World's Best Scientists 2026 revealed!
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Engineering and Technology
USA
2026

D-Index & Metrics

Engineering and Technology

D-Index
108
Citations
41984
World Ranking
91
National Ranking
34

Biology and Biochemistry

D-Index
103
Citations
39147
World Ranking
1314
National Ranking
769

Research.com Recognitions

  • 2026 - Research.com Engineering and Technology in United States Leader Award
  • 2025 - Research.com Engineering and Technology in United States Leader Award

Overview

Roger Ruan is affiliated with the University of Minnesota in the United States and has contributed extensively to the field of engineering, particularly within biomedical engineering, renewable energy, sustainability and the environment, mechanical engineering, industrial and manufacturing engineering, and pollution.

Their research addresses several main topics, including thermochemical biomass conversion processes, algal biology and biofuel production, catalysis and hydrodesulfurization studies, recycling and waste management techniques, catalysis for biomass conversion, lignin and wood chemistry, and biodiesel production and applications.

Roger Ruan has published frequently in a range of scientific venues. The most common publication outlets include:

  • Bioresource Technology
  • Chemical Engineering Journal
  • Journal of Cleaner Production
  • The Science of The Total Environment
  • SSRN Electronic Journal

Significant recent papers authored by Roger Ruan comprise:

  • "Photocatalytic degradation of organic pollutants using TiO2-based photocatalysts: A review" (2020, Journal of Cleaner Production)
  • "A review on catalytic pyrolysis of plastic wastes to high-value products" (2022, Energy Conversion and Management)
  • "Plastic waste upcycling toward a circular economy" (2021, Chemical Engineering Journal)
  • "Pyrolysis technology for plastic waste recycling: A state-of-the-art review" (2022, Progress in Energy and Combustion Science)
  • "Catalytic pyrolysis of plastic wastes in a continuous microwave assisted pyrolysis system for fuel production" (2021, Chemical Engineering Journal)

Frequent collaborators include researchers Yuhuan Liu, Yunpu Wang, Leilei Dai, and Kirk Cobb, each contributing to a notable number of joint publications.

Roger Ruan has also authored a book titled Environmental Pollution Governance and Ecological Remediation Technology, published by Springer Nature in 2023.

Best Publications

  • Photocatalytic degradation of organic pollutants using TiO2-based photocatalysts: A review

    Dongjie Chen;Yanling Cheng;Nan Zhou;Paul Chen

  • Cultivation of green algae Chlorella sp. in different wastewaters from municipal wastewater treatment plant.

    Liang Wang;Min Min;Yecong Li;Paul Chen

  • Characterization of a microalga Chlorella sp. well adapted to highly concentrated municipal wastewater for nutrient removal and biodiesel production

    Yecong Li;Yi-Feng Chen;Paul Chen;Min Min

  • ANAEROBIC DIGESTED DAIRY MANURE AS A NUTRIENT SUPPLEMENT FOR CULTIVATION OF OIL-RICH GREEN MICROALGAE CHLORELLA SP

    Liang Wang;Yecong Li;Paul Chen;Min Min

  • Microalgae-based wastewater treatment for nutrients recovery: A review

    Kun Li;Qiang Liu;Fan Fang;Ruihuan Luo

  • A review of catalytic hydrodeoxygenation of lignin-derived phenols from biomass pyrolysis.

    Quan Bu;Hanwu Lei;Alan H. Zacher;Lu Wang

  • A review on catalytic pyrolysis of plastic wastes to high-value products

    Unknown

  • Culture of Microalgae Chlamydomonas reinhardtii in Wastewater for Biomass Feedstock Production

    Qing Xue Kong;Ling Li;Ling Li;Blanca Martinez;Paul Chen

  • Pyrolysis technology for plastic waste recycling: A state-of-the-art review

    Unknown

  • Local bioprospecting for high-lipid producing microalgal strains to be grown on concentrated municipal wastewater for biofuel production

    Wenguang Zhou;Yecong Li;Min Min;Bing Hu

  • Microwave-assisted pyrolysis of microalgae for biofuel production

    Zhenyi Du;Yecong Li;Xiaoquan Wang;Yiqin Wan;Yiqin Wan

  • Mixotrophic cultivation of Chlorella vulgaris and its potential application for the oil accumulation from non-sugar materials

    Tamarys Heredia-Arroyo;Wei Wei;Roger Ruan;Bo Hu

  • Plastic waste upcycling toward a circular economy

    Xianhui Zhao;Matthew Korey;Kai Li;Katie Copenhaver

  • Polylactic acid (PLA) synthesis and modifications: a review

    Yanling Cheng;Yanling Cheng;Shaobo Deng;Paul Chen;Roger Ruan

  • Microwave-assisted pyrolysis of biomass: Catalysts to improve product selectivity

    Yiqin Wan;Yiqin Wan;Paul Chen;Bo Zhang;Changyang Yang

  • Review of biological and engineering aspects of algae to fuels approach

    Paul Chen;Min Min;YiFeng Chen;Liang Wang

  • Inactivation of Escherichia coli on almonds using nonthermal plasma.

    Shaobo Deng;Roger Ruan;Chul Kyoon Mok;Guangwei Huang

  • Integration of algae cultivation as biodiesel production feedstock with municipal wastewater treatment: strains screening and significance evaluation of environmental factors.

    Yecong Li;Wenguang Zhou;Bing Hu;Min Min

  • Bio-mitigation of carbon dioxide using microalgal systems: Advances and perspectives

    Wenguang Zhou;Jinghan Wang;Jinghan Wang;Paul Chen;Chengcheng Ji

  • Jet fuel production from waste plastics via catalytic pyrolysis with activated carbons

    Yayun Zhang;Yayun Zhang;Dengle Duan;Hanwu Lei;Elmar Villota

  • Novel Fungal Pelletization-Assisted Technology for Algae Harvesting and Wastewater Treatment

    Wenguang Zhou;Yanling Cheng;Yanling Cheng;Yun Li;Yun Li;Yiqin Wan

  • A hetero-photoautotrophic two-stage cultivation process to improve wastewater nutrient removal and enhance algal lipid accumulation

    Wenguang Zhou;Min Min;Yecong Li;Bing Hu

  • Production of phenols and biofuels by catalytic microwave pyrolysis of lignocellulosic biomass.

    Quan Bu;Hanwu Lei;Shoujie Ren;Lu Wang

Frequent Co-Authors

Paul Chen
Paul Chen University of Minnesota
Yuhuan Liu
Yuhuan Liu Nanchang University
Hanwu Lei
Hanwu Lei Washington State University
Wenguang Zhou
Wenguang Zhou Nanchang University
Jinhui Peng
Jinhui Peng Kunming University of Science and Technology
Arthur J. Ragauskas
Arthur J. Ragauskas University of Tennessee at Knoxville
Chi Chen
Chi Chen University of Minnesota
Shulin Chen
Shulin Chen Washington State University
Gerald C Shurson
Gerald C Shurson University of Minnesota
Juming Tang
Juming Tang Washington State University

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