you will end up with a rather large ( 30-32 troy oz ) chunk of silver flake
the the remaining tailings will be about 50 parts / million and can be
reduced to 3 or lower using a ionic transfer
( steel wool, copper flashing if you do it on your own, or a tickle tank if you buy it )
there isn't much silver rich sludge after that
i will try to find someone in ireland that can refine the silver ... and get back to you ..