"A variation of this technology has been proposed, under which the spent pickle liquor would be fully recycled, generating an industry-applicable iron product, highgrade zinc metal that can be returned to the hot-dip zinc galvanising bath, and refreshed acid pickle"
the key word is PROPOSED
they haven't achieved that goal at pilot scale let alone demonstration plant size
APG is building their PROVEN plant!
Where to from here? Invest in APG if this is your thing!
GC
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