Abstract
Vertical type incinerator, which has a characteristic to be operated under the primary air ratio of 0.4 - 0.5, has been applied for various kinds of waste such as municipal solid waste (MSW), industrial waste, hazardous waste, and disaster waste. In this study, we analyzed the gas extracted from the waste layer of MSW accumulated in the existing vertical type incinerator, in order to prove the combustion process inside the incinerator. The result showed that MSW supplied into the furnace was decomposed to CO (carbon monoxide), H_2 (hydrogen) and HC (hydrocarbons).