Ensure availability and sustainable management of water and sanitation for all
The activities involve the project management of the revamping of the Mariano Comense wastewater treatment plant through the addition of a line for the treatment of sewage sludge and the organic fraction of municipal solid waste (OFSMW), utilizing an anaerobic digestion section.
Location
Mariano Comense (CO)
Data
Type of service:
Works management
Design period:
work in progress
Technical data
Total site surface:
45.000 t/year
Rifiuti in ingresso:
10.000 t/year di OFSMW;
21.000 t/year of dewatered sewage sludge;
5.500 t/year of vegetable fraction from third parties;
15.000 t/year non-hazardous special waste;
35.000 t/year of non-hazardous special waste destined for the existing treatment plant
Produced compost: 8.700 t/year
End of waste:
Biometano: 1.083.997 Nm3/year
Sustainable development objectives | Agenda ONU 2023
Ensure access to affordable, reliable, sustainable and modern energy for all
Promote sustained, inclusive and sustainable economic growth, full and productive employment and decent work for all
Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation
Ensure sustainable consumption and production patterns
Take urgent action to combat climate change and its impacts
The overall construction will include a pre-treatment section where the incoming waste will undergo a pressing phase. The resulting liquor will feed into an anaerobic digestion section, where biogas will be produced and subsequently refined into biomethane. The digestate will be directed to a solid-liquid separation section. The solid fraction will be sent to an aerobic composting section, which includes treatment in bio-cells, a maturation phase, and a subsequent refinement phase aimed at producing compost. The liquid fraction, on the other hand, will be directed to an existing treatment section.
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