Science & Technology

In this section of the website researchers and technicians engaged in the project's activities will explain what is needed for the efficiency and sustainability of the Integrated Water Service as a whole.
The "Science & Tecnology" page will be periodically enriched with new fact sheets related to the project's thematic areas: the research and experimentation activities that are being carried out will be explained, presenting the innovative technologies applied and the methods used.

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Thermal treatments of sewage sludge

Posted on June 30, 2020

The legislation governing the sewage sludge produced by wastewater treatment plants is increasingly oriented towards technologies sustainable from an economic, environmental and social point of view. In this context, in the countries of the European Union there has been a trend towards a progressive increase in the fraction of sludge that is subjected to thermal treatments.

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Design and construction of a grate-combustion plant for sludge

Posted on January 21, 2021 New

The design of a thermal treatment plant for non-recyclable waste must allow maximum energy recovery efficiency, while also ensuring full environmental protection and compliance with the regulations on the quality of fumes released into the atmosphere.

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Theoretical modelling of a grate-combustion plant for sludge

Posted on January 21, 2021 New

In order to achieve optimal results, when we experiment a new complex technology such as sludge grate combustion, we cannot ignore a parallel theoretical study that allows the correct modeling of the combustion process that takes place in the plant.

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Thermal treatments of sewage sludge

Posted on June 30, 2020

The legislation governing the sewage sludge produced by wastewater treatment plants is increasingly oriented towards technologies sustainable from an economic, environmental and social point of view. In this context, in the countries of the European Union there has been a trend towards a progressive increase in the fraction of sludge that is subjected to thermal treatments.

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In order to achieve optimal results, when we experiment a new complex technology such as sludge grate combustion, we cannot ignore a parallel theoretical study that allows the correct modeling of the combustion process that takes place in the plant.

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Biogas upgrading to biomethane

Posted on January 17, 2020

Upgrading biogas to biomethane is a very interesting technology to purify biogas to recover methane, which can be used as an alternative to fossil fuel. Biogas is a renewable energy resource that can be generated from the anaerobic digestion of wastewater sludge and from many other industrial and agricultural wastes.

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Biological biogas upgrading to biomethane

Posted on January 17, 2020

Unlike traditional upgrading technologies, that separate CO2 from biogas, the biological conversion of CO2 allows for a significant increase in methane production.

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Chemical biogas upgrading to biomethane

Coming soon

Chemical technologies that can be used to upgrade biogas are well known: the biggest challenge is to demonstrate the economic and environmental sustainability of the processes.

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Biogas upgrading to biomethane

Posted on January 17, 2020

Upgrading biogas to biomethane is a very interesting technology to purify biogas to recover methane, which can be used as an alternative to fossil fuel. Biogas is a renewable energy resource that can be generated from the anaerobic digestion of wastewater sludge and from many other industrial and agricultural wastes.

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Biological biogas upgrading to biomethane

Posted on January 17, 2020

Unlike traditional upgrading technologies, that separate CO2 from biogas, the biological conversion of CO2 allows for a significant increase in methane production.

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Chemical biogas upgrading to biomethane

Coming soon

Chemical technologies that can be used to upgrade biogas are well known: the biggest challenge is to demonstrate the economic and environmental sustainability of the processes.

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Phosphorus recovery

Posted on December 30, 2019

Phosphorus is an essential element of life and is fundamental in agriculture. Being a non-renewable and limited resource, the growing demand for fertilizers is gradually depleting the phosphate rock reserves. Thus, rationalizing the use of this resource and promoting its recovery is an issue of emerging concern.

Phosphorus is an essential element of life and is fundamental in agriculture. Being a non-renewable and limited resource, the growing demand for fertilizers is gradually depleting the phosphate rock reserves. Thus, rationalizing the use of this resource and promoting its recovery is an issue of emerging concern.

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Low enthalpy geothermal energy

Posted on October 4, 2019

Low enthalpy geothermal energy is an interesting alternative to the traditional methods of air conditioning in buildings: it is an alternative for heating / cooling that favors environmental sustainability which is well-suited for urban areas.

Low enthalpy geothermal energy is an interesting alternative to the traditional methods of air conditioning in buildings: it is an alternative for heating / cooling that favors environmental sustainability which is well-suited for urban areas.

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Wastewater disinfection

Posted on August 5, 2019

Wastewater reuse in agriculture is fundamental for the water utilities to move toward a circular economy approach to water as are source. However, reuse in agriculture requires treatments with high efficiency in pathogens concentration abatement.

Wastewater reuse in agriculture is fundamental for the water utilities to move toward a circular economy approach to water as are source. However, reuse in agriculture requires treatments with high efficiency in pathogens concentration abatement.

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Aerosol emissions from wastewater treatment plants

Posted on January 21, 2021 New

A WWTP is supposed to be a source of gaseous and aerosol emissions into air: a study to evaluate and quantify the components of the air emissions deriving from the different compartments of a plant is necessary to select the technological solutions that can minimize them.

A WWTP is supposed to be a source of gaseous and aerosol emissions into air: a study to evaluate and quantify the components of the air emissions deriving from the different compartments of a plant is necessary to select the technological solutions that can minimize them.

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Emerging micropollutants

Posted on July 15, 2019

Emerging contaminants have long been the subject of attention by the scientific community: it is a large group of chemical compounds that are found in very low concentrations in wastewater. They are particularly difficult to treat with existing technologies, however, some possible solutions have already been found out: those solutions now need to be verified in full-scale treatment plants.

