D. Grant Allen

5.0k total citations · 1 hit paper
131 papers, 4.0k citations indexed

About

D. Grant Allen is a scholar working on Pollution, Water Science and Technology and Industrial and Manufacturing Engineering. According to data from OpenAlex, D. Grant Allen has authored 131 papers receiving a total of 4.0k indexed citations (citations by other indexed papers that have themselves been cited), including 40 papers in Pollution, 30 papers in Water Science and Technology and 27 papers in Industrial and Manufacturing Engineering. Recurrent topics in D. Grant Allen's work include Wastewater Treatment and Nitrogen Removal (30 papers), Odor and Emission Control Technologies (22 papers) and Constructed Wetlands for Wastewater Treatment (16 papers). D. Grant Allen is often cited by papers focused on Wastewater Treatment and Nitrogen Removal (30 papers), Odor and Emission Control Technologies (22 papers) and Constructed Wetlands for Wastewater Treatment (16 papers). D. Grant Allen collaborates with scholars based in Canada, United States and South Africa. D. Grant Allen's co-authors include Steven N. Liss, Peter J. Schnurr, Baoqiang Liao, Ian G. Droppo, Gary G. Leppard, Madjid Mohseni, Honghi Tran, Roberta R. Fulthorpe, Fernando Morgan-Sagastume and Dariush Mowla and has published in prestigious journals such as Environmental Science & Technology, Renewable and Sustainable Energy Reviews and The Science of The Total Environment.

In The Last Decade

D. Grant Allen

126 papers receiving 3.8k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Surface properties of sludge and their role in bioflocculation and settleability

2001 598 citations Baoqiang Liao, D. Grant Allen et al. Water Research profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
D. Grant Allen Canada	31	1.3k	1.1k	769	714	691	131	4.0k
Sarina J. Ergas United States	36	1.4k 1.0×	742 0.7×	1.1k 1.4×	640 0.9×	1.4k 2.0×	149	4.2k
Nanqi Ren China	43	3.0k 2.2×	1.1k 1.0×	944 1.2×	733 1.0×	375 0.5×	156	5.2k
Xu Zhou China	40	1.7k 1.3×	1.2k 1.1×	886 1.2×	980 1.4×	1.2k 1.7×	163	4.6k
Jun Zhu United States	28	795 0.6×	488 0.4×	878 1.1×	1.2k 1.6×	1.3k 1.8×	215	4.5k
Chuan Chen China	47	3.1k 2.3×	1.0k 0.9×	807 1.0×	1.1k 1.6×	899 1.3×	215	6.6k
David Jeison Chile	36	1.6k 1.2×	1.6k 1.4×	755 1.0×	1.2k 1.7×	978 1.4×	116	4.4k
Steven N. Liss Canada	36	2.1k 1.6×	2.0k 1.8×	781 1.0×	970 1.4×	253 0.4×	103	4.7k
Zhiqiang Zhang China	30	956 0.7×	1.2k 1.1×	404 0.5×	812 1.1×	855 1.2×	96	3.1k
Wayne J. Parker Canada	26	1.1k 0.8×	785 0.7×	619 0.8×	671 0.9×	180 0.3×	196	2.7k
Dezhao Liu China	29	716 0.5×	641 0.6×	605 0.8×	414 0.6×	324 0.5×	95	2.8k

Countries citing papers authored by D. Grant Allen

Since Specialization

Citations

This map shows the geographic impact of D. Grant Allen's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by D. Grant Allen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites D. Grant Allen more than expected).

Fields of papers citing papers by D. Grant Allen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by D. Grant Allen. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by D. Grant Allen. The network helps show where D. Grant Allen may publish in the future.

Co-authorship network of co-authors of D. Grant Allen

This figure shows the co-authorship network connecting the top 25 collaborators of D. Grant Allen. A scholar is included among the top collaborators of D. Grant Allen based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with D. Grant Allen. D. Grant Allen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Mahadevan, Radhakrishnan, et al.. (2025). Establishing a quantitative link between crystal violet absorbance and biomass in biofilms. MethodsX. 15. 103630–103630.

