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1.1.1 Mass-Summ/WaterweaUUCommbustion <br />In mass-burn vvatenwaU combustion, MSVV is placed directly into the system for <br />incineration with no pre-processing except for narnova| of identifiable white goods <br />(refrigerators, washing machines, microwave ovens, etc.). Waste is placed onto a <br />grate at the bottom of combustion chamber in a furnace with walls built of water <br />tubes, as shown in Figure B-1. Air for combustion is forced through the grates <br />(under-fire air) and through parts in the sides of the combustion ohannber(overfira <br />Figure B+1. WaterwaUKFurnace Section <br />Half the heat generated from the burning waste is absorbed by the watenwa||s and <br />the balance heats water in the boiler, as shown Figure B-2. <br />I Source: Babcock and Wilcox. <br />GBB/CO8027-01 B-4 August 15,2OO8 <br />