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Adsorption on activated carbon

Posted on July 15, 2019

Activated carbon, a technological solution already commonly used in water purification processes that is also promising for removing micropollutants from waste water.

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Oxidation with Ozone

Posted on January 17, 2020

Oxidation with ozone is an innovative chemical process which is spreading throughout wastewater treatment technologies.

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Microalgae and nanoparticles for wastewater treatment

Posted on October 4, 2019

In the last years the focus has been put on the modification of nanomaterials to improve their physico-chemical properties and their efficiency in wastewater treatment.

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Analytical techniques for the measurement of micropollutants

Posted on August 5, 2019

Emerging micropollutants are chemical compounds most often found in extremely low concentrations: to tackle this issues innovative analytical techniques were needed.

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Preliminary bibliographic research and screening at WWTPs

Posted on January 21, 2021 New

Given the large number of compounds that can be classified as emerging micropollutants, in order to study them properly it is essential to carry out a preliminary analysis of the specific territorial area.

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Emerging micropollutants

Posted on July 15, 2019

Emerging contaminants have long been the subject of attention by the scientific community: it is a large group of chemical compounds that are found in very low concentrations in wastewater. They are particularly difficult to treat with existing technologies, however, some possible solutions have already been found out: those solutions now need to be verified in full-scale treatment plants.

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Adsorption on activated carbon

Posted on July 15, 2019

Activated carbon, a technological solution already commonly used in water purification processes that is also promising for removing micropollutants from waste water.

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Oxidation with Ozone

Posted on January 17, 2020

Oxidation with ozone is an innovative chemical process which is spreading throughout wastewater treatment technologies.

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In the last years the focus has been put on the modification of nanomaterials to improve their physico-chemical properties and their efficiency in wastewater treatment.

Solid-Phase-Extraction image missing

Emerging micropollutants are chemical compounds most often found in extremely low concentrations: to tackle this issues innovative analytical techniques were needed.

Screening image missing

Given the large number of compounds that can be classified as emerging micropollutants, in order to study them properly it is essential to carry out a preliminary analysis of the specific territorial area.

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Sludge management sustainability

Posted on June 30, 2020

The sustainability of water and wastewater services sector cannot rely only on the development of innovative technologies to guarantee the long term operativity of the urban public water sector: issues related to the environmental, economic and social aspects should also be carefully considered.

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Relationships with stakeholders

Posted on August 5, 2019

The word "stakeholder" in the last few decades has become commonly used to mean a person or organization that has a legitimate interest in a project or entity. In the decision-making processes of a water utility the regulatory prescriptions and the constraints dictated by the authorities obviously have a fundamental role; however, relations with civil society stakeholders also are of considerable importance.

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Operations & Maintenance

Posted on December 30, 2019

Sludge treatment facilities are characterized by increasing expectation in service, operation and control; therefore the costs for normal operation are usually rather high. Thus, operational expenditures over the whole lifecycle of a treatment plant are a key factor in a cost-effective perspective.

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Regulation & Policies

Posted on June 30, 2020

Water utilities are at the centre of a complex policies system set up by the State with the purpose of reaching general interest goals, such as the efficient allocation of the resource to priority uses, equity in access to water services, or water quality.

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Sludge management sustainability

Posted on June 30, 2020

The sustainability of water and wastewater services sector cannot rely only on the development of innovative technologies to guarantee the long term operativity of the urban public water sector: issues related to the environmental, economic and social aspects should also be carefully considered.

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Relationships with stakeholders

Posted on August 5, 2019

The word "stakeholder" in the last few decades has become commonly used to mean a person or organization that has a legitimate interest in a project or entity. In the decision-making processes of a water utility the regulatory prescriptions and the constraints dictated by the authorities obviously have a fundamental role; however, relations with civil society stakeholders also are of considerable importance.

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Operations & Maintenance

Posted on December 30, 2019

Sludge treatment facilities are characterized by increasing expectation in service, operation and control; therefore the costs for normal operation are usually rather high. Thus, operational expenditures over the whole lifecycle of a treatment plant are a key factor in a cost-effective perspective.

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Regulation & Policies

Posted on June 30, 2020

Water utilities are at the centre of a complex policies system set up by the State with the purpose of reaching general interest goals, such as the efficient allocation of the resource to priority uses, equity in access to water services, or water quality.

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Co-digestion

Posted on July 15, 2019

Anaerobic digestion is a biological process usually applied on the sludge produced in municipal wastewater treatment plants. Co-digestion is a way of managing the process which, if properly exploited, can guarantee better results in biogas production as well as some other overall benefits in waste management.

Anaerobic digestion is a biological process usually applied on the sludge produced in municipal wastewater treatment plants. Co-digestion is a way of managing the process which, if properly exploited, can guarantee better results in biogas production as well as some other overall benefits in waste management.

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Minimization of biological excess sludge through ozonolysis

Posted on July 15, 2019

Biological sewage sludge is the fraction of solid matter contained in the waste water that is removed in wastewater treatment plants through biological purification: since it is waste to be disposed of, it is particularly important to minimize its production

Biological sewage sludge is the fraction of solid matter contained in the waste water that is removed in wastewater treatment plants through biological purification: since it is waste to be disposed of, it is particularly important to minimize its production

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