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Sun B.,Coking Plant of Taiyuan Iron and Steel Company | Du X.,Shanxi Institute of Coal CAS Chemistry | Zhang R.,Shanxi Institute of Coal CAS Chemistry | Bi J.,Shanxi Institute of Coal CAS Chemistry
Petroleum Processing and Petrochemicals | Year: 2011

Tests for producing hydrogen-rich gas from lignite was carried out in a continuous supercritical water reactor using 20% coal-water slurry as feed and hydrogen peroxide as oxidant. The effect of hydrogen peroxide on the production of hydrogen was investigated. Results showed that the carbon gasification rate, hydrogen yield could be increased, and the tar yield reduced under certain process conditions when using hydrogen peroxide as oxidant. The maximum hydrogen yield and hydrogen volume fraction in gas phase were obtained under the conditions of a reaction temperature of 600 °C , a reaction pressure of 25 MPa and O/C molar ratio of 0. 3.

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