The waste wood power boiler uses a wet scrubber to remove ash from the boiler system. The water with unburned carbon, or “char”, and sand with grit is then pumped at a rate of 2300 GPM to the vibratory dewatering screens. The urethane screen panels remove the char and most of the sand and grit from the water. The solids are then removed by conveyor or end loader to the wood yard. The water is sent to the clarifier system for further solids removal. The unburned carbon can be re-injected into the boiler as fuel.