| Title | Wastewater from textile digital printing as a substrate for microalgal growth and valorization |
|---|---|
| ID_Doc | 7565 |
| Authors | Marazzi, F; Fornaroli, R; Clagnan, E; Brusetti, L; Ficara, E; Bellucci, M; Mezzanotte, V |
| Title | Wastewater from textile digital printing as a substrate for microalgal growth and valorization |
| Year | 2023 |
| Published | |
| Abstract | This study aims at evaluating an innovative biotechnological process for the concomitant bioremediation and valorization of wastewater from textile digital printing technology based on a microalgae/bacteria consortium. Nutrient and colour removal were assessed in lab-scale batch and continuous experiments and the produced algae/bacteria biomass was characterized for pigment content and biomethane potential. Microbial community analysis provided insight of the complex community structure responsible for the bioremediation action. Spe-cifically, a community dominated by Scenedesmus spp. and xenobiotic and dye degrading bacteria was naturally selected in continuous photobioreactors. Data confirm the ability of the microalgae/bacteria consortium to grow in textile wastewater while reducing the nutrient content and colour. Improvement strategies were eventually identified to foster biomass growth and process performances. The experimental findings pose the basis of the integration of a microalgal-based process into the textile sector in a circular economy perspective. |
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