google how to clean it, its a hit or miss on results depending on how bad your converter is damaged.
e.g. any cat converter that is damaged due to on the of the following is not reworkable.
1 - engine oil poisoning (injun aail kha raha hai)
2 - coolant/water poisoning (blown head gasket)
3 - misifiring cylinder causing raw fuel to enter converter - melts the ceramic and also dislodges the metals
4 - system running too rich (messed up fuel trims)