Papangelakis, Vladimiros G., et al.. (2023). Biosorption of lanthanum by acidophile Euglena mutabilis biofilms and the role of extracellular polymeric substances. Algal Research. 72. 103111–103111. 10 indexed citations

Allen, D. Grant, et al.. (2020). Prospective Professors in Training: A Transition Program for Ph.D. Candidates in Engineering. Papers on Engineering Education Repository (American Society for Engineering Education). 23.1003.1–23.1003.13. 1 indexed citations

Bonilla, Sofia, et al.. (2018). Evaluating the effect of enzymatic pretreatment on the anaerobic digestibility of pulp and paper biosludge. Biotechnology Reports. 17. 77–85. 40 indexed citations

Allen, D. Grant, et al.. (2017). The tail of two models: Impact of circularity and biomass non-homogeneity on UV disinfection of wastewater flocs. Water Research. 126. 70–78. 10 indexed citations

Allen, D. Grant, et al.. (2016). Benefits of microwave heating method in production of activated carbon. The Canadian Journal of Chemical Engineering. 94(7). 1262–1268. 29 indexed citations

Schnurr, Peter J., George S. Espie, & D. Grant Allen. (2014). The effect of light direction and suspended cell concentrations on algal biofilm growth rates. Applied Microbiology and Biotechnology. 98(20). 8553–8562. 42 indexed citations

Allen, D. Grant, et al.. (2011). Effect of Calcium on Moving‐Bed Biofilm Reactor Biofilms. Water Environment Research. 83(3). 220–232. 19 indexed citations

Gibson, Thomas W. G., et al.. (2011). Effect of the length of the superficial plate on bending stiffness, bending strength and strain distribution in stacked 2.0–2.7 veterinary cuttable plate constructs. Veterinary and Comparative Orthopaedics and Traumatology. 24(6). 426–434. 6 indexed citations

10.

Nadarajah, Nalina, D. Grant Allen, & Roberta R. Fulthorpe. (2010). Composition of activated sludge settling and planktonic bacterial communities treating industrial effluent and their correlation to settling problems. Applied Microbiology and Biotechnology. 88(5). 1205–1214. 4 indexed citations

11.

Zhang, Yuefeng, et al.. (2009). Linking performance to microbiology in biofilters treating dimethyl sulphide in the presence and absence of methanol. Applied Microbiology and Biotechnology. 85(4). 1151–1166. 24 indexed citations

12.

Allen, D. Grant, Arthur J. Ragauskas, & Trevor R. Stuthridge. (2007). Roundtable Discussion: Sustainability in the pulp & paper industry. Industrial Biotechnology. 3(2). 138–144. 1 indexed citations

13.

Fulthorpe, Roberta R., et al.. (2007). High-temperature biotrickling filtration of hydrogen sulphide. Applied Microbiology and Biotechnology. 74(3). 708–716. 20 indexed citations

14.

Liao, Baoqiang, D. Grant Allen, Gary G. Leppard, Ian G. Droppo, & Steven N. Liss. (2002). Interparticle Interactions Affecting the Stability of Sludge Flocs. Journal of Colloid and Interface Science. 249(2). 372–380. 143 indexed citations

15.

Fulthorpe, Roberta R. & D. Grant Allen. (1995). A comparison of organochlorine removal from bleached kraft pulp and paper-mill effluents by dehalogenating Pseudomonas, Ancylobacter and Methylobacterium strains. Applied Microbiology and Biotechnology. 42(5). 782–789. 39 indexed citations

16.

Mohseni, Madjid & D. Grant Allen. (1995). The effect of particle morphology and concentration on the directly measured yield stress in filamentous suspensions. Biotechnology and Bioengineering. 48(3). 257–265. 18 indexed citations

17.

Fulthorpe, Roberta R., Steven N. Liss, & D. Grant Allen. (1993). Characterization of bacteria isolated from a bleached kraft pulp mill wastewater treatment system. Canadian Journal of Microbiology. 39(1). 13–24. 56 indexed citations

18.

Allen, D. Grant, et al.. (1992). Direct measurement of the yield stress of filamentous fermentation broths with the rotating vane technique. Biotechnology and Bioengineering. 40(3). 403–412. 20 indexed citations

19.

Allen, D. Grant & Campbell W. Robinson. (1987). The Influence of “Slip” on Rheological Measurements on a Mycelial Broth of Aspergillus niger. Annals of the New York Academy of Sciences. 506(1). 589–598. 7 indexed citations

20.

Moo‐Young, Murray, et al.. (1987). Oxygen transfer to mycelial fermentation broths in an airlift fermentor. Biotechnology and Bioengineering. 30(6). 746–753. 65 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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