Özlem Karahan

1.4k total citations
45 papers, 1.2k citations indexed

About

Özlem Karahan is a scholar working on Pollution, Industrial and Manufacturing Engineering and Water Science and Technology. According to data from OpenAlex, Özlem Karahan has authored 45 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 34 papers in Pollution, 21 papers in Industrial and Manufacturing Engineering and 13 papers in Water Science and Technology. Recurrent topics in Özlem Karahan's work include Wastewater Treatment and Nitrogen Removal (28 papers), Water Quality Monitoring and Analysis (12 papers) and Anaerobic Digestion and Biogas Production (7 papers). Özlem Karahan is often cited by papers focused on Wastewater Treatment and Nitrogen Removal (28 papers), Water Quality Monitoring and Analysis (12 papers) and Anaerobic Digestion and Biogas Production (7 papers). Özlem Karahan collaborates with scholars based in Türkiye, Netherlands and Denmark. Özlem Karahan's co-authors include Derin Orhon, Mark C.M. van Loosdrecht, Serdar Doǧruel, Ebru Dülekgürgen, Emine Ubay Çokgör, Güçlü İnsel, António Martins, Seval Sözen, Idil Arslan‐Alaton and Mogens Henze and has published in prestigious journals such as Water Research, Journal of Hazardous Materials and Bioresource Technology.

In The Last Decade

Özlem Karahan

45 papers receiving 1.2k citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Özlem Karahan Türkiye 19 868 574 414 198 152 45 1.2k
Paulo Igor Milen Firmino Brazil 19 804 0.9× 461 0.8× 278 0.7× 215 1.1× 129 0.8× 40 1.2k
N. Artan Türkiye 23 1.3k 1.5× 661 1.2× 651 1.6× 179 0.9× 281 1.8× 64 1.6k
Tapas Nandy India 19 492 0.6× 564 1.0× 344 0.8× 193 1.0× 164 1.1× 61 1.3k
Mei-le Lv China 7 645 0.7× 393 0.7× 194 0.5× 184 0.9× 174 1.1× 8 898
Ying An China 20 650 0.7× 623 1.1× 356 0.9× 232 1.2× 221 1.5× 55 1.3k
R. Ramadori Italy 23 1.1k 1.3× 517 0.9× 628 1.5× 250 1.3× 315 2.1× 56 1.6k
Chengyuan Su China 23 738 0.9× 345 0.6× 414 1.0× 115 0.6× 275 1.8× 77 1.3k
Alessandro Spagni Italy 24 600 0.7× 691 1.2× 317 0.8× 97 0.5× 165 1.1× 40 1.3k
A. Bouzas Spain 22 572 0.7× 381 0.7× 746 1.8× 143 0.7× 72 0.5× 48 1.4k
Shahin Ghafari Malaysia 13 639 0.7× 623 1.1× 364 0.9× 170 0.9× 405 2.7× 15 1.6k

Countries citing papers authored by Özlem Karahan

Since Specialization
Citations

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

Fields of papers citing papers by Özlem Karahan

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Özlem Karahan. 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 Özlem Karahan. The network helps show where Özlem Karahan may publish in the future.

Co-authorship network of co-authors of Özlem Karahan

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

All Works

20 of 20 papers shown
1.
Karahan, Özlem, et al.. (2015). Characteristics and biodegradability of olive mill wastewaters. Environmental Technology. 37(10). 1240–1248. 15 indexed citations
2.
Ölmez-Hancı, Tuğba, Idil Arslan‐Alaton, Derin Orhon, et al.. (2011). Is the naphthalene sulfonate H-acid biodegradable in mixed microbial cultures under aerobic conditions?. Bioresource Technology. 102(10). 5589–5595. 11 indexed citations
3.
Martins, António, Özlem Karahan, & Mark C.M. van Loosdrecht. (2010). Effect of polymeric substrate on sludge settleability. Water Research. 45(1). 263–273. 73 indexed citations
4.
Karahan, Özlem, Tuğba Ölmez-Hancı, Idil Arslan‐Alaton, & Derin Orhon. (2010). Modelling biodegradation of nonylphenol ethoxylate in acclimated and non-acclimated microbial cultures. Bioresource Technology. 101(21). 8058–8066. 21 indexed citations
5.
Karahan, Özlem. (2009). Inhibition effect of linear alkylbenzene sulphonates on the biodegradation mechanisms of activated sludge. Bioresource Technology. 101(1). 92–97. 16 indexed citations
6.
Orhon, Derin, Emine Ubay Çokgör, Tugce Katipoglu‐Yazan, Güçlü İnsel, & Özlem Karahan. (2009). Fate of 2,6-dihydroxybenzoic acid and its inhibitory impact on the biodegradation of peptone under aerobic conditions. Bioresource Technology. 101(8). 2665–2671. 15 indexed citations
7.
Güven, Didem, Özlem Karahan, Hanïfe Büyükgüngör, & Seval Sözen. (2009). Storage phenomena in relation to carbon sources for denitrification. Desalination and Water Treatment. 8(1-3). 171–176. 2 indexed citations
8.
Orhon, Derin, Emine Ubay Çokgör, Güçlü İnsel, Özlem Karahan, & Tugce Katipoglu‐Yazan. (2009). Validity of Monod kinetics at different sludge ages – Peptone biodegradation under aerobic conditions. Bioresource Technology. 100(23). 5678–5686. 70 indexed citations
9.
Çığgın, Aslı Seyhan, Özlem Karahan, & Derin Orhon. (2008). Effect of high nitrate concentration on PHB storage in sequencing batch reactor under anoxic conditions. Bioresource Technology. 100(3). 1376–1382. 18 indexed citations
10.
Pehlivanoğlu-Mantaş, Elif, Güçlü İnsel, Özlem Karahan, Emine Ubay Çokgör, & Derin Orhon. (2008). Case Studies from Turkey: Xenobiotic-containing Industries, Wastewater Treatment and Modeling. Water Air and Soil Pollution Focus. 8(5-6). 519–528. 4 indexed citations
11.
Çokgör, Emine Ubay, Özlem Karahan, & Derin Orhon. (2007). The effect of mixing pharmaceutical and tannery wastewaters on the biodegradation characteristics of the effluents. Journal of Hazardous Materials. 156(1-3). 292–299. 29 indexed citations
12.
Orhon, Derin, Güçlü İnsel, & Özlem Karahan. (2007). Respirometric assessment of biodegradation characteristics of the scientific pitfalls of wastewaters. Water Science & Technology. 55(10). 1–9. 15 indexed citations
13.
Karahan, Özlem, Serdar Doǧruel, Ebru Dülekgürgen, & Derin Orhon. (2007). COD fractionation of tannery wastewaters—Particle size distribution, biodegradability and modeling. Water Research. 42(4-5). 1083–1092. 101 indexed citations
14.
Çokgör, Emine Ubay, et al.. (2006). Effect of Perozonation on Biodegradability and Toxicity of a Penicillin Formulation Effluent. Journal of Environmental Science and Health Part A. 41(9). 1887–1897. 14 indexed citations
15.
Karahan, Özlem, Mark C.M. van Loosdrecht, & Derin Orhon. (2006). Modeling the utilization of starch by activated sludge for simultaneous substrate storage and microbial growth. Biotechnology and Bioengineering. 94(1). 43–53. 59 indexed citations
16.
Çokgör, Emine Ubay, et al.. (2006). Critical appraisal of respirometric methods for metal inhibition on activated sludge. Journal of Hazardous Materials. 139(2). 332–339. 45 indexed citations
17.
Dülekgürgen, Ebru, Serdar Doǧruel, Özlem Karahan, & Derin Orhon. (2005). Size distribution of wastewater COD fractions as an index for biodegradability. Water Research. 40(2). 273–282. 140 indexed citations
18.
Karahan, Özlem, António Martins, Derin Orhon, & Mark C.M. van Loosdrecht. (2005). Experimental evaluation of starch utilization mechanism by activated sludge. Biotechnology and Bioengineering. 93(5). 964–970. 33 indexed citations
19.
Tünay, Olcay, Gülsüm Emel Zengin, Işık Kabdaşlı, & Özlem Karahan. (2004). Performance of Magnesium Ammonium Phosphate Precipitation and Its Effect on Biological Treatability of Leather Tanning Industry Wastewaters. Journal of Environmental Science and Health Part A. 39(7). 1891–1902. 9 indexed citations
20.
Karahan, Özlem, et al.. (2002). Effect of Ozonation on the Biological Treatability of a Textile Mill Effluent. Environmental Technology. 23(12). 1325–1336. 17 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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