thermal treatment

1) Heating and cooling a metal or alloy to obtain desired properties or conditions. 2) Treatment of hazardous waste in a device which uses elevated temperatures as the primary means to change the chemical, physical, or biological character or composition of the hazardous waste. Examples of thermal treatment processes are incineration, molten salt, pyrolysis, calcination, wet air oxidation, and microwave discharge. (Source: MGH / LEE)