1 980 000 kg of heavy metals are released to the environment in Europe every year.

From industrial waste waters and waste water plants.

Italy, Germany, France and Spain represent 67% of the releases.

Arsenic, Cadmium Chromium Copper Lead Mercury Nickel and Zinc are the main elements discharged.

Those elements are at the same time invaluable resources and harmful pollutants.


40% are processed through chemical-physical plants: a very old and messy technology, still the industry standard.

Metals are separated through sludge precipitation, which is then sent to landfills.

Sludges still represent 20-35% of initial water volumes. The problem is NOT solved but, moved to the landfills.

Progressive saturation of existing landfills and the stricter rules are pushing up the cost of sludge disposal.

Only 38 % of surface water bodies are in good CHEMICAL STATUS.  

Did you know?

On average, an SME in the galvanic sector releases 7.000m3 water/year and 10% of the dissolved metals leave the company grounds as sludges.

How much metal are you able to recover with the current setup?

How much value is left in your spent baths?

Our Solution

At Circular Materials we have developed and patented a technology to treat wastewaters to precipitate heavy metals.  

Quantitatively, with no production of sludge.  

And we recover 98% of the dissolved metals.  To be fully circular.

The solution is perfectly aligned with the Circular Economy logic: it allows a full recovery of contaminating metals and convert them to secondary raw materials.

It is characterized by remarkable levels of Environmental Sustainability as:

  1. it requires only water and electrical energy as inputs
  2. it doesn’t produce sludges
  3. the treated waters contain very low concentrations of heavy metals

Do you want to know more about our technology?

Book your spot for a free testing of your process waters. We will guide you through the process of selecting the best way to integrate our technology withing your production cycle, to allow you to recover the maximum amount of metal and the maximum volume of water.


Based on Supercritical Water, our technology allows controlling the nucleation and precipitation of metals or metal oxides as fine powders.

We use supercritical water to treat heavily contaminated wastewaters.

And we recover heavy and precious metals otherwise lost to the environment.

At Particular Materials, our sister company, we use the same technology to synthesize high-quality nanomaterials.


  • high extraction rate >98%
  • no sludge
  • reduced treatment costs
  • modular plant
  • easy to manage
  • easy to scale up
  • no CAPEX

About Us

Andrea Siano (51), MSc. in Economics, CEO of Argos SPA (metal surface treatments). Previous experience in several sectors among which machinery, software, PE family office, and mechanics.

Andrea Campiglio (51), Eng. and MSc. in Finance, co-founder. Previous experience as a strategic and financial consultant and entrepreneur.

Marco Bersani (41), Ph.D. in Materials Science and Engineering, co-founder. University of Padova, UC Santa Barbara, CERN, IBM, University College London. Master in Nanotechnologies and Business. Consulting in functional materials and MSW treatment plants.

Marco Sturaro (33), Ph.D. in Material Science and Engineering, CTO. University of Padova, CSIRO Melbourne, former R&D at ARC SRL on nano-based sensors. Expert in nanomaterial integration in industrial processes and products.

Riccardo Momoli (34), MSc. in Materials Science, Sales and Marketing. Formerly Senior Account Manager at Nalco Champion (Oil&Gas), Research Fellowship at INSTM-Italy.