Sulphur analysis

Desulphurization of natural gas is an important treatment to make the gas suitable for transportation through pipeline networks. Depending on the source of the gas, the sulphur content can vary from hardly any to very sour, with concentrations of up to 5% or more. High amounts of sulphur can be problematic because of the corrosive properties of, for example, H2S in the presence of water.
In addition, there is the human safety perspective. Gas containing high levels of H2S is unacceptable because it would be lethal if breathed in. To guarantee pipeline integrity and protection of gas turbines, there is a specified limit value for the maximum allowable concentration of sulphur in natural gas. Sulphur can be present in several molecular forms, of which H2S is the most damaging form. Elster offers a cost effective solution to measure H2S and/or other components containing sulphur with the EnCal 3000 gas chromatograph.