I know HYSYS and VMG Sim don't model water chemistry effects like this is there a way I can fudge this pH effect eg by entering a lower efficiency for the trays or somesuch? I have a senior water chemist supporting this project. Are process simulators a good tool to determine the approximate gas flowrate? Or is it more efficient and more accurate to get this information from vendors?Īlso we know that the effectiveness of the stripping is strongly affected by pH, we will likely be operating at around pH 6 (ie above the optimal pH of 5 or thereabouts for gas stripping for H2S removal). How good a tool are process simulators like VMG Sim and HYSYS at modelling this process? We are only doing high level design at this stage, and the main information I need from the simulation is gas flowrate into the column and size of column. (My company moved away from using HYSYS due to the high cost and insufficient oil industry work in recent years we only have VMG Sim now.) I've been asked to model a sour water stripper that will use natural gas to strip H2S from sour water, using VMG Sim/Symmetry process modelling software.
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