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Chemistry
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2025
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Environmental Sciences
Canada
2023

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 81 3203 2889 73 64 461 27039
Environmental Sciences 84 783 746 32 29 534 28908
Biology and Biochemistry 82 3654 3367 116 105 471 27743

Rajeshwar Dayal Tyagi publications per year

The chart shows the history of publications by Rajeshwar Dayal Tyagi between 1979 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Rajeshwar Dayal Tyagi published across 47 years, from 1979 to 2025, averaging 13.4 papers a year. Output peaked at 43 publications in 2020. 38 of the 632 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1979 to 2025. Vertical axis: number of publications, 0 to 43. Peak 43 publications in 2020. 1979: 2 publications 1980: 1 publication 1981: 0 publications 1982: 2 publications 1983: 0 publications 1984: 1 publication 1985: 0 publications 1986: 1 publication 1987: 1 publication 1988: 10 publications 1989: 2 publications 1990: 4 publications 1991: 6 publications 1992: 12 publications 1993: 14 publications 1994: 10 publications 1995: 6 publications 1996: 9 publications 1997: 5 publications 1998: 5 publications 1999: 6 publications 2000: 6 publications 2001: 13 publications 2002: 12 publications 2003: 8 publications 2004: 8 publications 2005: 12 publications 2006: 16 publications 2007: 19 publications 2008: 17 publications 2009: 24 publications 2010: 20 publications 2011: 21 publications 2012: 14 publications 2013: 42 publications 2014: 15 publications 2015: 32 publications 2016: 23 publications 2017: 12 publications 2018: 16 publications 2019: 35 publications 2020: 43 publications 2021: 37 publications 2022: 35 publications 2023: 17 publications 2024: 26 publications 2025: 12 publications
1979 2025

632 publications in total across all disciplines

View publications per year as a table
Rajeshwar Dayal Tyagi: publications per year, 1979 to 2025
Year Publications
1979 2
1980 1
1981 0
1982 2
1983 0
1984 1
1985 0
1986 1
1987 1
1988 10
1989 2
1990 4
1991 6
1992 12
1993 14
1994 10
1995 6
1996 9
1997 5
1998 5
1999 6
2000 6
2001 13
2002 12
2003 8
2004 8
2005 12
2006 16
2007 19
2008 17
2009 24
2010 20
2011 21
2012 14
2013 42
2014 15
2015 32
2016 23
2017 12
2018 16
2019 35
2020 43
2021 37
2022 35
2023 17
2024 26
2025 12
Total 632
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Rajeshwar Dayal Tyagi 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 Rajeshwar Dayal Tyagi sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 66 bars. Horizontal axis: publications, 41–50 to 690+. Vertical axis: number of scientists, 0 to 617. Most scientists, 617, have 121–130 publications. The last bar groups every scientist with 690 publications or more. The highlighted bar, 531–540 publications, is where this scientist sits. 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: 282 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: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 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 681–689 publications: 4 scientists 690+ publications: 100 scientists
41–50 publications 690+

This scientist: 534 publications — 98th percentile

98% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

View publications distribution as a table
Number of Environmental Sciences scientists by publication count, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
Publications Scientists This scientist
41–50 21
51–60 62
61–70 133
71–80 257
81–90 361
91–100 440
101–110 492
111–120 541
121–130 617
131–140 544
141–150 541
151–160 539
161–170 444
171–180 444
181–190 400
191–200 377
201–210 318
211–220 282
221–230 263
231–240 220
241–250 217
251–260 180
261–270 181
271–280 155
281–290 130
291–300 127
301–310 130
311–320 85
321–330 106
331–340 80
341–350 83
351–360 75
361–370 69
371–380 52
381–390 54
391–400 56
401–410 44
411–420 40
421–430 36
431–440 25
441–450 25
451–460 32
461–470 29
471–480 21
481–490 26
491–500 26
501–510 17
511–520 19
521–530 15
531–540 22 534
541–550 12
551–560 15
561–570 11
571–580 19
581–590 9
591–600 9
601–610 7
611–620 11
621–630 5
631–640 5
641–650 6
651–660 3
661–670 3
671–680 4
681–689 4
690+ 100
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Rajeshwar Dayal Tyagi 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 Rajeshwar Dayal Tyagi sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 97 bars. Horizontal axis: D-Index, 30 to 126+. Vertical axis: number of scientists, 0 to 348. Most scientists, 348, have 45 D-Index. The last bar groups every scientist with 126 D-Index or more. The highlighted bar, 84 D-Index, is where this scientist sits. 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: 198 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: 20 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: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 84 D-Index — 92nd percentile

92% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

View D-Index distribution as a table
Number of Environmental Sciences scientists by D-index, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
D-Index Scientists This scientist
30 12
31 26
32 51
33 88
34 123
35 163
36 206
37 267
38 265
39 275
40 321
41 343
42 305
43 336
44 330
45 348
46 291
47 275
48 272
49 273
50 263
51 232
52 266
53 217
54 198
55 177
56 202
57 204
58 166
59 177
60 166
61 152
62 143
63 150
64 124
65 119
66 120
67 118
68 82
69 98
70 94
71 105
72 74
73 84
74 70
75 67
76 78
77 60
78 59
79 52
80 47
81 38
82 48
83 42
84 42 84
85 43
86 29
87 37
88 29
89 30
90 34
91 20
92 22
93 17
94 19
95 24
96 21
97 20
98 24
99 17
100 17
101 21
102 25
103 18
104 26
105 20
106 15
107 10
108 13
109 15
110 12
111 8
112 7
113 9
114 6
115 12
116 7
117 8
118 3
119 5
120 7
121 2
122 4
123 8
124 7
125 9
126+ 92
Download as CSV

Research.com Recognitions

  • 2025 - Research.com Chemistry in Canada Leader Award
  • 2023 - Research.com Environmental Sciences in Canada Leader Award
  • 2022 - Research.com Chemistry in Canada Leader Award
  • Member of the European Academy of Sciences and Arts
  • Member of the European Academy of Sciences and Arts
  • Member of the European Academy of Sciences and Arts
  • Member of the European Academy of Sciences and Arts
  • Member of the European Academy of Sciences and Arts
  • Member of the European Academy of Sciences and Arts
  • Member of the European Academy of Sciences and Arts
  • Member of the European Academy of Sciences and Arts
  • Member of the European Academy of Sciences and Arts
  • Member of the European Academy of Sciences and Arts
  • Member of the European Academy of Sciences and Arts
  • Member of the European Academy of Sciences and Arts
  • Member of the European Academy of Sciences and Arts
  • Member of the European Academy of Sciences and Arts
  • Member of the European Academy of Sciences and Arts

Overview

Rajeshwar Dayal Tyagi is affiliated with the Institut National de la Recherche Scientifique in Canada. Their research primarily focuses on Environmental Science and Engineering, with a significant contribution to Industrial and Manufacturing Engineering, Pollution, Water Science and Technology, Biomedical Engineering, and Molecular Biology.

Their work encompasses several main topics including:

  • Microplastics and Plastic Pollution
  • Advanced oxidation water treatment
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Recycling and Waste Management Techniques
  • Biodegradable polymer synthesis and properties
  • Biofuel production and bioconversion
  • Membrane Separation Technologies

Rajeshwar Dayal Tyagi has published extensively in reputable venues. The most frequent publication outlets include:

  • Bioresource Technology
  • Journal of Environmental Management
  • Systems Microbiology and Biomanufacturing
  • Sustainability
  • Chemosphere

Among recent papers authored by or associated with Tyagi are:

  • Environmental applications of microbial extracellular polymeric substance (EPS): A review, 2021, Journal of Environmental Management
  • Treatment of microplastics in water by anodic oxidation: A case study for polystyrene, 2020, Environmental Pollution
  • Bioconversion of organic wastes into value-added products: A review, 2021, Bioresource Technology
  • Sources, occurrence and toxic effects of emerging per- and polyfluoroalkyl substances (PFAS), 2023, Neurotoxicology and Teratology
  • A review on production of polyhydroxyalkanoate (PHA) biopolyesters by thermophilic microbes using waste feedstocks, 2021, Bioresource Technology

The scientist has collaborated frequently with several coauthors, notably:

  • Patrick Drogui
  • Bhoomika Yadav
  • Sridhar Pilli
  • Lalit Kumar
  • Bhagyashree Tiwari

Rajeshwar Dayal Tyagi has also been recognized as a Member of the European Academy of Sciences and Arts, reflecting participation in scientific communities at the continental level.

Best Publications

  • Extracellular polymeric substances of bacteria and their potential environmental applications.

