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CU • News & Events

Clarkson Professor Yang Receives NSF CAREER Award For PFAS Research

Release Date
Friday January 13, 2023
Yang Yang

Yang Yang, an assistant professor of Civil and Environmental Engineering at Clarkson University, has been awarded the National Science Foundation (NSF) CAREER Award for his research entitled: “Piezoelectric Mechanocatalytic Destruction of PFAS in Solid Matrices at Ambient Conditions: An Integrated Research and Education Plan.” The $550k in funding begins on May 1, 2023 and is good through 2028.

Per-and polyfluoroalkyl substances (PFAS) are synthetic chemicals that have been manufactured and used in numerous consumer products and industrial applications since the 1940s. PFAS are among the most stable chemicals ever produced. During the last two decades, increasing detection of PFAS in various environmental media has raised significant concerns about their persistence, stability, and adverse impact including toxicity to living organisms and humans. With the gradual phase-out of PFAS from consumer and industrial products, stocks of obsolete PFAS chemicals are becoming solid wastes. In addition, large quantities of PFAS solid wastes are increasingly being generated including wastewater sludge, contaminated soils, and spent granular activated carbon (GAC) and ion exchange (IX) media used to remove PFAS from contaminated drinking water sources. Currently, thermal processes such as incineration and pyrolysis have emerged as the most effective for treating and destroying PFAS laden solid wastes at industrial and commercial scales. However, PFAS thermal treatment processes require high temperatures (150-900 °C) and often generate gaseous streams containing toxic intermediates and products of incomplete combustion (PICs) that require additional treatment to mitigate their releases into the environment. 

The overarching goal of this CAREER project is to lay the foundation for the development and validation of a novel piezoelectric material (PZM)-assisted ball milling (BM) process capable of treating and destroying PFAS solid wastes at room temperature and ambient pressure. To advance this goal, Professor Yang proposes to explore the activation of mixtures of catalytic piezoelectric materials (PZMs) and PFAS chemicals/solid wastes using a BM reactor to generate high electric potentials to decompose and mineralize PFAS into benign inorganic products. The successful completion of this project will benefit society through the generation of new fundamental knowledge and the design and synthesis of reactive PZMs to advance the development of more effective and sustainable technologies for the treatment and destruction of PFAS solid wastes. Additional benefits to society will be achieved through student education and training including the mentoring of one graduate student and one undergraduate student at Clarkson University.

Yang says, “PFAS are not forever chemicals (in our lab), nor should they be our legacy to the next generation. Thank you NSF and tax-payers for putting your trust in my team.”

As a private, national research university, Clarkson is a leader in technological education and sustainable economic development through teaching, scholarship, research and innovation. We ignite personal connections across academic fields and industries to create the entrepreneurial mindset, knowledge and intellectual curiosity needed to innovate world-relevant solutions and cultivate the leaders of tomorrow. With its main campus located in Potsdam, N.Y., and additional graduate program and research facilities in the New York Capital Region, Beacon, N.Y., and New York City, Clarkson educates 4,600+ students across 95 rigorous programs of study in engineering, business, the arts, education, sciences and health professions. Our alumni earn salaries that are among the top 2.5% in the nation and realize accelerated career growth. One in five already leads as a CEO, senior executive or owner of a company. To learn more about Clarkson University, go to www.clarkson.edu.


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News directors and editors: For more information, contact Melissa Lindell, Director of Media Relations, at 315-268-6716 or mlindell@clarkson.edu.

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