Rachel Brennan
Professor of Civil Engineering
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231K Sackett
University Park, PA - rab44@psu.edu
- 814-865-9428
Most Recent Publications
Trace organic contaminant removal in six full-scale integrated fixed-film activated sludge (IFAS) systems treating municipal wastewater
M. Shreve, R. Brennan, Water Research on p. 318-331
Sequential ethanol fermentation and anaerobic digestion increases bioenergy yields from duckweed.
O. Calicioglu, R. Brennan, Bioresource Technology on p. 344-348
Nutrient Cycling with Duckweed for the Fertilization of Root, Fruit, Leaf, and Grain Crops: Impacts on Plant–Soil–Leachate Systems
Carlos R. Fernandez Pulido, Pandara Valappil Femeena, Rachel A. Brennan, 2024, Agriculture (Switzerland)
Spatial optimization of nutrient recovery from dairy farms to support economically viable load reductions in the Chesapeake Bay Watershed
P. V. Femeena, Femeena Pandara Valappil, C. Costello, R. A. Brennan, 2023, Agricultural Systems on p. 103640
Maximizing duckweed biomass production for food security at low light intensities: Experimental results and an enhanced predictive model
P. V. Femeena, Femeena Pandara Valappil, B Roman, R. A. Brennan, 2023, Environmental Challenges on p. 100709
CREATING A CIRCULAR NITROGEN BIOECONOMY IN AGRICULTURAL SYSTEMS THROUGH NUTRIENT RECOVERY AND UPCYCLING BY MICROALGAE AND DUCKWEED: PAST EFFORTS AND FUTURE TRENDS
Pandara Valappil Femeena, Gregory R. House, Rachel A. Brennan, 2022, Journal of the ASABE on p. 327-346
Advantageous microbial community development and improved performance of pilot-scale field systems treating high-risk acid mine drainage with crab shell
Yishan Lin, Jessica A. Grembi, Sara S. Goots, Aswathy Sebastian, István Albert, Rachel A. Brennan, 2021, Journal of Hazardous Materials on p. 126665
Nitrate removal in greenhouse water using mushroom compost with artificially constructed wetlands
Robert Harvey, D Davis, B Savani, J PECCHIA, John Pecchia, 2021, Journal of Plant Sciences and Research on p. 5
Coupling ecological wastewater treatment with the production of livestock feed and irrigation water provides net benefits to human health and the environment: A life cycle assessment
B. Roman, R. A. Brennan, 2021, Journal of Environmental Management
Recovery of waste nutrients by duckweed for reuse in sustainable agriculture: Second-year results of a field pilot study with sorghum
Carlos Fernandez Pulido, Jonathan Caballero, Maryann Bruns, Rachel A. Brennan, 2021, Ecological Engineering
Most-Cited Papers
Trace organic contaminant removal in six full-scale integrated fixed-film activated sludge (IFAS) systems treating municipal wastewater
Michael J. Shreve, Rachel A. Brennan, 2019, Water Research on p. 318-331
Sequential ethanol fermentation and anaerobic digestion increases bioenergy yields from duckweed
O. Calicioglu, R. A. Brennan, 2018, Agricultural Wastes on p. 344-348
Techno-economic Analysis and Life Cycle Assessment of an Integrated Wastewater-Derived Duckweed Biorefinery
Ozgul Calicioglu, Pandara Valappil Femeena, Femeena Pandara Valappil, Christopher Mutel, Deborah Sills, Tom L. Richard, Rachel A. Brennan, 2021, ACS Sustainable Chemistry and Engineering on p. 9395--9408
The white-rot fungus Trametes versicolor reduces the estrogenic activity of a mixture of emerging contaminants in wastewater treatment plant effluent
Michael J. Shreve, Adrienne Brockman, Marissa Hartleb, Sarah Prebihalo, Frank L. Dorman, Rachel A. Brennan, 2016, International Biodeterioration and Biodegradation on p. 132-140
Effect of pH and temperature on microbial community structure and carboxylic acid yield during the acidogenic digestion of duckweed 09 Engineering 0907 Environmental Engineering 06 Biological Sciences 0605 Microbiology 09 Engineering 0904 Chemical Engineering
O. Calicioglu, M. Shreve, Tom L. Richard, Rachel A. Brennan, 2018, Biotechnology for Biofuels on p. 19
A beneficial by-product of ecological wastewater treatment: An evaluation of wastewater-grown duckweed as a protein supplement for sustainable agriculture
B. Roman, R. A. Brennan, 2019, Ecological Engineering: X
Anaerobic bioprocessing of wastewater-derived duckweed: Maximizing product yields in a biorefinery value cascade
O. Calicioglu, T. L. Richard, Rachel A. Brennan, 2019, Agricultural Wastes
Duckweed as an agricultural amendment: Nitrogen mineralization, leaching, and sorghum uptake
Andrew Kreider, Carlos Fernandez Pulido, Maryann Bruns, Rachel A. Brennan, 2019, Journal of Environmental Quality on p. 469-475
Duckweed protein supports the growth and organ development of mice: A feeding study comparison to conventional casein protein
Benjamin Roman, R. A. Brennan, J. D. Lambert, R Brennan, 2021, Journal of Food Science on p. 1097-1104
Coupling ecological wastewater treatment with the production of livestock feed and irrigation water provides net benefits to human health and the environment: A life cycle assessment
B. Roman, R. A. Brennan, 2021, Journal of Environmental Management
News Articles Featuring Rachel Brennan
Oct 17, 2024
Climate Consortium awards projects to drive climate solutions across key sectors
The Penn State Climate Consortium has awarded funding to four research projects through its Climate Solutions Accelerator Program. Through this program, the consortium aims to put promising climate solutions into action via interdisciplinary partnerships.
Full Article
Jul 30, 2022
Undergrads to present research at public symposium on climate science, solutions
Four summer research programs that task undergraduate students with exploring pressing research related to climate science and solutions are culminating in a combined event that is open to the public.
Full Article
Jun 08, 2020
Research team to study food resilience in the face of catastrophic global events
An interdisciplinary team of Penn State professors has received $3 million from Open Philanthropy to study food resilience in the face of potentially catastrophic global events.
Full Article