Exhaust gas cleaning equipment including a gas scrubber and a scrubber fluid cleaning equipment for cleaning polluted scrubber fluid. The scrubber fluid cleaning equipment includes a centrifugal separator for separating at least a pollutant phase and a cleaned scrubber fluid from said polluted scrubber fluid. The centrifugal separator has a rotor enclosing a separation space with a stack of separating discs, a separator inlet for polluted scrubber fluid extending into said separation space, a first separator outlet for cleaned scrubber fluid extending from said separation space, and a second separator outlet for the pollutant phase extending from said separation space.