| 摘要 |
<p>S P E C I F I C A T I O N Improvements in Desulfurizing Fossil Fuels Hydrated alkali metal sulfides used to remove sulfur from fossil fuels to form alkali metal polysulfides which are recycled to alkali metal sulfides and elemental sulfur by thermal or thermal reduced pressure decomposition of the alkali metal polysulfides or by conversion of the hydrolysis products entirely by H2S.</p> |
