2024-03-28T10:54:59Zhttp://buleria.unileon.es/oai/requestoai:buleria.unileon.es:10612/95692023-06-01T07:27:51Zcom_10612_17col_10612_18
BULERIA. Repositorio Institucional de la Universidad de León
author
San Martín Bécares, Isabel
author
Mateos González, Raúl
author
Escapa González, Adrián
author
Morán Palao, Antonio
other
Ingenieria Quimica
2019-02-11T16:16:47Z
2019-02-11T16:16:47Z
2019-02-11
Journal of Environmental Science and Health, Part A
http://hdl.handle.net/10612/9569
This study was aimed at understanding the effect of applied voltage, catholyte and reactor scale on nitrogen recovery from two different organic wastes (digestate and pig slurry) by means of microbial electrolysis cell (MEC) technology. For this purpose, MEC sizes of 100, 500 and 1000 mL were tested at applied voltages of 0.6, 1 and 1.4 V using either a phosphate-buffered solution or NaCl solution as the catholyte. By increasing the reactor size from 500 mL to 1000 mL, a decrease in the ammonia recovery efficiency from 47 to 42 % was observed. The results also showed that the phosphate-buffered solution is preferable as the catholyte and that the voltage applied does not have a noticeable effect on current production and ammonia recovery. Low biodegradability of the wastes was identified as the main bottleneck.
This research was supported by the European Union Horizon 2020 Research and Innovation Programme (GA nº 668128-Newfert-H2020-BBI-PPP-2014-1). Financing: This project has received funding from the Bio Based Industries Joint Undertaking under the European Union’s Horizon 2020 research and innovation programme under grant agreement No 668128
Ingeniería química
Understanding nitrogen recovery from wastewater with a high nitrogen concentration using microbial electrolysis cells
info:eu-repo/semantics/preprint
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