WASTEWATER TREATMENT DEVICE, WASTEWATER TREATMENT SYSTEM, EXHAUST GAS RECIRCULATION UNIT, ENGINE SYSTEM, AND SHIP

摘要

A wastewater treatment unit (32) according to the present invention is a wastewater treatment unit configured to remove particulate matter from scrubber wastewater containing the particulate matter and includes: a settling separation portion (40) including an inclined surface (48) inclined at a predetermined angle relative to a horizontal direction, the settling separation portion (40) being configured to settle down the particulate matter on the inclined surface (48) to separate the particulate matter from the scrubber wastewater; and a centrifugal separation portion (60) provided downstream of the settling separation portion (40), the centrifugal separation portion (60) being configured to separate the particulate matter from the scrubber wastewater by a centrifugal separation treatment.