That's my understanding as well Ernie. The scientists I've been speaking with on the issue are confident in a few process concepts and just need some R&D budget to work with the concepts to see which is the most efficient and economic in producing the Li-7. The facility being engaged to do this work is in the US.
With the potential benefits of the technology, I don't see why someone wouldn't take serious interest in advancing that effort despite the hurdles you've outlined above... they all seem relatively surmountable given the prize at the end of the road, no?
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