Integrated urban bio-waste biorefinery. Integrated treatment of solid waste and wastewater of urban origin is an effective approach to achieve critical treatment capacity and to optimize energy and materials recovery
Organized by the Universities of Verona, Venezia "Ca Foscari", Rome "La Sapienza" and Bologna "Alma Mater", in cooperation with CTS
The strong EU commitment towards full implementation of an European Circular Economy and Bioeconomy can represent a driving force to extend the energy and mass recovery from organic wastes which cannot be directly or easily driven to a specific recycling option (e.g. the organic fraction from municipal solid waste). The synergy coming from the integration between the treatment of civil wastewater along with municipal organic wastes is a strong opportunity by which these concepts can be practically implemented. As a typical example, the organic fraction of solid municipal waste can be used to increase biogas yield from existing anaerobic digestors at wastewater treatment plant (often underloaded if fed with excess sludge only). Furthermore, a previous step of acidogenic fermentation can assist nutrient recovery in the wastewater line. In a more advanced emerging approach, both acidogenic fermentation and biogas can be the feedstock for obtaining bio-based products, such as bioplastics. Of course, this approach requires to address not only technical and economic aspects but also environmental one as well human safety, sustainability, and legislation. Process operational standards have to be defined as well as decisional support tools, LCA, and End of Waste criteria. Finally, considering that driving forces and constraints are highly depending on local conditions a key-role has to be plaied by municipalities, local authorities and management consortia, i.e. the subjects in charge for leading the developed ideas into concrete realizations.The aim of this workshop is evaluate present experiences and novel trends to develop an integrated management of civil wastewater the organic fraction of municipal solid waste (not excluding other organic wastes), in order to maximize the recovery of renewable energy and bio-based materials, while also minimizing the impact of residual streams. Several invited lectures are planned starting from pivotal full-scale Italian experiences; then some examples of brand new concepts and approaches are presented from ongoing national and international projects (FP7 and H2020).
Chairpersons: to be defined
14.00-14.15 "Sinergies by the integrated treatment of municipal organic waste and urban wastewater" F. Cecchi (University of Verona)
14.15-14.30 "Turning waste into sustainable end-products: the WISE project (PRIN MIUR 2012)" M. Majone (Sapienza University or Rome).
14.30-14.45 "Optimal control of two-phase anaerobic digestion to produce biohythane and volatile fatty acids, towards biopolymer production" P. Pavan (University "Ca Foscari" of Venice)
14.45-15.00 "Optimal management and resource recovery from wastewater tretament sludge: the ROUTES FP7 project" Giuseppe Mininni (CNR-IRSA)
15.00-15.15 Questions and discussion
15.15-15.30 " SCENA and SHEPPHAR technologies for via-nitrite nutrient management and PHA recovery" F. Fatone (University of Verone)
15.30-15.45 "Optimizing nutrient recovery from organic waste management" D. Bolzonella (University di Verone)
15.45-16.00 "Perspectives of novel bio-based processes from the "Carboxylate Platform" L. Bertin and G. Zanaroli (University "Alma Mater" of Bologna)
16.00-16.15 "Occupational safety issues in the biowaste biorefinery" Bianca Maria Pietrangeli (INAIL-Ricerca)
16.15-16.30 Questions and discussion
16.30-17.15 Round Table "Lesson learning from full-scale experience and perspectives of emerging technologies", speakers to be defined.
17.15-17.30 Final discussion
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