Selection of an Inert Gas System for the Transportation of Direct Reduced Iron

Table 1

The gases in the content of inert gas and their characteristics.

Property	Symbol	Ratio
Nitrogen		83%
Carbon dioxide		12–14%
Oxygen		2–4%
Sulfur dioxide		50 ppm
Carbon monoxide		Trace
Nitrogen oxide		Trace
Water vapour		Trace (high if not dried)
Ash and soot	(C)	Traces
Density		1.044