HYDROMETHANATION OF A CARBONACEOUS FEEDSTOCK WITH IMPROVED CARBON UTILIZATION

The present invention relates generally to processes for hydromethanating a carbonaceous feedstock in a hydromethanation reactor to a methane-enriched raw product stream, and more specifically to processing of solid char by-product removed from the hydromethanation reactor to improve the carbon utilization and thermal efficiency of the overall process and thereby lower the net costs of the end-product pipeline quality substitute natural gas. 本发明大体上涉及用于在加氢甲烷化反应器中将碳质原料加氢甲烷化为富含甲烷的粗产品流的方法，更具体地，涉及对从加氢甲烷化反应器中去除的固体焦炭副产品进行处理以改善整体方法的碳利用和热效率，从而降低最终产品管道质量代用天然气的净成本。