Liquid waste treatment plants

Through the companies in its Group, Acea operates in the liquid waste treatment sector in Tuscany, Lazio, and the Aosta Valley.

Chiusi plant

Region: Tuscany
Acea Ambiente plant in Chiusi provides treatment services for urban and non-hazardous waste as part of its liquid waste recovery and management activities. It operates through a multifunctional platform equipped with chemical-physical and biological processes. The service is provided through a multifunctional platform equipped with chemical-physical and biological processes. In the same plant, the purification of municipal sewage through suspended biomass biological treatment is ensured. The authorized capacity for liquid waste treatment 99,900 tons/year.

In 2023, the Chiusi plant treated approximately 96,300 tons of liquid waste and about 86,900 m³ of urban wastewater.

Industrial Water Treatment Plants

Region: Tuscany
The company carries out industrial water purification and brokerage, it also treats liquid wastes on multi-purpose platforms with chemical-physical action processes. The company conducts research and development activities in relevant fields in collaboration with regional and national research institutions.

As well as treating approximately 25,000 tonnes of liquid waste, in 2023 the company brokered around 30,000 tonnes of other waste and managed around 20 industrial wastewater treatment plants on behalf of third parties.

Berg

Region: Lazio
Berg operates in Frosinone industrial area carrying out brokerage and liquid waste treatment activities on a multi-purpose platform with chemical-physical action processes, suspended biomass biological and concentration action processes with vacuum evaporation section.
In 2023, approximately 131,700 tons of waste were treated.

Iseco

Region: Aosta Valley
Since 1987, ISECO SpA operates in water services and whey-derived milk processing. The company works in Aosta Valley and they are specialised in designing, constructing, and managing ecological-industrial plants that have the character of a public service and include complex technology.
ISECO SpA is the industrial partner for Aosta Valley public entities, and acts as the technical and operational manager of the regional municipal wastewater treatment plants.
The company works in two sectors: 

• the Water sector, that comprises different activities namely: the management, maintenance and construction of sewage treatment plants and sewerage networks activities, as well as the management technical facilities of aqueduct networks and waste transportation and disposal.
• the Dairy sector, that comprises different activities namely: the production of whey powder and the marketing of related products for livestock and food use, process of whey-derived products for third parties and provide maintenance and construction services for technical equipment used in dairies.
  

These activities are performed in Saint Marcel plant and in all wastewater and sewage sludge treatment plants in the regional territory. 

In 2023, over 25 million m3 of urban wastewater were treated, along with approximately 15,000 tons of liquid waste and over 20,000 tons of whey from dairy farms in the Aosta Valley region.

Aquaser

Region: Tuscany
Aquaser works in the waste transport and brokerage sector, ensuring the management of municipal sludge from the treatment plants of the Acea Group companies. The waste is delivered to appropriate treatment plants in accordance with EU and national standards for the most efficient recovery of materials and energy.