The differences between complete combustion and incomplete combustion are-
i) Complete Combustion
· Complete combustion can be observed in a hydrocarbon fuel such as methane (CH4)
CH4+2O2 à CO2+2H2O
·
The products of combustion are simple CO2 and H2O.
The products of combustion are simple CO2 and H2O.
· In presence of O2 methane completely burns to form CO2 & H2O. Such combustion is called complete combustion.
ii) Incomplete combustion
· Incomplete combustion can be also observed in a hydrocarbon fuel-methane (CH4).
CH4+O2à mostly (CO2+2H2O)+ traces of [CO+
· The products are CO2, H2O, CO emissions of various partially combusted hydrocarbons (HC).
If the temperature of combustion is not high enough or not enough O2 available or if the fuel is not given enough time to burn completely, then the fuel will not be completely oxidised, and some of the carbon will be released as CO, instead of CO2, there will be emissions of various partially combusted HC. Such combustion is called incomplete combustion.
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