{
    "type": "immersiveengineering:blast_furnace",
    "input": {
        "tag": "forge:crushed_ore/acanthite"
    },
    "result": {
        "item": "tfc:metal/ingot/silver"
    },
    "slag": {
        "item": "immersiveengineering:slag"
    },
    "time": 900
}