In case study 1 PHA will be produced via cyanobacteria as well as anaerobic purple bacteria growth. These organisms will develop in 3 diferent photobioreactors (PBRs) at full scale. Biomass will be harvested in a lamella settler with flocculant dosage and evaluated for PHA content. In addition some of the harvested biomass will be pretreated thermically and undergo anaerobic co-digestion, using agro-industrial wastes as co-substrate. This process will yield biogas which will be upgraded in the own photobioreactors. It will also yield a digestate effluent that will be treated and estabilised in sludge wetlands to produce bio-fertiliser. Leachate from wetlands will be conveyed to nutrient (P/N) recovery columns, based on sol-gel coatings.
Clarified effluent from the settling unit will be disinfected by a solar-driven system based on ultrafiltration. Resulting effluents will be applied for irrigation in a small agricultural surface.
The plant will be installed in the UPC Agrópolis campus, located at the municipality of Viladecans, near Barcelona airport.