    Tanaji More;Jay Shankar Singh Yadav;Song Yan;Rajeshwar Dayal Tyagi

  • Ultrasonic pretreatment of sludge: A review

    Sridhar Pilli;Puspendu Bhunia;Song Yan;R.J. LeBlanc

  • ANTAGONISTIC FUNGI, TRICHODERMA SPP.: PANOPLY OF BIOLOGICAL CONTROL

    Mausam Verma;Satinder K. Brar;R.D. Tyagi;R.Y. Surampalli

  • Engineered nanoparticles in wastewater and wastewater sludge – Evidence and impacts

    Satinder Kaur Brar;Mausam P. Verma;Rajeshwar Dayal Tyagi;Rao Y. Surampalli

  • Review on fate and mechanism of removal of pharmaceutical pollutants from wastewater using biological approach

    Bhagyashree Tiwari;Balasubramanian Sellamuthu;Yassine Ouarda;Patrick Drogui

  • Endocrine disrupting compounds removal from wastewater, a new challenge

    Muriel Auriol;Muriel Auriol;Youssef Filali-Meknassi;Youssef Filali-Meknassi;Rajeshwar D. Tyagi;Craig D. Adams

  • Laccases for removal of recalcitrant and emerging pollutants

    Josée-Anne Majeau;Satinder K. Brar;Rajeshwar Dayal Tyagi

  • Synthesis of nanoparticles by microorganisms and their application in enhancing microbiological reaction rates

    Xiaolei Zhang;Song Yan;R.D. Tyagi;R.Y. Surampalli

  • Cheese whey: A potential resource to transform into bioprotein, functional/nutritional proteins and bioactive peptides.

    Jay Shankar Singh Yadav;Song Yan;Sridhar Pilli;Lalit Kumar

  • Extracellular polymeric substances (EPS) producing bacterial strains of municipal wastewater sludge: isolation, molecular identification, EPS characterization and performance for sludge settling and dewatering.

    S. Bala Subramanian;S. Yan;R.D. Tyagi;R.Y. Surampalli

  • Extraction and analysis of polyphenols: recent trends.

    C M Ajila;S K Brar;M Verma;R D Tyagi

  • Rapid ethanol fermentation of cellulose hydrolysate. II. Product and substrate inhibition and optimization of fermentor design

    T. K. Ghose;R. D. Tyagi

  • Cocoa shells for heavy metal removal from acidic solutions

    Nathalie Meunier;Jérôme Laroulandie;Jean-François Blais;Rajeshwar Dayal Tyagi

  • Recent advances in downstream processing and formulations of Bacillus thuringiensis based biopesticides

    Satinder K. Brar;M. Verma;R.D. Tyagi;J.R. Valéro

  • The potential of microalgae in biodiesel production

    Jiaxin Chen;Jiaxin Chen;Ji Li;Wenyi Dong;Xiaolei Zhang

  • Critical review of EPS production, synthesis and composition for sludge flocculation

    Klai Nouha;Ram Saurabh Kumar;Sellamuthu Balasubramanian;Rajeshwar Dayal Tyagi

  • Bio-encapsulation of microbial cells for targeted agricultural delivery

    Rojan P John;R D Tyagi;S K Brar;R Y Surampalli

  • Analysis and advanced oxidation treatment of a persistent pharmaceutical compound in wastewater and wastewater sludge-carbamazepine.

    Debabandya P. Mohapatra;Satinder Kaur Brar;Rajeshwar Dayal Tyagi;Pierre Picard

  • Rapid ethanol fermentation of cellulose hydrolysate. I. Batch versus continuous systems

    T. K. Ghose;R. D. Tyagi

  • Thermal Pretreatment of Sewage Sludge to Enhance Anaerobic Digestion: A Review

    Sridhar Pilli;Song Yan;Rajeshwar Dayal Tyagi;Rao Y. Surampalli

  • Physico-chemical pre-treatment and biotransformation of wastewater and wastewater Sludge – Fate of bisphenol A

    D.P. Mohapatra;S.K. Brar;R.D. Tyagi;R.Y. Surampalli

Frequent Co-Authors

Rao Y. Surampalli
Rao Y. Surampalli University of Nebraska–Lincoln
Satinder Kaur Brar
Satinder Kaur Brar York University
Patrick Drogui
Patrick Drogui Institut National de la Recherche Scientifique
Jean-François Blais
Jean-François Blais Institut National de la Recherche Scientifique
Mausam P. Verma
Mausam P. Verma University of Quebec
Craig D. Adams
Craig D. Adams Saint Louis University
Peter G. C. Campbell
Peter G. C. Campbell Institut National de la Recherche Scientifique
Sébastien Sauvé
Sébastien Sauvé University of Montreal
Jonathan W.C. Wong
Jonathan W.C. Wong Hong Kong Baptist University
Yves Comeau
Yves Comeau Polytechnique Montréal

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