1. Another way to improve efficiency is to increase the combustion temperature . 2. Higher combustion temperatures and residence times destroy unwanted constituents such as un-burnt hydrocarbons. 3. Pyrogens with content of magnesium allow reaching very high combustion temperatures . 4. Once carbon forms, the combustion temperature in engines is too low to burn it. 5. The higher combustion temperature of hydrogen produces more NO x than natural gas combustion. 6. Liquid-fuelled engines are often run fuel-rich, which lowers combustion temperatures . 7. Turbine efficiency is strongly correlated with combustion temperature through the completeness of the combustion reaction. 8. The role of combustion temperature in NO x formation has been understood for some time. 9. Combustion temperature influences thermal NO " x " emissions.10. However, these numbers vary, as combustion temperature is an important variable in determining wood ash composition.
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