Summary
Having a duration of twelve months, this project was financed within ECOLINKS, an USAID funded program. The implementing organisation is a cement factory from Cimpulung Muscel, Romania, which now belongs to the Holcim Group. The Romanian Partner assisting the American one have undertaken a series of tests using various s mixtures of natural gas and heavy oil to fire the kilns. The results show that the best solution is to burn more natural gas then heavy oil in order to improve the combustion efficiency and reduce the carbon dioxide emissions.
Results
The project team had tested various burning mixtures analyzing the optimum composition in terms of percentage of natural gases and used oils. Burning natural gas instead of oil the fuel consumption can reduce by 8 % the energy consumption, with a reduction in CO2 emissions by 60 to 75Mt per kiln per day.
The major environmental benefits are related to the reduction of gases emissions. Using the improved combustion process the CO2 emission was reduced with more than 25,000 T/year and per kiln.
The tests have shown that lower carbon dioxide emissions are favored by burning more natural gas than heavy oil. More complete calcinations of the feed material in the feed preheat system, is capable of improving the overall process efficiency, and consequently reduce carbon dioxide attributable to fuel combustion
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Energy Efficiency
: Industry
: ManagEnergy
: Natural Gas
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