S.W. Hobma

1.7k total citations · 1 hit paper
6 papers, 1.2k citations indexed

About

S.W. Hobma is a scholar working on Building and Construction, Water Science and Technology and Molecular Biology. According to data from OpenAlex, S.W. Hobma has authored 6 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 2 papers in Building and Construction, 2 papers in Water Science and Technology and 1 paper in Molecular Biology. Recurrent topics in S.W. Hobma's work include Anaerobic Digestion and Biogas Production (2 papers), Wastewater Treatment and Nitrogen Removal (1 paper) and Membrane Separation Technologies (1 paper). S.W. Hobma is often cited by papers focused on Anaerobic Digestion and Biogas Production (2 papers), Wastewater Treatment and Nitrogen Removal (1 paper) and Membrane Separation Technologies (1 paper). S.W. Hobma collaborates with scholars based in Netherlands and United Kingdom. S.W. Hobma's co-authors include G. Lettinga, Willem de Zeeuw, A.F.M. van Velsen, A. Klapwijk, R.E. Roersma, P.C. Grin, L.W. Hulshoff Pol, I.W. Koster, A. Rinzema and W.J. de Zeeuw and has published in prestigious journals such as Water Research, Biotechnology and Bioengineering and Water Science & Technology.

In The Last Decade

S.W. Hobma

6 papers receiving 1.1k 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.

Use of the upflow sludge blanket (USB) reactor concept for biological wastewater treatment, especially for anaerobic treatment

1980 965 citations G. Lettinga, A.F.M. van Velsen et al. Biotechnology and Bioengineering profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
S.W. Hobma Netherlands	5	711	659	444	257	192	6	1.2k
Willem de Zeeuw Netherlands	7	687 1.0×	628 1.0×	458 1.0×	240 0.9×	191 1.0×	8	1.2k
A.F.M. van Velsen Netherlands	7	609 0.9×	572 0.9×	390 0.9×	228 0.9×	204 1.1×	10	1.1k
I.W. Koster Netherlands	15	581 0.8×	1.0k 1.5×	310 0.7×	354 1.4×	299 1.6×	21	1.4k
W.M. Wiegant Netherlands	15	491 0.7×	600 0.9×	292 0.7×	236 0.9×	185 1.0×	19	1.0k
M. Dohányos Czechia	17	661 0.9×	840 1.3×	494 1.1×	349 1.4×	412 2.1×	32	1.5k
Richard R. Dague United States	16	446 0.6×	509 0.8×	283 0.6×	195 0.8×	138 0.7×	31	809
A. Tilche Italy	18	741 1.0×	424 0.6×	366 0.8×	151 0.6×	356 1.9×	36	1.1k
M. Torrijos France	19	461 0.6×	632 1.0×	370 0.8×	306 1.2×	276 1.4×	38	1.2k
U. Neis Germany	12	478 0.7×	537 0.8×	575 1.3×	237 0.9×	313 1.6×	15	1.4k
Renatto Moletta France	14	440 0.6×	266 0.4×	249 0.6×	164 0.6×	185 1.0×	23	843

Countries citing papers authored by S.W. Hobma

Since Specialization

Citations

This map shows the geographic impact of S.W. Hobma'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 S.W. Hobma with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites S.W. Hobma more than expected).

Fields of papers citing papers by S.W. Hobma

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by S.W. Hobma. 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 S.W. Hobma. The network helps show where S.W. Hobma may publish in the future.

Co-authorship network of co-authors of S.W. Hobma

This figure shows the co-authorship network connecting the top 25 collaborators of S.W. Hobma. A scholar is included among the top collaborators of S.W. Hobma 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 S.W. Hobma. S.W. Hobma is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

6 of 6 papers shown

1.

Lettinga, G., L.W. Hulshoff Pol, I.W. Koster, et al.. (1984). High-Rate Anaerobic Waste-Water Treatment Using the UASB Reactor under a Wide Range of Temperature Conditions. Biotechnology and Genetic Engineering Reviews. 2(1). 253–284. 122 indexed citations

2.

Lettinga, G., S.W. Hobma, L.W. Hulshoff Pol, et al.. (1983). Design Operation and Economy of Anaerobic Treatment. Water Science & Technology. 15(8-9). 177–195. 59 indexed citations

3.

Lettinga, G., S.W. Hobma, W.J. de Zeeuw, et al.. (1983). Use of the Upflow Anaerobic Sludge Blanket Process in Waste Water Treatment. Socio-Environmental Systems Modeling. 1 indexed citations

4.

Lettinga, G., A.F.M. van Velsen, S.W. Hobma, Willem de Zeeuw, & A. Klapwijk. (1980). Use of the upflow sludge blanket (USB) reactor concept for biological wastewater treatment, especially for anaerobic treatment. Biotechnology and Bioengineering. 22(4). 699–734. 965 indexed citations breakdown →

5.

Lettinga, G., A.F.M. van Velsen, Willem de Zeeuw, & S.W. Hobma. (1979). Feasibility of the Upflow Anaerobic Sludge Blanket (UASB)-Process. 35–45. 11 indexed citations

6.

Lettinga, G., et al.. (1979). Anaerobic treatment of methanolic wastes. Water Research. 13(8). 725–737. 60 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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