Disposing of liquid nitrogen requires careful adherence to safety protocols to prevent accidents and environmental harm. Liquid nitrogen should never be disposed of in sinks or drainage systems, as its extreme cold can cause pipes to freeze and potentially burst. The safest disposal method is allowing liquid nitrogen to evaporate in a well-ventilated area where the nitrogen gas can safely disperse into the atmosphere. It is important to ensure that the area is not confined to prevent the accumulation of nitrogen gas, which could lead to oxygen displacement and asphyxiation.
