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Methods and apparatus for producing syngas
Published online: Apr 27, 2009
| Geographical region | USA |
|---|---|
| Subject | Syngas production |
| Published date | Apr 9, 2009 |
| Title | Methods and apparatus for producing syngas |
| Patent Application Number | US20090093555 A1 |
| Assignee | Range Fuels Inc, USA |
| Relevance | A method for producing syn gas from carbonaceous material using a catalyst. |
| Type of claims | Publication |
| Overview | This patent discloses a method for converting carbonaceous feedstocks such as cellulosic biomass into synthesis gas, which in turn to produce ethanol using a catalyst. The catalyst comprises ash that includes elements such as iron, calcium, potassium, and aluminum that can be recycled. The advantage of this method includes producing syngas at a greater purity by recycling the ash and with desirable ratios of H2 to CO to facilitate the conversion of syngas into other products such as ethanol. The method comprises, A) devolatilizing a carbon-containing feed material containing ash to form a gas phase and a solid phase in a devolatilization unit using a catalyst, B) passing the gas phase and a portion of the solid phase through a heated reaction vessel to form syngas using a catalyst and C) recovering and recycling the ash from step (A) and (B) which enhances the steam reforming of methane. |
| Related patent documents |
US Patent publications
US4371724 - Ethanol synthesis by homologation of methanol (1983)
Not Listed |
| Patent Document | Full Patent Document [external link] |
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