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Environmental Impacts For Cadmium-Telluride (1 reply)
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Good afternoon. Forgive me as I couldn't find a suitable area to ask several questions regarding Cadmium-Telluride solar panels, with a focus on CdTe specifically.
I am a Citizen Journalist, and I have tried to ask both First Solar (the only major CdTe recycler in the US) and the EPA what components of a CdTe solar panel cannot currently be recycled using current metallurgical recovery modes (911metallurgist's article here is the most detailed so far).
First Solar stonewalled the request, and the EPA gave me a wall of irrelevant bureaucratic text on hazardous waste classification that dodged answering the question, which leads me to believe such panels cannot be fully recycled and there is an attempt to keep such issues under wraps.
I'm aware according to the EU's REACH that Cadmium-Telluride is very toxic to aquatic life, and can be absorbed through the skin. I was hoping members here could help clarify a few questions:
Be aware I have found errors in available online datasheets. For example, PubChem claims it is a 'Substance of Very High Concern' (SVHC), however when contacted, the EU's ECHA reported it was not, and inversely, Carl Roth chemicals reported it wasn't registered under the EU's REACH, but ECHA reported it in-fact, was.
Any additional insights on the impact of Cadmium-Telluride would be greatly appreciated.