New upcycling opportunities for Nordkalk tailings

17.5.2022 12:00 - 17.5.2022 16:00

New upcycling opportunities for Nordkalk tailings
17.5.2022 at 12-16 Valtuustosali meeting room in City Hall of Lappeenranta
Online participation available

12.00 – 12.10 Welcoming words, Johanna Väyrynen, City of Lappeenranta
12.10 – 12.25 Orientation to the theme Annica Lindfors, Nordkalk
12.25 – 12.40 Further development based on the UIR project, Jutta Nuortila-Jokinen, LUT University
12.40 – 13.00 Introduction round of participants
13.00 – 14.45 Searching for ideas and discussion in smaller groups about three topics related with Nordkalk flotation sand with the facilitators Ilkka Räsänen, City of Lappeenranta, Janne Kauppi, Metso Outotec, Anna Vuori, City of Lappeenranta

1. Properties of the geopolymer composite material, facilitator flotation sand productization
• low carbon geopolymers
• leaching, water resistance, fire resistance
• CE marking approvement
What kind of technologies we need to control the characteristics of the flotation sand?
How to get through the challenges appeared in the flotation sand? For example, moisture, heterogeneity.

2. Product ideas suitable for the material
What kind of products could be technically possible, not considering the economics?
What is the needed manufacturing of the products?

3. Customers and end users
• from idea to customer
• building process
• product development
• design
What are the drivers to enhance the market?
How important for the customers is, that the material is recycled. Are there any special needs for the technology?

13.45 - 14.00 Coffee break
15.00 – 15.40 Presenting of 1-3 topics results of discussions, facilitators
15. 40 – 16.00 Project development, financing possibilities, summary and next steps, Ilkka Räsänen, Terhi Jantunen, City of Lappeenranta

Background information: Urban Infra Revolution final publication