National (US)/International:
National (Greece):
State (Ohio):
University of Cincinnati:
- Highly Cited Researcher for 2021, Categories: (1) Engineering and (2) Environment and Ecology, Web of Science, Clarivate Analytics.
- TOP 10 Ranking (out of over 146,000 researchers) in Expertise in Water Pollutants: Worldwide, Listing by Expertscape, August 2021.
- W. Wesley Eckenfelder Graduate Research Faculty Advisor Award (2021) by the American Academy of Environmental Engineers and Scientists, the Association of Environmental Engineering and Science Professors, and the Environmental Engineering & Science Foundation for Outstanding Lifetime Achievements in the Advancement of Environmental Protection.
- AEESP Outstanding Publication Award (2021) for the article titled “Radical generation by the interaction of transition metals with common oxidants.” Environmental Science & Technology Vol. 38, Issue 13 (2004), pp. 3705-3712 (co-authored with his former Ph.D. student Dr. George Anipsitakis).
- Highly Cited Researcher with H>100 by Google Scholar, April 2020, Webometrics, 12th Edition, https://www.webometrics.info/en/hlargerthan100.
- Highly Cited Researcher for 2020, Categories: (1) Engineering and (2) Environment and Ecology, Web of Science, Clarivate Analytics.
- Highly Cited Researcher for 2019, Category: Engineering, Web of Science, Clarivate Analytics.
- Outstanding Reviewer Award, Water Research and Water Research X, Elsevier, 2019
- Appointed Guest Professor, Tianjin University, Tianjin, China, January 1, 2020-December 31, 2021.
- Appointed Guest Professor, Zhejiang University of Technology, Hangzhou, China, September 24, 2019-September 23, 2024.
- Award of Achievement as Distinguished Scientist under the Chinese Academy of Sciences President's International Fellowship Initiative, January 2, 2019.
- Highly Cited Researcher for 2018, Category: Engineering, Web of Science, Clarivate Analytics.
- Appointed Guest Professor, China University of Geosciences, Wuhan, China, November 2018.
- Appointed Guest Professor, Huazhong Agricultural University, Wuhan, China, November 1, 2018-October 31, 2021.
- Elected Fellow of the Association of Environmental Engineering and Science Professors (AEESP), October 2018.
- Appointed Guest Professor, Dalian Maritime University, Dalian, China, October 25, 2018-October 24, 2023.
- Elected Board Certified Environmental Engineering Member (BCEEM) of the American Academy of Environmental Engineers and Scientists (AAEES), August 2018
- Elected Fellow of the International Water Association (IWA), July 2018
- Royal Society of Chemistry, Sustainable Water Award, May 8, 2018.
- Elected Fellow of the European Academy of Sciences, January 2018.
- Appointed Guest Professor, Kunming University of Science and Technology, Kunming, China, October 16, 2017.
- Association of Environmental Engineering and Science Professors Distinguished Service Award, June 2017.
- Elected Fellow of the Royal Society of Chemistry, April 7, 2017.
- Albert Nelson Marquis Lifetime Achievement Award, The Marquis Who’s Who Publications Board, 2017
- Included Among “The Most Cited Researchers: Developed for Shanghai Ranking's Global Ranking of Academic Subjects 2016 by Elsevier” in two categories (Environmental Science and Engineering and Chemical Engineering)
- Certificate of Recognition-Author and Reviewer Award for 2016, American Chemical Society.
- Certificate of Recognition-Reviewing Award, American Chemical Society, September 23, 2016.
- Appointed Adjunct Professor, Nanjing University, China, April 15, 2016.
- Appointed Guest Professor, Harbin Institute of Technology, China, June 1, 2016-May 30, 2019.
- Appointed Visiting Professor, Dalian University of Technology, China, Oct. 12, 2015-Oct. 11, 2018.
- Outstanding Contribution in Reviewing Award, Applied Catalysis B: Environmental, Elsevier, November 2015.
- Outstanding Contribution in Reviewing Award, Water Research, Elsevier, September 2015
- Elected Fellow of the American Chemical Society, June 2015.
- The 2014 ARCADIS / AEESP Frontier in Research Award, August 2014 (The award was renamed as the Walter J. Weber, Jr. AEESP Frontier in Research Award in 2018).
- UNESCO Co-Chair Professor on “Water Access and Sustainability”, September 2013.
- Certificate of Achievement (July 9, 2014) by the journal “Environmental Science: Processes & Impacts (Royal Society of Chemistry)” for the article selected by the Editorial Board of the journal as Editor’s Top Choice; Title: “A Review on Cylindrospermopsin: The Global Occurrence, Detection, Toxicity and Degradation of a Potent Cyanotoxin”, Environmental Science: Processes & Impacts, Vol. 15, Issue 11, pp. 1979-2003, 2013.
- Tufts University Graduate School Alumni Outstanding Career Achievement Award, 2012.
- Inaugural Super Reviewer Award (only three of these internationally in 2011), Environmental Science and Technology (American Chemical Society), 2011.
- Featured by the Chemistry World magazine, Royal Society of Chemistry, Interview on “Cleaning up water”, http://www.rsc.org/chemistryworld/News/2011/July/05071101.asp , July 5, 2011.
- Excellence in Review Award, Environmental Science and Technology (American Chemical Society), 2008.
- AEESP Dissertation Advisor Award for Mentoring Hyeok Choi who was selected as the recipient of the CH2M Hill/AEESP Outstanding Doctoral Dissertation Award for 2008.
- National Science Foundation CAREER Award, 2005.
- DuPont Young Professor Award, 2005.
- Honor Roll Referee, Journal of Membrane Science, 2005.
- National Science Foundation Fellowship to Attend a Short Course on Nanotechnology, Biotechnology, and Green Manufacturing for Creating Sustainable Technologies, Northwestern University, June 2005.
- Who’s Who in America 2004, The Marquis Who’s Who Publication Board.
- American Water Works Association’s First Place 2002 Academic Achievement Award for Best Dissertation, 2002.
- Journal of Environmental Engineering Editor’s Award, American Society of Civil Engineers, 2001.
- Best Research Paper Presentation Award, Symposium: Nanotechnology in Catalysis, ACS 221 National Meeting, April 1-5, 2001, San Diego, California.
- Certificate of Merit Award for First Paper Presentation, American Chemical Society, Division of Environmental Chemistry, ACS 222nd National Meeting, August 26-31, Chicago, 2001.
- Recognition as a Member of Good Standing by ACS President, American Chemical Society, 2001.
- Graduate Student Research Paper Award for Excellence in Research and Presentation in Environmental Science, Division of Environmental Chemistry, American Chemical Society, 2001.
- Graduate Student Award for Excellence in Graduate Studies in Environmental Science, Division of Environmental Chemistry, American Chemical Society, 2001.
- AIChE Best Student Poster Paper (co-author), Materials Science and Eng. Division, AIChE Annual Meeting, Nov. 1996, Chicago, IL.
- Gerondelis Foundation Award, Tufts University, 1992-94.
National (Greece):
- Best Poster Presentation Award (by unanimous decision of the Hellenic Catalysis Society committee), Anion Doped Nanostructured Titania for Photacatalytic Decomposition of Cyanotoxins using Visible Light by P. Falaras, V. Likodimos, A. G. Kontos, A. Hiskia, T.M. Triantis, M. Pelaez and D. D. Dionysiou, The 11th Pan-Hellenic Symposium of Catalysis, October 22-23, 2010, Athens, Greece.
- Hellenic National Scholarship Foundation (I.K.Y.) Fellowship, Greece, 1986-91.
- Hellenic National Scholarship Foundation (I.K.Y.) Award for Excellent Performance, Greece, 1988-91.
State (Ohio):
- Cited in the Cincinnati Enquirer front page article on “Local group takes on toxic algae head”, December 8, 2014, http://www.cincinnati.com/story/news/2014/12/07/greater-cincinnati-effort-toxic-algae/20071331/.
- Featured (with Dr. Souhail Al-Abed from U.S. EPA) in a Focus on Technology radio news of 91.7 WVXU, Cincinnati Edition, “Want nanoparticles in your sunscreen? Technology may make the lotion work better, but are the ingredients safe for the environment?” by Ann Thompson, Sunday, August 16, 2009. http://www.wvxu.org/schedule/cincinnatiedition_archiveview.asp?ID=8/16/2009
- Ohio American Water Works Association (OAWWA), Research Paper Award, OAWWA Annual Conference, Cleveland, Ohio, August 29, 2001.
- Ohio Water Environment Association (OWEA), First Place Student Research Paper Award and Presentation, 75th Annual OWEA Conference, Dayton, Ohio, June 25-28, 2001.
University of Cincinnati:
- 2021 College of Engineering and Applied Science Distinguished Engineering Researcher Award (two-year term)
- 2019 College of Engineering and Applied Science Distinguished Engineering Researcher Award (two-year term)
- 2018 Master Educator Award, College of Engineering and Applied Sciences at the University of Cincinnati.
- 2017 Rieveschl Award for Distinguished Scientific Research, University of Cincinnati
- 2017 Award for Faculty Excellence, University of Cincinnati
- Elected Fellow of the Graduate School, University of Cincinnati, January 2016
- UC Editorial Assistantship: 2020/2021, 2018/2019, 2017/2018, 2016/2017, 2015/2016, 2014/2014, 2013/2012, 2012/2011, 2011/2010, 2010/2009, 2008/2007
- 2016 College of Engineering and Applied Science Distinguished Engineering Researcher Award (two-year term)
- 2014 College of Engineering and Applied Science Research Award
- 2014 College of Engineering and Applied Science Distinguished Engineering Researcher Award (two-year term)
- 2012 College of Engineering and Applied Science Distinguished Engineering Researcher Award (two-year term)
- 2010 College of Engineering Distinguished Engineering Researcher Award (two-year term)
- 2009 College of Engineering Distinguished Engineering Researcher Award
- Awarded five times for a three-year term (2009-2012, 2012-2015, 2015-2018, 2018-2021, 2021-2024) the Herman Schneider Professorship in the College of Engineering and Applied Sciences at the University of Cincinnati.
- 2007 Sigma Xi Young Investigator Research Recognition Award, University of Cincinnati Chapter.
- 2006 College of Engineering Research Award for Young Faculty, University of Cincinnati.
- 2003-2004 Distinguished Junior Faculty Research Award, Department of Civil and Environmental Engineering, University of Cincinnati, 2004.
- Dr. Pasquale V. and Flora Jean Scarpino and Family Award for The Best Doctor of Philosophy Dissertation, Environmental Engineering Division, University of Cincinnati, 2001.