Utility consumption per unit in sulfuric acid alkylation plant
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As the title suggests, please discuss what the specific energy consumption per unit is for the utility systems in our unit’s alkylation plant. This includes the energy consumption per ton of steam, recycled water, electricity, desalted water, as well as acid consumption – all of these values are to be expressed per ton of alkylated oil.
Let’s start with some reference values: steam at 0.8, circulating water at 30, deionized water at 0.5, and acid at 70
The acid consumption is 90 kg per ton of product, which is a bit high; we are working hard to improve this. The main other costs related to production are electricity and heat energy. We don’t have separate metering for electricity, so it’s not possible to determine its exact consumption. The heat energy comes from heat transfer oil, with a coal consumption of approximately 0.15 tons of coal per ton of product
Different devices have different energy consumptions; we have high acid consumption, the electricity usage is around 400 units, and the steam consumption is about 0.8 tons