Technical visit to the trigeneration power plant of Campus Leonardo of Politecnico di Milano – 31st may 2024

Posted on by Lorenzo Rossi

On May 31st, 2024 the students of the course “Power generation systems” (lecturer: prof. Paolo Colbertaldo) of the MSc in Environmental and Land Planning Engineering participated to a visit to the trigeneration power plant of Campus Leonardo of Politecnico di Milano. Dr. Filippo Bovera showed the system and the control room, discussed the system layout and features, with a focus on the energy efficiency advantages of generating electric power, heating, and cooling in a combined manner. The trigeneration plant exploits a modern 2 MWe natural gas-fed internal combustion engines, and it is regulated according to the campus demand, interacting with the electric grid and with the intermittent power supply from solar PV systems, which are progressively installed on many buildings’ rooftop.

   

Technical visit to an agricultural area in Assiano (MI) being reclaimed by hydrocarbons – 13th may 2024

Posted on by Lorenzo Rossi

On the 13th of May 2024, a technical visit was organized for the students of the “Soil Remediation” course of the Master’s Degree in Environmental and Land Planning Engineering. The aim was to experience the reality of a site undergoing remediation and to improve knowledge about remediation technologies.

The site is an agricultural area in Assiano (MI), south-west of Milan, where a spill of hydrocarbons from an underground pipeline occurred in 2015. Rapid emergency actions allowed to remove from groundwater the released diesel and to replace the damaged pipeline. After characterization and site-specific risk assessment, biopiles and phytoremediation were thought as the remediation technology for the more and the less polluted soil, respectively.

Biopile is a biological treatment where soil is excavated and stocked into aerated piles to exploit microorganisms to degrade the pollutants under aerobic conditions. The pilot test performed for the site showed insufficient removal efficiency to reach the remediation target concentration and the need of installations at the site non compatible with the agricultural use of the area. Therefore, this technology was abandoned.

Phytoremediation is based on the use of plants to degrade, extract, stabilize or detoxify pollutants in the soil. In this case, in situ degradation was the purpose, thanks to the co-action of root enzymes and soil bacteria in the rhizosphere. Wooden species develop roots overtime; the older the plant, the longer are the roots and the deeper from ground surface is the treatment. The herbaceous species can be used to treat the surface soil.

A pilot scale test started in 2019 by using poplars as the wooden species, which were thought for most of the site, whereas alfalfa was used as the herbaceous species close to the pipeline where wooden roots might cause damages. From March 2019 to September 2021, in most of the monitoring points a significant decrease in the hydrocarbon concentration was obtained.

Based on the satisfactory results of the test, in 2023 poplars were planted for the remediation of the site, according to a regular grid of about 4 m x 4 m, to ensure complete covering of the area and depth to treat (3 m below ground surface). Nowadays the root system has reached 2/2.5 meters in depth, with a good abatement of pollution concentration. The estimated time to complete the remediation is about five to ten years.

In conclusion, though the long time required to remediate the site with phytoremediation, this technology seems to be a good alternative to biopile, allowing a less invasive action on the soil, being cheaper and providing benefits to the ecosystem, even for the most contaminated soil at the site.

After remediation has been completed, the site will be again devoted to agricultural purposes.

Seventh meeting IAT@WORK – Dec 16th, 12:30 in Aula Gatti, Building 20, DEIB or online

Posted on by renato casagrandi

Dear students in Environmental and Land Planning Engineering

The IAT@WORK meetings give the chance to our students to meet Environmental Engineers who graduated with us at Politecnico di Milano a few years ago and are now working in the field. The goal is that of sharing experience and ask questions about the career.

You are therefore kindly invited to participate to the seventh meeting that will take place

Friday 16 December 2022 from 12.30 to 13.45 in Aula Gatti, Building 20, DEIB (where is it?)

