February 2007


An online sulfur monitoring system can improve process balance sheets

A Canadian gas processor used this technology to meet environmental regulations

Harris, B., Mackenzie, S., Gas Liquids Engineering Ltd.; Wang, L.-Z., PetroChina

Sulfur emissions from sour gas processing facilities are a serious concern to the environment and personal health. Governments have implemented strict guidelines for monitoring and reporting emissions created by such processing facilities. In Alberta, Canada, the Energy Utilities Board (EUB) requires gas producers to provide a report that clearly indicates how much sulfur is brought into a plant and how much is either converted to elemental sulfur or injected as acid gas. The report is known as the S-30 Sulfur Balance Report. Producers are required to produce a balance from the inlet to outlet on sulfur tonnage with a 10% uncertainty. This is equal to ±5% of the total balance for a mont

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