Published: Nov. 12, 2018


pui research

We are developing green technologies that benefit sustainable environment, which will enable people and the environment to prosper together. The Particle Technology Laboratory (PTL) has developed many instruments and samplers to perform atmospheric measurements, which helped to establish the U.S. PM2.5 standard. The effects of PM2.5 pollutants on the atmospheric visibility and human health will be addressed. The major PM2.5 sources in China have been identified to come from coal burning, vehicle emissions and steel/cement plants. Filtration is the principal means to control the PM2.5 pollutants.  The Center for Filtration Research (CFR) at the University of Minnesota, collaborating with 20 leading international filtration companies, was established to find filtration solutions to mitigate PM2.5 and other environmental pollutants. CFR investigators perform fundamental and applied research on air, gas and liquid filtration.  Fundamental research in measuring and filtering sub-20 nm particles in liquid and in air will be presented. A Gasoline Particulate Filter (GPF) for Gasoline Direct Injection (GDI) engines has been developed to meet LEV3 and Euro 6 standards.  A disruptive innovation, namely, the Solar-Assisted Large-Scale Cleaning System (SALSCS), is developed to mitigate PM2.5 pollutants in urban air.  The second generation SALSCS is developed to reduce not only the PM2.5 but also CO2 in the atmosphere.  An integrative and collaborative approach, among academia, governments, and industries, can effectively manage and create a sustainable global environment.


David Y.H. Pui, PhD Bio 

Distinguished McKnight University Professor, LM Fingerson/TSI Inc. Chair in Mechanical Engineering, Director of the Particle Technology Laboratory (PTL) and the Center for Filtration Research (CFR), University of Minnesota, Minneapolis, MN 55455

pui headshotProfessor David Y. H. Pui is a Distinguished McKnight University Professor and LM Fingerson/TSI Inc. Chair in Mechanical Engineering at the University of Minnesota.  He is the Director of the Particle Technology Laboratory (PTL), and also the Director of the Center for Filtration Research (CFR) collaborating with 20 leading international filtration companies.  He has a broad range of research experience in aerosol and nanoparticle science and filtration technology and has over 290 journal papers and 40 patents. He has developed several widely used commercial aerosol instruments and is a co-founder of Nanocopoeia for nano-formulation of pharmaceutical drugs.  Dr. Pui has received many awards, including the Max Planck Research Award (1993), the Humboldt Research Award for Senior U.S. Scientists (2000), the Fuchs Memorial Award (2010) -- the highest disciplinary award conferred jointly by the American, German and Japanese Aerosol Associations, and the Einstein Professorship Award (2013) by the Chinese Academy of Sciences (CAS).  Dr. Pui is a Member of the U.S. National Academy of Engineering (NAE).