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Meng F.,ShenYang Agricultural University | Li X.,Liaoning Institute of Energy and Resources | Wang G.,Liaoning Institute of Energy and Resources | Liu J.,Liaoning Institute of Energy and Resources | Zhang D.,Liaoning Institute of Energy and Resources
Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering | Year: 2011

The producer gases derived from air and oxygen rich biomass gasification were used as the vehicle fuel for testing the running performance and its emission behavior. The results were as following: under the same road condition and for the same vehicle, the kilometers of travel with air gasification producer gas as fuel were one third of that with oxygen rich gasification producer gas as fuel, and the kilometers of travel with oxygen rich gasification producer gas as fuel were one third of that with CNG as fuel; the producer gas composition had little influence on the carbon monoxide emission in the exhaust gas, but the excess air ratio had crucial impact on the carbon monoxide emission; with air gasification producer gas as fuel, the content of the hydrocarbons in the exhaust gas was lower, and it was higher when being with oxygen rich gasification producer gas as fuel, for both fuel gases, the content of the hydrocarbons had the same tendency of increasing along with the increasing of the RPM of the engine; the producer gas composition had definite influence on the NO x emission in the exhaust gas, meanwhile, the temperature was the dominating factor of the thermal NO x emission. The results showed that the biomass gasification producer gas could be a kind of clean and renewable substitute fuel.


Meng F.,ShenYang Agricultural University | Wang G.,Liaoning Institute of Energy and Resources | Li X.,Liaoning Institute of Energy and Resources | Liu J.,Liaoning Institute of Energy and Resources | Zhang D.,Liaoning Institute of Energy and Resources
Taiyangneng Xuebao/Acta Energiae Solaris Sinica | Year: 2013

Straw densification briquetting fuel gasification under oxygen was carried out in a downdraft gasifier. The effects of high equivalence ratio (0.31-0.40) on results of gasification are investigated through a series of experiments, which change equivalence ratio via adjusting the feeding rate of oxygen. With the increasing of equivalence ratio, it is found that reaction temperature, carbon conversion and gas productivity are all increased but low heating value and tar content. The experimental results showed that the way of high equivalence ratio biomss oxygen gasification is feasible and the method of increasing equivalence ratio to raise reaction temperature can reduce the tar content significantly in producer gas.

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