Halis Şimşek

2.8k total citations · 1 hit paper
79 papers, 2.0k citations indexed

About

Halis Şimşek is a scholar working on Water Science and Technology, Renewable Energy, Sustainability and the Environment and Industrial and Manufacturing Engineering. According to data from OpenAlex, Halis Şimşek has authored 79 papers receiving a total of 2.0k indexed citations (citations by other indexed papers that have themselves been cited), including 25 papers in Water Science and Technology, 24 papers in Renewable Energy, Sustainability and the Environment and 16 papers in Industrial and Manufacturing Engineering. Recurrent topics in Halis Şimşek's work include Algal biology and biofuel production (16 papers), Wastewater Treatment and Nitrogen Removal (10 papers) and Advanced oxidation water treatment (10 papers). Halis Şimşek is often cited by papers focused on Algal biology and biofuel production (16 papers), Wastewater Treatment and Nitrogen Removal (10 papers) and Advanced oxidation water treatment (10 papers). Halis Şimşek collaborates with scholars based in United States, Türkiye and India. Halis Şimşek's co-authors include Pankaj Bhatt, Swati Sharma, Hatice İnan, Mehmet Karpuzcu, Eakalak Khan, Sanjeev Kumar Prajapati, Geeta Bhandari, Kalpana Bhatt, Bilal Cemek and Samiksha Joshi and has published in prestigious journals such as Environmental Science & Technology, The Science of The Total Environment and Water Research.

In The Last Decade

Halis Şimşek

71 papers receiving 2.0k 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.

Developments and application of chitosan-based adsorbents for wastewater treatments

2023 155 citations Pankaj Bhatt, Samiksha Joshi et al. Environmental Research profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Halis Şimşek United States	23	721	567	432	327	314	79	2.0k
Ali A. Al-Homaidan Saudi Arabia	18	381 0.5×	771 1.4×	361 0.8×	295 0.9×	295 0.9×	29	2.0k
Xiaomin Hu China	31	857 1.2×	641 1.1×	311 0.7×	490 1.5×	666 2.1×	165	2.7k
Jiangang Han China	29	784 1.1×	553 1.0×	235 0.5×	337 1.0×	672 2.1×	121	2.3k
Muhammad Hassan China	26	717 1.0×	704 1.2×	270 0.6×	318 1.0×	498 1.6×	53	2.0k
Zaixing Li China	26	584 0.8×	409 0.7×	342 0.8×	598 1.8×	652 2.1×	138	2.3k
Azmi Aris Malaysia	24	787 1.1×	255 0.4×	355 0.8×	303 0.9×	574 1.8×	76	1.9k
Ahmad Jusoh Malaysia	27	1.1k 1.6×	659 1.2×	409 0.9×	754 2.3×	298 0.9×	55	2.9k
Zixuan Wang China	25	705 1.0×	250 0.4×	399 0.9×	462 1.4×	617 2.0×	107	2.4k
S. Shanthakumar India	26	684 0.9×	790 1.4×	396 0.9×	327 1.0×	495 1.6×	70	2.2k
Lili Ma China	24	512 0.7×	308 0.5×	258 0.6×	284 0.9×	483 1.5×	82	1.9k

Countries citing papers authored by Halis Şimşek

Since Specialization

Citations

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

Fields of papers citing papers by Halis Şimşek

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Halis Şimşek

This figure shows the co-authorship network connecting the top 25 collaborators of Halis Şimşek. A scholar is included among the top collaborators of Halis Şimşek 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 Halis Şimşek. Halis Şimşek 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:

20 of 20 papers shown

Rana, Mohit Singh, et al.. (2026). Anaerobic co-digestion of aquaculture sludge and corn residues for methane production: Synergistic effect and kinetics. Biomass and Bioenergy. 209. 108979–108979.

Şimşek, Halis, et al.. (2025). Smart hydrothermal liquefaction: Bridging Aspen Plus and AI for carbon-neutral biofuel design. Biomass and Bioenergy. 208. 108860–108860.

