Sewage Sludge and Municipal Solid Waste Treatment

Customer:
Ufficio del Commissario delegato per l'emergenza rifiuti (PA)
Plant type:
Plant for mechanical biological treatment (MBT) of residual fraction and organic fraction of municipal solid waste (OFMSW) in Bellolampo district in Palermo municipality (PA).
Municipal waste line: bag opener, ferrous material separation, rotary drum, non ferrous material separation, biostabilization of residual fraction in aerated biocells, removal of oversize material like RDF, air treatment with biofilters.
OFMSW line: bag opener, ferrous material separation, disk screen, mixing with garden waste materials, biostabilization in aerated biocells, rotary drum for refining, plastic material removal, aerated maturation.
Properties and throughput:
Annual working capacity MSW: 262.500 t/a
Annual working capacity OFMSW: 21.000 t/a
Hourly working capacity MSW: 2x32 t/h
Hourly working capacity OFMSW: 1x12 t/h

Customer:
Trapani Servizi S.p.A.
Plant type:
Plant for separation dry-humid situated in the existing separation plant in the municipality of Trapani through: shredding, ferrous material separation, sorting drum, biostabilization of the humid fraction of the waste (organic fraction), separated dry fraction collection, refining of stabilized organic fraction with screening and densimetric table, odours captation and treatment through biofiltration
Properties and throughput:
Waste incoming: 39 t/h
Annual treated wastes: 145.000 t/year

Customer:
IREN Ambiente S.p.A. (PC)
Plant type:
System of preselection of urban solid wastes incoming to waste-to-energy plant of Parma (PR) through: hopper, shredding, rotary drum, ferrous material separation, non ferrous material separation, conveyors, fire-fighting system, odours aspiration system, strumentation control and automation of the plant
Properties and throughput:
Annual working capacity of the plant: 120.000 t/a
Hourly working capacity of the preselection system treatment: 46 t/h

Customer:
AMIA S.p.A. (PA)
Plant type:
Plant for selection and recovery of recoverable wastes from separate collection, dry fraction, with automatic preselection and manual recovery of the products.
Plastic and metallic materials line: storage, bag opener, sorting drum, ferrous material separation, non ferrous material separation, plastic manual selection, storage of recoverable materials, baler machine, depolveration system
Paper and cardboard line: storage, disk screen, manual selection, storage of recoverable paper, baler machine
Properties and throughput:
Plastic: 12.320 t/year
Alluminium: 550 t/year
Iron: 1.501 t/year
Paper and packaging: 29.700 t/year

Customer:
Consorzio pubblico per lo sviluppo industriale di Olbia (SS)
Plant type:
Urban solid waste and sludges management plant situated in Olbia (SS) through steps of: shredding, rotary drum, air separation, baling, ferrous materials separation, mixing with sludges and conveying to bioxidation
Properties and throughput:
Incoming waste: 30 t/h

Customer:
Hera S.p.A. (BO)
Plant type:
Thermal circuit of waste-to-energy plant, recovery of energy for the production of electric power and ausiliary systems situated in the waste-to-energy plant of Forlì (FC).
Thermal Circuit, Piping and valves for: demineralized water, cooling water, wastewater, service water, fire-fighting water system; water for boiling feeding system; water for district heeding system; steam, condensate, draining and vent system; compressed air system; natural gas system; wastes receiving and slags conveying; flue pipe; electrical system and automation and control system
Properties and throughput:
Urban Solid Waste incoming: 400 t/day

Customer:
Hera S.p.A. (BO)
Plant type:
Thermal circuit of waste-to-energy plant, recovery of energy for the production of electric power, auxiliary systems and wastes trituration and conveying system for the new linea 4 situated in the waste-to-energy plant of Coriano (RN).
Shredding and conveying system: hopper, shredding, chain conveyors, fire-fighting system, pipe for combustion air, strumentation and control of the plant.
Thermal circuit, Piping and valves for: demineralized water, cooling water, industrial water, fire-fighting water, wastewater system; steam, condensate and draining system; water for boiler feeding system from degasser to steam generator; natural gas system, district heating; compressed air system; flue pipe line 4; chemicals system for boiler and degasser; electrical system and automation and control system
Properties and throughput:
Line 4:
Urban solid waste incoming: 30 t/h
Density: 600-1.000 kg/m³
Size: 2,0 x 1,8 x 0,5 m

Customer:
Multiservizi S.p.A. (AN)
Plant type:
Thermal drying plant working at medium temperature (“belt” type) for the sludges produced by wastewater treatment plants of Multiservizi S.p.A. and situated at the wastewater treatment plant of Jesi (AN)
Properties and throughput:
Annual treated humid sludge flow: 15.000 t/year
Inlet sludge humidity: 25% TSS
Outlet sludge humidity: 90% TSS
Evaporative power: 1.736 kg(H2O)/h
Hourly inlet flow: 2.404 kg/h
Hourly outlet flow: 668 kg/h
Process air temperature: 70-130°C

Customer:
Hera S.p.A. (BO)
Plant type:
Thermal drying of dehydrated sludges through a disk dryer operating with the steam bleeded in low pressure from the turbine located in the thermal circuit of the waste-to-energy plant of Coriano (RN)
Properties and throughput:
Humid sludge treated: 29.000 t/year
Humid sludge to dryer flow: 3.710 kg/h
Inlet sludges humidity: 22-26% TSS
Outlet sludges humidity: 90-93% TSS
Dryer sludge flow: 1.000 kg/h
Dryer evaporative power: 2.700 kg(H2O) ev/h

Customer:
SMAT (Società Metropolitana Acque Torino) S.p.A.
Plant type:
Treatment of the sludges produced in the wastewater treatment plant of Castiglione Torinese (TO) through thermal drying with dryer with blades and diathermal oil like operating fluid
Properties and throughput:
Incoming sludge: 5.000 kg/h
Incoming sludge humidity: 26% TSS
Outcoming sludge: 1.444 kg/h
Outcoming sludge humidity: 90% TSS
Dryer evaporative power: 3.556 kg H2O/h
Annual dried sludge production: 10.500 t/year