Advances in New and Renewable Energy >
Effect of Hydrogen Addition on Biogas Combustion
Received date: 2016-03-14
Revised date: 2016-05-08
Online published: 2016-06-27
To study the effect of hydrogen addition on biogas combustion, experiment and CHEMKIN simulation of the gas mixture combustion were conducted. The experiment shows that the burning velocity of the gas mixture gets higher with the increase of hydrogen addition at a constant equivalence ratio, and the aggrandizement is more obvious with larger equivalence ratio. The simulation shows that the mole fractions of H and OH grow up with the hydrogen addition. The chemical reaction paths of the mixing hydrogen combustion process were analyzed by rate of production (ROP). The results show that H2 affects a lot to the elementary reactions O + H2 = H + OH and OH + H2 = H + H2O. It changes the formation and consumption of H and OH in subsequent reaction, and the H and OH are rapidly accumulated especially in high percentage of hydrogen addition. The rate of premixed combustion was therefore accelerated obviously.
LI Yuan , LI Guo-xiu , LI Hong-meng . Effect of Hydrogen Addition on Biogas Combustion[J]. Advances in New and Renewable Energy, 2016 , 4(3) : 165 -171 . DOI: 10.3969/j.issn.2095-560X.2016.03.001
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