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Rosi

Recycling silicon in the photovoltaic industry

August 2019
Gallery Rosi 1
Gallery Rosi 1
01.

Identification

Rosi valorizes the high quality silicon contained in photovoltaic (PV) industrial waste through recycling.

To make photovoltaics a greener source of energy, Rosi brings back silicon considered as waste into the PV production value chain. Recycling silicon through Rosi reduces at least 30% of CO2 emissions, increases production efficiency and reduces the cost of PV modules. Overall, this renders the PV industry into a circular economy. The recycling process includes a purification of silicon kerf, the sludge waste left after cutting a slice of PV silicon from an ingot. This results in high quality silicon (over 99.9%) through an environmentally friendly process. There is also a controlled conditioning of the resulting powder into the appropriate form for the targeted application.

Label Date August 2019
By ROSI
From France
Maturity stage Prototype testing 1:1 in the lab
Looking For Diffusion, awareness

Sectors - Value chain - Application

Sectors
Applications
Design, Power & Produce
Package & Distribute
Use & Efficiency
Valorize & Restore
Value Chain Steps
02.

The environmental benefits

  • Efficiency booster for PV industry.
  • Reduction of PV module cost
  • No acid or base used for the purification.
03.

The Financial benefits

  • Recycled silicon around 50% cheaper without compromising the quality of the raw material.
04.

Activity Region

  • /
  • Headquarters
  • Activity
05.

Company Profile

ROSI

Return of Silicon. Towards a circular economy for the Photovoltaic Industry.

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Headquarters 38000 Grenoble, France
06.

Networking Partner

Cleantech Open France

The Cleantech Open France is looking for the best clean technology ideas from around the country. This is the largest cleantech accelerator program in France and it belongs to the largest international network of cleantech startups, the Cleantech Open founded in California, which has a presence in more than 20 countries worldwide.

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Solutions Associated 30

EIB Institute

The EIB Institute was set up within the EIB Group (European Investment Bank and European Investment Fund) to promote and support social, cultural, and academic initiatives with European stakeholders and the public at large. It is a key pillar of the EIB Group’s community and citizenship engagement.

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Solutions Associated 20
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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances.