Do not use a natural gas space heater or range to heat your home. Imperfect and unsafe natural gas combustion, short on oxygen from too little combustion air or from a chimney problem, will produce co as well as nitrogen oxides nox, organic particulate material, and polynuclear aromatic hydrocarbons pah. Lp or natural gas fired appliance combustion products. Quite often, the flue gas refers to the combustion exhaust gas produced at power plants. Its composition depends on what is being burned, but it will usually consist of mostly nitrogen typically more than twothirds derived.
Combustion, or burning, is a hightemperature exothermic redox chemical reaction between a fuel the reductant and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke. Average of 3 years annual natural gas comsumption health protection air quality bylaw 2010035 daily average emissions kgday emissions calculation tool for natural gas combustion no2 low nox burners w recir. Natural gas in its original state, natural gas contains substances on the states list of substances known to cause cancer and reproductive harm. Ch4 1 cubic foot of methane gas natural gas 3o2 3 cubic feet of oxygen heat 1027 btus of energy produced from the chemical reaction.
Flue gas is the gas exiting to the atmosphere via a flue, which is a pipe or channel for conveying exhaust gases from a fireplace, oven, furnace, boiler or steam generator. Do not start your car, lawn mower, generator or any combustion engine in a closed garage. A complete combustion is a process burning all the carbon c to co 2, all the hydrogen h to h 2 o and all the sulphur s to so 2 with unburned components in the exhaust gas such as c, h 2, co, the combustion process is uncompleted and not stoichiometric. It is mainly used to generate industrial and utility electric power, produce industrial process steam and heat, and heat residential and commercial space. Mmbtu of natural gas while producing 45,000 lbhour of 150psig steam. Combustion doesnt always result in fire, but when it does, a flame is a characteristic indicator of the reaction. Drawing heat energy from the oceans surface to power a ship. From the table, the boiler combustion efficiency is 78. Pdf the most significant operating variables of the natural gas combustion process, those most sensitive to produce economic and environmental impact.
View 01conceptosdecombustionycombustiblesgasnaturalsdgfenercom20. Natural gas consists of a high percentage of methane generally above. Stoichiometric or theoretical combustion is the ideal combustion process where fuel is burned completely. Do not operate a natural gas or propane grill in an enclosed area. Notice the color of the flame on a natural gas appliance.
Natural gas combustion the combustion of natural gas, like the combustion of. Gases combustibles densidad absoluta kgm3 densidad relativa gas natural 0. The combustion gases analysis is at convenient tool to quickly. Stack gas measurements indicate an excess air level of 44. Scribd is the worlds largest social reading and publishing site. Populate the table with past natural gas consumption data. If you smell natural gas, leave the area and call us immediately at 18004272200. Incomplete combustion of natural gas may also release unburned methane ch 4 itself.