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Abstract

Biomass is preferably first prepared so as to produce the desired size, shape and moisture content. The prepared biomass is introduced along with a gasifying oxidant into a suitable gasification device to produce syngas. A mixture of air and steam may be used as the gasifying oxidant. The syngas is purified to remove particulate matter, ash, aerosols, halogens, sulphur containing compounds and volatile organometallics. The ash produced from the gasifier is collected for later use. The purified syngas is passed through a water gas shift reactor and any carbon monoxide or carbon dioxide are removed from the syngas. The gas is then passed through an ammonia synthesis reactor. The resulting ammonia is then converted into a desired ammonia product. Finally, the ammonia product and the previously removed ash are then mixed to produce a fertilizer.

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First Claim