Deliverables
Various samples were collected by several partners (KEMA, Fibreforce, Hebo, Plasticon), in various (large) forms: production waste (spray over, pultrusion profiles, cut outs from spray up products, SMC overcuts) and end of life waste (a end of life wind turbine blade). The material consists of several resin types (polyester, vinylester) and several reinforcement fibre materials (glass (1,4 - 1,8Euro/kg), Carbon (23 - 90Euro/kg).
The variation in the samples that have been collected is regarded to be sufficient to give insight in the behaviour of different waste products when recycled.
Materials collected:
FRP end of life wind turbine blade at KEMA, FRP from automotive industry (FRP production waste of ECRC)
Plasticon production waste, winding cut-outs, Fibreforce production was pultrusion profiles, ZPT production waste.
ICRI collected polyester/glass samples from ZPT.
ICRI did preliminary laboratory testing on waste products of different physical and chemical characteristics following a analytical procedure which enable us to determine the physical and chemical composition of waste material.
Evaluations have been made about the pollution in the material and amount of waste.
The main barriers to the uptake of recycling are lack of market for waste material and poor industry acceptance.
Economics of alternative recycling routes recycling routes have been calculated. It is aimed at to keep the cost for react below 182 Euro / ton (excluding the substitute materials value).
- Foreseen applications: technical, economical evaluations have been made for several applications for the recyclate (SMC/BMC), in thermoplastics, in pressed sandwich plates, polyester concrete, and cement route.
- Technical specifications: The new shredder, which has to be developed during WP 3 and 4, will be optimised with expertise of the collected production waste and different shredder techniques. The aim will be to achieve matrixfractures in stead of fibre fractures.
- Capacity specifications: The capacity of the shredding machine is maximum 400kg/hour.
- Dust explosion measures: ATEX 137 and ATEX 95 will be taken into account by developing the new shredder machine.
- Technical specifications for separation: Resin and fibres, various fibre length fractions, and metal insert removal.
Further there was looked at various glass content fractions:
- Technical specifications for detection: Adapt the existing electronic nose device for very low levels of VOC (<1ppm).
Develop calibration models in order to detect and differentiate shredded material types, Detect adverse conditions (health & safety, explosion/fire hazard).
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