Cemek, Bilal, et al.. (2025). Data-Driven Estimation of Reference Evapotranspiration in Paraguay from Geographical and Temporal Predictors. Applied Sciences. 15(21). 11429–11429.

Kayranlı, Birol, et al.. (2024). Peanut shell biochar for Rhodamine B removal: Efficiency, desorption, and reusability. Chemosphere. 364. 143056–143056. 16 indexed citations

Bhatt, Pankaj, et al.. (2024). Life cycle assessment on environmental feasibility of microalgae-based wastewater treatment for shrimp recirculating aquaculture systems. Bioresource Technology. 399. 130578–130578. 26 indexed citations

Turco, Ronald F., et al.. (2024). Optimizing electrochemical methods for fish wastewater treatment in recirculating aquaculture systems. Journal of Water Process Engineering. 66. 105891–105891. 6 indexed citations

Küçüktopçu, Erdem, Bilal Cemek, & Halis Şimşek. (2024). Machine Learning and Wavelet Transform: A Hybrid Approach to Predicting Ammonia Levels in Poultry Farms. Animals. 14(20). 2951–2951. 2 indexed citations

Bhatt, Pankaj, et al.. (2023). Bacteriophage-based biosensors for detection of pathogenic microbes in wastewater. The Science of The Total Environment. 901. 165859–165859. 26 indexed citations

Kumar, Pushpendar, Pankaj Bhatt, Halis Şimşek, et al.. (2023). An integration of algae-mediated wastewater treatment and resource recovery through anaerobic digestion. Journal of Environmental Management. 342. 118159–118159. 18 indexed citations

10.

Bhatt, Pankaj, et al.. (2023). Cyanophage-cyanobacterial interactions for sustainable aquatic environment. Environmental Research. 229. 115728–115728. 20 indexed citations

11.

Bhatt, Pankaj, et al.. (2023). Developments and application of chitosan-based adsorbents for wastewater treatments. Environmental Research. 226. 115530–115530. 155 indexed citations breakdown →

12.

Bhushan, Shashi, et al.. (2023). Biological pretreatment for algal biomass feedstock for biofuel production. Journal of environmental chemical engineering. 11(3). 109870–109870. 63 indexed citations

13.

Küçüktopçu, Erdem, et al.. (2023). Hybrid Statistical and Machine Learning Methods for Daily Evapotranspiration Modeling. Sustainability. 15(7). 5689–5689. 14 indexed citations

14.

Cemek, Bilal, et al.. (2023). Machine learning techniques in estimation of eggplant crop evapotranspiration. Applied Water Science. 13(6). 15 indexed citations

15.

Bhatt, Pankaj, et al.. (2023). Treatment and optimization of high-strength egg-wash wastewater effluent using electrocoagulation and electrooxidation methods. Chemosphere. 347. 140632–140632. 11 indexed citations

16.

Gangola, Saurabh, Geeta Bhandari, Samiksha Joshi, et al.. (2023). Esterase and ALDH dehydrogenase-based pesticide degradation by Bacillus brevis 1B from a contaminated environment. Environmental Research. 232. 116332–116332. 17 indexed citations

17.

Küçüktopçu, Erdem, et al.. (2023). Comparison of machine learning techniques and spatial distribution of daily reference evapotranspiration in Türkiye. Applied Water Science. 13(4). 19 indexed citations

18.

Eshkabilov, Sulaymon, et al.. (2021). Hyperspectral imaging techniques for rapid detection of nutrient content of hydroponically grown lettuce cultivars. Computers and Electronics in Agriculture. 181. 105968–105968. 61 indexed citations

19.

Şimşek, Halis, et al.. (2017). Impact of operations and cleaning on membrane fouling at a wastewater reclamation facility. Journal of Environmental Management. 193. 326–333. 9 indexed citations

20.

Cansaran‐Duman, Demet, Demet Çetin, Halis Şimşek, & Nilay Çöplü. (2010). Antimicrobial activities of the lichens Hypogymnia vittata, Hypogymnia physodes and Hypogymnia tubulosa and HPLC analysis of their usnic acid content.. Asian Journal of Chemistry. 22(8). 6125–6132. 12 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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