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Università di Roma La Sapienza (UR)

www.uniroma1.it, www.chem.uniroma1.it

Sapienza University of Rome is one of the oldest universities in the world and a high performer among the largest universities in international rankings. Since its founding over 700 years ago, Sapienza has played an important role in Italian history and has been directly involved in key changes and developments in society, economics and politics.

It has contributed to the development of Italian and European science and culture in all areas of knowledge. The University carries out outstanding scientific research in most disciplines, achieving excellent results both on a national and international level.

Department of Chemistry is one of the biggest Departments of “La Sapienza” (around 85 faculty staff). It holds a distinguished history and a tradition of excellence in research and teaching on practically all field of chemistry. In the present project, the research unit of Chemical Engineering will be involved, which also has relevant expertise in industrial biotechnology, and whose expertise will be completed by other colleagues who are experts on polymer science. Over the last years, this range of different expertise has been already combined resulting in highly multidisciplinary research, mainly dealing with anaerobic and/or aerobic biological processes for treatment of wastes and wastewaters and recovery of valuable products from them. In particular, a long experience has been gained on storage of polyhydroxyalkanoates (PHA) by mixed microbial cultures and its exploitation for production of biodegradable polymers from wastes and by-products, including agro-industrial ones (e.g. olive oil mill wastewater).

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SMART-Plant scales-up in real environment eco-innovative and energy-efficient solutions to renovate existing wastewater treatment plants and close the circular value chain by applying low-carbon techniques to recover materials that are otherwise lost.

Seven plus two (7+2) pilot systems were optimized for more than two years in real environment in five municipal water treatment plants, including also two post-processing facilities. The systems were automatized with the aim of optimizing wastewater treatment, resource recovery, energy-efficiency and reduction of greenhouse emissions. A comprehensive SMART portfolio comprising biopolymers, cellulose, fertilizers and intermediates were recovered and processed up to the final commercializable end-products.

Dynamic modeling and superstructure framework for decision support was developed and validated to identify the optimum SMART-Plant system integration options for recovered resources and technologies.

The integration of resource recovery assets to system wide asset management programs were evaluated in each site following the resource recovery paradigm for the wastewater treatment plant of the future, enabled through SMART-Plant solutions. The project proved the feasibility of circular management of urban wastewater and environmental sustainability of the systems, through Life Cycle Assessment and Life Cycle Costing approaches as well as the global benefit of the scaled-up water solutions.

Global market deployment was achieved as right fit solution for water utilities and relevant industrial stakeholders, considering the strategic implications of the resource recovery paradigm in case of both public and private water management. New public-private partnership models were also explored connecting the water sector to the chemical industry and its downstream segments such as the construction and agricultural sector, thus generating new opportunities for funding and potential public-private competition.