Effects of Enzyme and Microbially Induced Carbonate Precipitation on Pervious Concrete Piles

Our paper titled “Effects of Enzyme and Microbially Induced Carbonate Precipitation (EICP and MICP) Treatments on the Response of Axially Loaded Pervious Concrete Piles” has been accepted for publication in the Journal of Geotechnical and Geoenvironmental Engineering. Citation Lin, H., O’Donnell, S.T., Suleiman, M.T., Kavazanjian, Jr. E., and Brown, D.G.. 2021. “Effects of Enzyme and […]


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Stiffness and Permeability of Sands Treated by Microbially Induced Carbonate Precipitation (MICP)

Our paper on pore-scale distributions of CaCO3 during microbially-induced carbonate precipitation and their effects on sand permeability and stiffness has been accepted for publication in Soils and Foundations. Citation Lin, H., Suleiman, M.T. and Brown, D.G. 2020. “Investigation of Pore-Scale CaCO3 Distributions and Their Effects on Stiffness and Permeability of Sands Treated by Microbially Induced […]


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Characterization and modeling of charge-regulated surfaces

Our paper on a method for obtaining parameters to allow charge-regulation modeling of natural and undefined surfaces has been accepted for publication in Langmuir. Citation Brown, D.G., Zhu, H., Albert, L.S., Fox, J.T. 2019. “Rapid characterization and modeling of natural and undefined charge-regulated surfaces in aqueous systems.” Accepted for publication in Langmuir. http://dx.doi.org/10.1021/acs.langmuir.9b02265 Abstract The […]


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Our patent for stabilizing anaerobic digestors to upset has been issued

In-situ, self-adjusting stability control of methane-producing anaerobic biological reactors through novel use of ion exchange fibers. U.S. Patent No.10,399,877. Filed 25 September 2017, Issued 3 September 2019. Assignee:Lehigh University. Inventors: Arup K . SenGupta, Derick G. Brown, and Yu Tian. If you are interested in details on the process, see our paper: Tian, Y., SenGupta, […]


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Congratulations to our new Environmental Engineering Ph.D.s!

Congratulations to Chelsey Shepsko and Hang Dong for earning their Ph.D.’s in 2019! Chelsey Shepsko Dissertation: “Advancement of the Hybrid Ion Exchange Nitrogen and Phosphate (HIX-NP) Recovery from Waste Water and a New Approach to Brine-Free Nitrate Removal” Hang Dong Dissertation: “Hybrid Ion Exchange Process Driven by Carbon Dioxide”


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