ВИКОРИСТАННЯ ПРОДУКТІВ ПІРОЛІЗУ БІОМАСИ В ЯКОСТІ ПАЛИВА ДОПАЛЕННЯ ДЛЯ ВІДНОВЛЕННЯ ОКСИДІВ АЗОТУ: ТЕСТУВАННЯ МЕХАНІЗМУ ХІМІЧНОЇ КІНЕТИКИ
The mechanisms of chemical kinetics of the Reburning process using pyrolysis gases as a reburn fuel are determined. It has been shown that CO, CO2, H2 have very little effect on the reduction of the nitrogen oxides under conditions characteristic for the coal combustion, and hydrocarbons play the ma...
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| Date: | 2020 |
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| Main Authors: | , |
| Format: | Article |
| Language: | Ukrainian |
| Published: |
Institute of Engineering Thermophysics of NAS of Ukraine
2020
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| Online Access: | https://ihe.nas.gov.ua/index.php/journal/article/view/400 |
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| Journal Title: | Thermophysics and Thermal Power Engineering |
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Thermophysics and Thermal Power Engineering| Summary: | The mechanisms of chemical kinetics of the Reburning process using pyrolysis gases as a reburn fuel are determined. It has been shown that CO, CO2, H2 have very little effect on the reduction of the nitrogen oxides under conditions characteristic for the coal combustion, and hydrocarbons play the major contribution to the reduction of the nitrogen oxides. The results of the test calculations showed that the process of the nitrogen oxides reduction by the biomass pyrolysis products can be calculated by a simplified mechanism of the chemical kinetics of the Reburning process by replacing hydrocarbons with one substance (with a close carbon/hydrogen ratio as in the real pyrolysis gas mixture), provided that the mass fraction of carbon is preserved, fed to the reduction of nitrogen oxides unchanged. This approach significantly reduces machine time and calculates the nitrogen oxides reducing efficiency by Reburning technology with an accuracy of 17%. |
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