis, and Zeolite Catalysis and Synthesis.

Thongthai Witoon's publication record features several recent scientific papers, including:

  • Advances in catalytic production of value-added biochemicals and biofuels via furfural platform derived lignocellulosic biomass (2021, Biomass and Bioenergy)
  • Role of Calcination Temperatures of ZrO2 Support on Methanol Synthesis from CO2 Hydrogenation at High Reaction Temperatures over ZnOx/ZrO2 Catalysts (2020, Industrial & Engineering Chemistry Research)
  • Effect of reaction conditions on the lifetime of SAPO-34 catalysts in methanol to olefins process - A review (2020, Fuel)
  • Tuning interaction of surface-adsorbed species over Fe/K-Al2O3 modified with transition metals (Cu, Mn, V, Zn or Co) on light olefins production from CO2 hydrogenation (2020, Fuel)
  • Tuning Interactions of Surface-adsorbed Species over Fe−Co/K−Al2O3 Catalyst by Different K Contents: Selective CO2 Hydrogenation to Light Olefins (2020, ChemCatChem)

Frequent coauthors with whom they have collaborated include:

  • Metta Chareonpanich
  • Chin Kui Cheng
  • Thanapha Numpilai
  • Anusorn Seubsai
  • Chularat Wattanakit

Their research outputs have been published mainly in several venues, notably:

  • Topics in Catalysis (8 publications)
  • Chemosphere (6 publications)
  • International Journal of Hydrogen Energy (5 publications)
  • Fuel (4 publications)
  • Process Safety and Environmental Protection (4 publications)

Best Publications

  • CO2 hydrogenation to methanol over Cu/ZrO2 catalysts: Effects of zirconia phases

    Thongthai Witoon;Jiraporn Chalorngtham;Porntipar Dumrongbunditkul;Metta Chareonpanich

  • Characterization of calcium oxide derived from waste eggshell and its application as CO2 sorbent

    Thongthai Witoon

  • CO2 hydrogenation to methanol over CuO–ZnO–ZrO2–SiO2 catalysts: Effects of SiO2 contents

    Thanaree Phongamwong;Usanee Chantaprasertporn;Thongthai Witoon;Thanapa Numpilai

  • Enhanced activity, selectivity and stability of a CuO-ZnO-ZrO2 catalyst by adding graphene oxide for CO2 hydrogenation to methanol

    Thongthai Witoon;Thanapa Numpilai;Thanaree Phongamwong;Waleeporn Donphai

  • Tuning of catalytic CO2 hydrogenation by changing composition of CuO–ZnO–ZrO2 catalysts

    Thongthai Witoon;Nantana Kachaban;Waleeporn Donphai;Pinit Kidkhunthod

  • Structure–activity relationships of Fe-Co/K-Al2O3 catalysts calcined at different temperatures for CO2 hydrogenation to light olefins

    Thanapa Numpilai;Thongthai Witoon;Narong Chanlek;Wanwisa Limphirat

  • Advances in catalytic production of value-added biochemicals and biofuels via furfural platform derived lignocellulosic biomass

    Pongtanawat Khemthong;Chakrit Yimsukanan;Thanitporn Narkkun;Atthapon Srifa

  • Synthesis of bimodal porous silica from rice husk ash via sol–gel process using chitosan as template

    T. Witoon;M. Chareonpanich;J. Limtrakul

  • Biodiesel production from transesterification of palm oil with methanol over CaO supported on bimodal meso-macroporous silica catalyst

    Thongthai Witoon;Sittisut Bumrungsalee;Peerawut Vathavanichkul;Supaphorn Palitsakun

  • Development of synthetic CaO sorbents via CTAB-assisted sol–gel method for CO2 capture at high temperature

    Akarat Akgsornpeak;Thongthai Witoon;Thumrongrut Mungcharoen;Jumras Limtrakul;Jumras Limtrakul

  • Role of Calcination Temperatures of ZrO2 Support on Methanol Synthesis from CO2 Hydrogenation at High Reaction Temperatures over ZnOx/ZrO2 Catalysts

    Chunyanuch Temvuttirojn;Yingyot Poo-arporn;Narong Chanlek;Chin Kui Cheng

  • Optimization of synthesis condition for CO2 hydrogenation to light olefins over In2O3 admixed with SAPO-34

    Thanapa Numpilai;Chularat Wattanakit;Metta Chareonpanich;Jumras Limtrakul

  • Direct synthesis of dimethyl ether from CO2 hydrogenation over Cu–ZnO–ZrO2/SO42−–ZrO2 hybrid catalysts: effects of sulfur-to-zirconia ratios

    Thongthai Witoon;Tinnavat Permsirivanich;Nawapon Kanjanasoontorn;Chalairat Akkaraphataworn

  • Tuning interaction of surface-adsorbed species over Fe/K-Al2O3 modified with transition metals (Cu, Mn, V, Zn or Co) on light olefins production from CO2 hydrogenation

    Nawapat Chaipraditgul;Thanapha Numpilai;Chin Kui Cheng;Nuchanart Siri-Nguan

  • Pore size effects on physicochemical properties of Fe-Co/K-Al2O3 catalysts and their catalytic activity in CO2 hydrogenation to light olefins

    Thanapha Numpilai;Narong Chanlek;Yingyot Poo-Arporn;Suttipong Wannapaiboon

  • Effect of reaction conditions on the lifetime of SAPO-34 catalysts in methanol to olefins process – A review

    Muhammad Sheraz Ahmad;Chin Kui Cheng;Prakash Bhuyar;A.E Atabani

  • CO2 hydrogenation to methanol over Cu/ZnO nanocatalysts prepared via a chitosan-assisted co-precipitation method

    Thongthai Witoon;Tinnavat Permsirivanich;Waleeporn Donphai;Attasak Jaree

  • Rice husk waste into various template-engineered mesoporous silica materials for different applications: A comprehensive review on recent developments.

    Unknown

  • Modeling the effect of process parameters on the photocatalytic degradation of organic pollutants using artificial neural networks

    Bamidele Victor Ayodele;May Ali Alsaffar;Siti Indati Mustapa;Chin Kui Cheng

  • Effect of acidity on the formation of silica–chitosan hybrid materials and thermal conductive property

    Thongthai Witoon;Metta Chareonpanich;Jumras Limtrakul

  • Recent advances in light olefins production from catalytic hydrogenation of carbon dioxide

    Thanapha Numpilai;Chin Kui Cheng;Jumras Limtrakul;Thongthai Witoon

Frequent Co-Authors

Jumras Limtrakul
Jumras Limtrakul Vidyasirimedhi Institute of Science and Technology
Chin Kui Cheng
Chin Kui Cheng Khalifa University
Kajornsak Faungnawakij
Kajornsak Faungnawakij National Science and Technology Development Agency
Narong Chanlek
Narong Chanlek Synchrotron Light Research Institute
Jun-Wei Lim
Jun-Wei Lim Universiti Teknologi Petronas
Dai-Viet N. Vo
Dai-Viet N. Vo Universiti Malaysia Pahang
Joon Ching Juan
Joon Ching Juan University of Malaya
Arivalagan Pugazhendhi
Arivalagan Pugazhendhi Cape Breton University
A.E. Atabani
A.E. Atabani Yuan Ze University

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