Ryan Lefers
King Abdullah University of Science and Technology
Research Interests
Publications
Vacuum membrane distillation of liquid desiccants utilizing hollow fiber membranes
Separation and Purification Technology / Jun 01, 2018
Lefers, R., Bettahalli, N. M. S., Fedoroff, N., Nunes, S. P., & Leiknes, T. (2018). Vacuum membrane distillation of liquid desiccants utilizing hollow fiber membranes. Separation and Purification Technology, 199, 57–63. https://doi.org/10.1016/j.seppur.2018.01.042
Triple-bore hollow fiber membrane contactor for liquid desiccant based air dehumidification
Journal of Membrane Science / Sep 01, 2016
Bettahalli, N. M. S., Lefers, R., Fedoroff, N., Leiknes, T., & Nunes, S. P. (2016). Triple-bore hollow fiber membrane contactor for liquid desiccant based air dehumidification. Journal of Membrane Science, 514, 135–142. https://doi.org/10.1016/j.memsci.2016.04.059
BIOFILTERS AND AIR SCRUBBERS IN THE NETHERLANDS
Odour and Ammonia Emissions from Livestock Farming / Sep 02, 2003
BIOFILTERS AND AIR SCRUBBERS IN THE NETHERLANDS. (2003). Odour and Ammonia Emissions from Livestock Farming, 100–105. https://doi.org/10.4324/9780203215975-13
Liquid desiccant dehumidification and regeneration process to meet cooling and freshwater needs of desert greenhouses
Desalination and Water Treatment / Apr 19, 2016
Lefers, R., Bettahalli, N. M. S., Nunes, S. P., Fedoroff, N., Davies, P. A., & Leiknes, T. (2016). Liquid desiccant dehumidification and regeneration process to meet cooling and freshwater needs of desert greenhouses. Desalination and Water Treatment, 57(48–49), 23430–23442. https://doi.org/10.1080/19443994.2016.1173383
CONFIGURATION OF A VERTICAL BIOFILTER
Livestock Environment VII, 18-20 May 2005, Beijing, China
R.E. Nicolai, R. Lefers, & and S.H. Pohl. (n.d.). CONFIGURATION OF A VERTICAL BIOFILTER. Livestock Environment VII, 18-20 May 2005, Beijing, China. https://doi.org/10.13031/2013.18386
Scientific Communication for Natural Resource Professionals
Scientific Communication for Natural Resource Professionals / Jan 01, 2012
Brown, M. L., & Jenks, J. A. (Eds.). (2012). Scientific Communication for Natural Resource Professionals. Scientific Communication for Natural Resource Professionals. https://doi.org/10.47886/9781934874288.ch3
Aquaponics water use and nutrient cycling in a seawater-cooled controlled environment agriculture system
Acta Horticulturae / Feb 01, 2020
Lefers, R., Alam, A., Scarlett, F., & Leiknes, T. (2020). Aquaponics water use and nutrient cycling in a seawater-cooled controlled environment agriculture system. Acta Horticulturae, 1271, 395–402. https://doi.org/10.17660/actahortic.2020.1271.54
Aquaponics water use and nutrient cycling in a seawater-cooled controlled environment agriculture system
Acta Horticulturae / Feb 01, 2020
Lefers, R., Alam, A., Scarlett, F., & Leiknes, T. (2020). Aquaponics water use and nutrient cycling in a seawater-cooled controlled environment agriculture system. Acta Horticulturae, 1271, 395–402. https://doi.org/10.17660/actahortic.2020.1271.54
Comparative review of membrane-based desalination technologies for energy-efficient regeneration in liquid desiccant air conditioning of greenhouses
Renewable and Sustainable Energy Reviews / Feb 01, 2022
Pasqualin, P., Lefers, R., Mahmoud, S., & Davies, P. A. (2022). Comparative review of membrane-based desalination technologies for energy-efficient regeneration in liquid desiccant air conditioning of greenhouses. Renewable and Sustainable Energy Reviews, 154, 111815. https://doi.org/10.1016/j.rser.2021.111815
Emerging Technologies to Enable Sustainable Controlled Environment Agriculture in the Extreme Environments of Middle East-North Africa Coastal Regions
Frontiers in Plant Science / Jul 02, 2020
Lefers, R. M., Tester, M., & Lauersen, K. J. (2020). Emerging Technologies to Enable Sustainable Controlled Environment Agriculture in the Extreme Environments of Middle East-North Africa Coastal Regions. Frontiers in Plant Science, 11. https://doi.org/10.3389/fpls.2020.00801
Hollow fibre membrane-based liquid desiccant humidity control for controlled environment agriculture
Biosystems Engineering / Jul 01, 2019
Lefers, R. M., Srivatsa Bettahalli, N. M., Fedoroff, N. V., Ghaffour, N., Davies, P. A., Nunes, S. P., & Leiknes, T. (2019). Hollow fibre membrane-based liquid desiccant humidity control for controlled environment agriculture. Biosystems Engineering, 183, 47–57. https://doi.org/10.1016/j.biosystemseng.2019.04.010
Proof of Concept: Pozzolan Bricks for Saline Water Evaporative Cooling in Controlled Environment Agriculture
Applied Engineering in Agriculture / Jan 01, 2018
Lefers, R. M., Davies, P. A., Fedoroff, N. V., Almadhoun, N., Tester, M. A., & Leiknes, T. (2018). Proof of Concept: Pozzolan Bricks for Saline Water Evaporative Cooling in Controlled Environment Agriculture. Applied Engineering in Agriculture, 34(6), 929–937. https://doi.org/10.13031/aea.13013
Seeking a consensus: water management principles from the monotheistic scriptures
Water Policy / Mar 13, 2015
Lefers, R., Maliva, R. G., & Missimer, T. M. (2015). Seeking a consensus: water management principles from the monotheistic scriptures. Water Policy, 17(5), 984–1002. https://doi.org/10.2166/wp.2015.165
Education
King Abdullah University of Science and Technology
PhD, Environmental Health Engineering / 2016
South Dakota State University
MS, Agricultural Engineering / 2006
Experience
RedSea
Co-Founder & CEO / 2018 — Present
We are an agriculture science and technology company with a mission to feed the world sustainably.
Texas A&M
Assistant Professor / 2019 — 2020
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