News from Sulfur Recovery Engineering
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Q4 2017 saw SRE complete a number of interesting projects. For one gas plant in Canada, SRE was involved with determining the source of corrosion with our client’s gas sweetening unit.
Sulfur Recovery Engineering (SRE) clients often ask about Key Performance Indicators for their Sulfur Recovery Units.
It is difficult to identify KPIs for the SRU without compositional analysis and feed stream data. If you think about it, the data that you see from the DCS – flows, temperatures and air demand analyzer (ADA) info – are all directly related to what is actually coming into the SRU.
“The SRU is only as good as what it receives in terms of amine acid gas and SWS acid gas”.
If the temperature rise across a converter is observed to be lessening, this indicates that deactivation is occurring. This phenomena may be accompanied by an increase in the temperature rise in the downstream Converter since it now has to do ‘more work’.
Upon production in the upstream Claus Condensers, liquid sulfur inevitably contains both dissolved H2S and conjugated polysulfides, H2Sx
SRE’s conventional on-site SRU testing work almost always involves sour work.
Process simulation is a model-based representation of a process plant such as a Sulfur Recovery Unit, in software.
SRE’s Inshan Mohammed presented a paper at SOGAT 2017 that focused on three SRUs failing to meet expected overall recovery efficiencies due to:
The typical lifecycle of a new unit is to go from design basis to simulations and data sheets and then from construction and commissioning to startup