Hakan Olcay

1.8k total citations · 1 hit paper
15 papers, 1.4k citations indexed

About

Hakan Olcay is a scholar working on Biomedical Engineering, Mechanical Engineering and Renewable Energy, Sustainability and the Environment. According to data from OpenAlex, Hakan Olcay has authored 15 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Biomedical Engineering, 5 papers in Mechanical Engineering and 5 papers in Renewable Energy, Sustainability and the Environment. Recurrent topics in Hakan Olcay's work include Catalysis for Biomass Conversion (7 papers), Global Energy and Sustainability Research (5 papers) and Catalysis and Hydrodesulfurization Studies (5 papers). Hakan Olcay is often cited by papers focused on Catalysis for Biomass Conversion (7 papers), Global Energy and Sustainability Research (5 papers) and Catalysis and Hydrodesulfurization Studies (5 papers). Hakan Olcay collaborates with scholars based in United States, Belgium and Czechia. Hakan Olcay's co-authors include George W. Huber, Rong Xing, Ayyagari V. Subrahmanyam, Robert Malina, Steven R. H. Barrett, Ye Xu, James A. Dumesic, Hemant Pendse, Wei Qi and G. Peter van Walsum and has published in prestigious journals such as Environmental Science & Technology, Energy & Environmental Science and Applied Energy.

In The Last Decade

Hakan Olcay

15 papers receiving 1.3k citations

Hit Papers

Production of renewable jet fuel range alkanes and commod... 2014 2026 2018 2022 2014 100 200 300
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.

  1. Production of renewable jet fuel range alkanes and commodity chemicals from integrated catalytic processing of biomass
    2014 325 citations Jesse Q. Bond, Aniruddha A. Upadhye et al. Energy & Environmental Science profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Hakan Olcay United States 13 1.0k 572 249 159 136 15 1.4k
C. Luke Williams United States 17 1.5k 1.4× 532 0.9× 272 1.1× 125 0.8× 65 0.5× 27 1.8k
Hongbin Zhao China 18 238 0.2× 293 0.5× 317 1.3× 64 0.4× 109 0.8× 93 1.1k
Fatih Güleç United Kingdom 18 537 0.5× 331 0.6× 151 0.6× 108 0.7× 85 0.6× 45 941
Guiyan Zang United States 20 505 0.5× 455 0.8× 218 0.9× 269 1.7× 171 1.3× 46 1.3k
Jiuan Jing Chew Malaysia 16 844 0.8× 245 0.4× 229 0.9× 73 0.5× 41 0.3× 45 1.2k
Susan M. Stagg‐Williams United States 21 646 0.6× 266 0.5× 672 2.7× 518 3.3× 384 2.8× 43 1.5k
Alexandru Platon United States 9 624 0.6× 264 0.5× 324 1.3× 365 2.3× 71 0.5× 10 1.0k
Gholamreza Moradi Iran 28 863 0.8× 757 1.3× 938 3.8× 796 5.0× 128 0.9× 86 2.0k
Sergey Zinoviev Italy 6 474 0.5× 251 0.4× 151 0.6× 100 0.6× 109 0.8× 8 716
Abigail González-Díaz Mexico 14 269 0.3× 548 1.0× 115 0.5× 81 0.5× 137 1.0× 29 853

Countries citing papers authored by Hakan Olcay

Since Specialization
Citations

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

Fields of papers citing papers by Hakan Olcay

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hakan Olcay

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

All Works

15 of 15 papers shown
1.
Chen, Yian, Hakan Olcay, Eric C. D. Tan, et al.. (2025). Carboxylic Acid Concentration in Downstream Bioprocessing Using High-Pressure Reverse Osmosis. ACS Sustainable Chemistry & Engineering. 13(16). 5889–5905. 1 indexed citations
2.
Liu, Jian, Eric C. D. Tan, Pahola Thathiana Benavides, et al.. (2025). Techno-Economic Analysis and Life Cycle Assessment for the Separation of 2,3-Butanediol from Fermentation Broth Using Liquid–Liquid Extraction. Industrial & Engineering Chemistry Research. 64(10). 5511–5521. 2 indexed citations
3.
Safari, Mohammadhosein, et al.. (2023). A techno-economic evaluation of solar-powered green hydrogen production for sustainable energy consumption in Belgium. International Journal of Hydrogen Energy. 48(100). 39731–39746. 44 indexed citations
4.
Staples, Mark D., Wallace E. Tyner, Xin Zhao, et al.. (2021). Quantitative Policy Analysis for Sustainable Aviation Fuel Production Technologies. Frontiers in Energy Research. 9. 14 indexed citations
5.
Malina, Robert, Mark D. Staples, Sebastien Lizin, et al.. (2018). Life Cycle Greenhouse Gas Emissions and Costs of Production of Diesel and Jet Fuel from Municipal Solid Waste. Environmental Science & Technology. 52(21). 12055–12065. 29 indexed citations
6.
Olcay, Hakan, Robert Malina, Aniruddha A. Upadhye, et al.. (2018). Techno-economic and environmental evaluation of producing chemicals and drop-in aviation biofuelsviaaqueous phase processing. Energy & Environmental Science. 11(8). 2085–2101. 53 indexed citations
7.
Olcay, Hakan, et al.. (2015). Energy return on investment for alternative jet fuels. Applied Energy. 141. 167–174. 28 indexed citations
8.
Bond, Jesse Q., Aniruddha A. Upadhye, Hakan Olcay, et al.. (2014). Production of renewable jet fuel range alkanes and commodity chemicals from integrated catalytic processing of biomass. Energy & Environmental Science. 7(4). 1500–1523. 325 indexed citations breakdown →
9.
Malina, Robert, et al.. (2014). Environmental and economic assessment of producing hydroprocessed jet and diesel fuel from waste oils and tallow. Biomass and Bioenergy. 67. 108–118. 96 indexed citations
10.
Staples, Mark D., Robert Malina, Hakan Olcay, et al.. (2014). Lifecycle greenhouse gas footprint and minimum selling price of renewable diesel and jet fuel from fermentation and advanced fermentation production technologies. Energy & Environmental Science. 7(5). 1545–1554. 83 indexed citations
11.
Olcay, Hakan, Ye Xu, & George W. Huber. (2014). Effects of hydrogen and water on the activity and selectivity of acetic acid hydrogenation on ruthenium. Green Chemistry. 16(2). 911–924. 49 indexed citations
12.
Staples, Mark D., Hakan Olcay, Robert M. Malina, et al.. (2013). Water Consumption Footprint and Land Requirements of Large-Scale Alternative Diesel and Jet Fuel Production. Environmental Science & Technology. 47(21). 12557–12565. 44 indexed citations
13.
Olcay, Hakan, Ayyagari V. Subrahmanyam, Rong Xing, et al.. (2012). Production of renewable petroleum refinery diesel and jet fuel feedstocks from hemicellulose sugar streams. Energy & Environmental Science. 6(1). 205–216. 175 indexed citations
14.
Xing, Rong, Ayyagari V. Subrahmanyam, Hakan Olcay, et al.. (2010). Production of jet and diesel fuel range alkanes from waste hemicellulose-derived aqueous solutions. Green Chemistry. 12(11). 1933–1933. 288 indexed citations
15.
Olcay, Hakan, Lijun Xu, Ye Xu, & George W. Huber. (2010). Aqueous‐Phase Hydrogenation of Acetic Acid over Transition Metal Catalysts. ChemCatChem. 2(11). 1420–1424. 124 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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