RT info:eu-repo/semantics/article
T1 Trimethylamine abatement in algal-bacterial photobioreactors
A1 Pascual, Celia
A1 Akmirza, Ilker
A1 Pérez Fernández, Rebeca
A1 Arnáiz, Esther
A1 Muñoz Torre, Raúl
A1 Lebrero Fernández, Raquel
K1 23 Química
K1 33 Ciencias Tecnológicas
AB Trimethylamine (TMA) is an odorous volatile organic compound emitted by industries. Algal-based biotechnologies have been proven as a feasible alternative for wastewater treatment, although their application to abate polluted air emissions is still scarce. This work comparatively assessed the removal of TMA in a conventional bacterial bubble column bioreactor (BC) and a novel algal-bacterial bubble column photobioreactor (PBC). The PBC exhibited a superior TMA abatement performance compared to the conventional BC. In this sense, the BC reached a removal efficiency (RE) and an elimination capacity (EC) of 78% and 12.1 g TMA m−3 h−1, respectively, while the PBC achieved a RE of 97% and a EC of 16.0 g TMA m−3·h−1 at an empty bed residence time (EBRT) of 2 min and a TMA concentration ~500 mg m−3. The outstanding performance of the PBC allowed to reduce the operating EBRT to 1.5 and 1 min while maintaining high REs of 98 and 94% and ECs of 21.2 and 28.1 g m−3·h−1, respectively. Moreover, the PBC improved the quality of the gas and liquid effluents discharged, showing a net CO2 consumption and decreasing by ~ 30% the total nitrogen concentration in the liquid effluent via biomass assimilation. A high specialization of the bacterial community was observed in the PBC, Mumia and Aquamicrobium sp. being the most abundant genus within the main phyla identified.
PB Springer Nature Publishing AG
SN 0944-1344
YR 2020
FD 2020
LK https://uvadoc.uva.es/handle/10324/47067
UL https://uvadoc.uva.es/handle/10324/47067
LA eng
NO Environmental Science and Pollution Research, 2020, vol. 27, n. 9,  p. 9028–9037
NO Producción Científica
DS UVaDOC
RD 28-nov-2024