Online on CISCO WEBEX: https://politecnicomilano.webex.com/meet/renato.casagrandi

We will meet three environmental engineers who work abroad, in particular:

  • Eng Paolo Foa (Class of 2009, Head of tbf.ch office, in Lugano, CH)
  • Eng Francesca Recanati (Class of 2013, Engineer at the International Sustainability Standards Board, ifrs.org, Berlin)
  • Eng Laura Rossi (Class of 2021, Project Manager at Explicit.DK in Virum, Denmark)

The moderator is Prof. Giovanni Lonati

Because of COVID, even this time there will not be any lunch together — hopefully next time!

For more information, mail rappresentanti-IAT@polimi.it, webiat@polimi.it

 

 

 

Dear students in Environmental and Land Planning Engineering

The IAT@WORK meetings give the chance to our students to meet Environmental Engineers who graduated with us at Politecnico di Milano a few years ago and are now working in the field. The goal is that of sharing experience and ask questions about the career.

You are therefore kindly invited to participate to the seventh meeting that will take place

Friday 16 December 2022 from 12.30 to 13.45 in Aula Gatti, Building 20, DEIB (where is it?)

Online on CISCO WEBEX: https://politecnicomilano.webex.com/meet/renato.casagrandi

We will meet three environmental engineers who work abroad, in particular:

  • Eng Paolo Foa (Class of 2009, Head of tbf.ch office, in Lugano, CH)
  • Eng Francesca Recanati (Class of 2013, Engineer at the International Sustainability Standards Board, ifrs.org, Berlin)
  • Eng Laura Rossi (Class of 2021, Project Manager at Explicit.DK in Virum, Denmark)

The moderator is Prof. Giovanni Lonati

Because of COVID, even this time there will not be any lunch together — hopefully next time!

For more information, mail rappresentanti-IAT@polimi.it, webiat@polimi.it

 

 

 

Dear students in Environmental and Land Planning Engineering

The IAT@WORK meetings give the chance to our students to meet Environmental Engineers who graduated with us at Politecnico di Milano a few years ago and are now working in the field. The goal is that of sharing experience and ask questions about the career.

You are therefore kindly invited to participate to the seventh meeting that will take place

Friday 16 December 2022 from 12.30 to 13.45 in Aula Gatti, Building 20, DEIB (where is it?)

Online on CISCO WEBEX: https://politecnicomilano.webex.com/meet/renato.casagrandi

We will meet three environmental engineers who work abroad, in particular:

  • Eng Paolo Foa (Class of 2009, Head of tbf.ch office, in Lugano, CH)
  • Eng Francesca Recanati (Class of 2013, Engineer at the International Sustainability Standards Board, ifrs.org, Berlin)
  • Eng Laura Rossi (Class of 2021, Project Manager at Explicit.DK in Virum, Denmark)

The moderator is Prof. Giovanni Lonati

Because of COVID, even this time there will not be any lunch together — hopefully next time!

For more information, mail rappresentanti-IAT@polimi.it, webiat@polimi.it

 

 

 

Dear students in Environmental and Land Planning Engineering

The IAT@WORK meetings give the chance to our students to meet Environmental Engineers who graduated with us at Politecnico di Milano a few years ago and are now working in the field. The goal is that of sharing experience and ask questions about the career.

You are therefore kindly invited to participate to the seventh meeting that will take place

Friday 16 December 2022 from 12.30 to 13.45 in Aula Gatti, Building 20, DEIB (where is it?)

Online on CISCO WEBEX: https://politecnicomilano.webex.com/meet/renato.casagrandi

We will meet three environmental engineers who work abroad, in particular:

  • Eng Paolo Foa (Class of 2009, Head of tbf.ch office, in Lugano, CH)
  • Eng Francesca Recanati (Class of 2013, Engineer at the International Sustainability Standards Board, ifrs.org, Berlin)
  • Eng Laura Rossi (Class of 2021, Project Manager at Explicit.DK in Virum, Denmark)

The moderator is Prof. Giovanni Lonati

Because of COVID, even this time there will not be any lunch together — hopefully next time!

For more information, mail rappresentanti-IAT@polimi.it, webiat@polimi.it

 

 

 

 

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