Duty: To measure the concentration of total sulphur in a process gas stream.
The metered process gas is mixed with a continuous flowing stream of hydrogen. The mixed gases are heated together in a conversion furnace at 850°C, where all the sulphur compounds are converted to H₂S. A catalyst is used to aid conversion in some applications (optional). The resulting H₂S is measured using interference free ASTM approved colorimetric techniques.
The analyser is equipped with an automatic regeneration system to remove any build-up of carbon in the furnace tube.
The local LCD display provides the current H₂S / total S readings, alarms if any and failure indicators.
With its wide-ranging ability to measure total sulphur in gases from % levels down to ppb levels, the TG400 range of Total Sulphur process analysers can be utilised in many process industries, including:
• Ethylene/Propylene plants • Reformer recycle gas • Offshore gas production • Fuel gas monitoring • Catalyst protection • Sour gas treatment plants