Stefano Freguia

Optimising nitrogen recovery from reject water in a 3-chamber bioelectroconcentration cell

V Koskue, JM Rinta-Kanto, S Freguia, P Ledezma, M Kokko

Journal article  |  2021  |  Separation and Purification Technology

Electrochemical biofilm control by reconstructing microbial community in agricultural water distribution systems.

Peng Song, Yang Xiao, Zhiyong Jason Ren, John P Brooks, Lu Lu, Bo Zhou, Yunpeng Zhou, Stefano Freguia, Zhidan Liu, Ning Zhang, Yunkai Li

Journal article  |  2021  |  Journal of Hazardous Materials

Biofilm causes considerable technical challenges in agricultural water distribution systems. Electrochemical treatment (ECT) is a ..

Extracellular electron transfer by Microcystis aeruginosa is solely driven by high pH

R Vieira Lemos, S Tsujimura, P Ledezma, Y Tokunou, A Okamoto, S Freguia

Journal article  |  2021  |  Bioelectrochemistry

Extracellular electron transfer (EET) by the cyanobacterium Microcystis aeruginosa was investigated. Observations indicate that EE..

Synechococcus and Other Bloom-Forming Cyanobacteria Exhibit Unique Redox Signatures

Y Tokunou, R Vieira Lemos, S Tsujimura, A Okamoto, P Ledezma, S Freguia

Journal article  |  2021  |  ChemElectroChem

Staged electrochemical treatment guided by modelling allows for targeted recovery of metals and rare earth elements from acid mine drainage

ET Brewster, S Freguia, M Edraki, L Berry, P Ledezma

Journal article  |  2020  |  Journal of Environmental Management

Acid mine drainage (AMD) is a challenge for current and legacy mining operations worldwide given its potential to severely harm ec..

Urine Treatment on the International Space Station: Current Practice and Novel Approaches.

Federico Volpin, Umakant Badeti, Chen Wang, Jiaxi Jiang, Jörg Vogel, Stefano Freguia, Dena Fam, Jaeweon Cho, Sherub Phuntsho, Ho Kyong Shon

Journal article  |  2020  |  Membranes

A reliable, robust, and resilient water recovery system is of paramount importance on board the International Space Station (ISS)...

Energy recovery through reverse electrodialysis: Harnessing the salinity gradient from the flushing of human urine.

Federico Volpin, Yun Chul Woo, Hanki Kim, Stefano Freguia, Namjo Jeong, June-Seok Choi, Jaeweon Cho, Sherub Phuntsho, Ho Kyong Shon

Journal article  |  2020  |  Water Research

Urine dilution is often performed to avoid clogging or scaling of pipes, which occurs due to urine's Ca2+ and Mg2+ precipitating a..

Self-Powered Bioelectrochemical Nutrient Recovery for Fertilizer Generation from Human Urine

Stefano Freguia, Maddalena E Logrieco, Juliette Monetti, Pablo Ledezma, Bernardino Virdis, Seiya Tsujimura

Journal article  |  2019  |  Sustainability

Nutrient recovery from source-separated human urine has been identified by many as a viable avenue towards the circular economy of..

Recovery of elemental sulfur with a novel integrated bioelectrochemical system with an electrochemical cell.

Enric Blázquez, David Gabriel, Juan Antonio Baeza, Albert Guisasola, Stefano Freguia, Pablo Ledezma

Journal article  |  2019  |  The Science of The Total Environment

Several industrial activities produce wastewater with high sulfate content that can cause significant environmental issues. Althou..

Microbial electrosynthesis system with dual biocathode arrangement for simultaneous acetogenesis, solventogenesis and carbon chain elongation

Igor Vassilev, Frauke Kracke, Stefano Freguia, Jurg Keller, Jens O Kroemer, Pablo Ledezma, Bernardino Virdis

Journal article  |  2019  |  Chemical Communications

A microbial electrosynthesis cell comprising two biological cathode chambers sharing the same anode compartment is used to promote..