Dynamic simulation improves gas plant SRU control-scheme selection

Simulation of Chevron Canada Resources Ltd.'s Kaybob South No. 3 gas plant's sulfur-recovery unit (SRU) has been successful in steady state using the HYSYS process simulator and a very close match obtained with the SULSIM steady-state simulation of the plant.Dynamic simulation enables operating engineers to perform control-scheme selection, process selection and evaluation, and evaluation of other operating scenarios without unnecessary disruptions to a plant.It was used here for the first time to study a modified Claus sulfur-recovery plant and the effect of three different control schemes on the efficiency of the plant, as indicated by the plant's air-demand analyzer's (...

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