The retort can only dry around 300kg of con around 20hrs roughly. Thats nearly a day just to retort thats not including smelting and obviously you dont get 300kg of silver out of the dried con as well.
Systematic28
"As for this silver room 100 kg bottleneck nonsense , well that's just absolute rubbish."
I suggest you go and visit the site and have a look for yourself then.