| abstract |
An apparatus and method for treating wastewater sludge are disclosed. The apparatus for treating wastewater sludge according to an embodiment of the present invention includes a sludge storage tank for storing wastewater sludge, a hydrothermal carbonization reactor for hydrothermal carbonization (HTC) of wastewater sludge, a hydrocracking reactor for separating hydrocarbonized wastewater sludge into a solid product and a liquid product A solid-liquid separator, a drying device for drying the separated solid product to produce a solid fuel, an ammonia recovery reactor for recovering the ammonia contained in the separated liquid product, a methane gas producing methane gas by fermenting the recovered ammonia- And a heating apparatus for heating the hydrothermal carbonization reactor using a solid fuel and a methane gas. |