Abstract
Gasification of carbon-based residues for synthesis gas production is one of the most important strategies for clean energy production and environmental management. Currently, China is the world's largest net oil importer which is a result of China's added refinery capacity. In this article, a simulation model of oil sludge gasification with a combination of air and steam was developed using Aspen Plus software. Effect of dolomite as an active catalyst on gas composition was studied at various operating conditions. Results showed that H2 and CO increased with reaction temperature, while CH4 decreased from 9.1 to 4.71 vol% because of increased steam reforming of CH4. By adding steam to the gasifier, H2 content increased significantly, while CO content showed an opposite trend.
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