AIM-listed Sirerra Rutile announced has concluded a prefeasibility study (PFS) for its Sembehun dry mine project, in Sierra Leone, intended to extend the life and scope of operations at its fully permitted Sembehun group of deposits. The PFS found that the dry mine was value enhancing and capital efficient.The operation would have the flexibility to operate at either a 500 t/h or 1 000 t/h throughput rate.
