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   化学反应动力学参数 在 燃料化工 分类中 的翻译结果: 查询用时:0.617秒
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化学反应动力学参数
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    Using thermal synthesis analyzer experimental research on the combustion characteristic of Huadian oil shale and Heshan coal mixture was studied. The effect of different Ca/S ratio on the combustion characteristic of the mixture was analyzed using the Thermal Gravity (TG) and Differential Thermal Gravity (DTG) curves.
    使用STA409型热综合分析仪进行了桦甸油页岩与高硫合山煤的混烧特性实验研究,得到了油页岩和高硫煤混烧的TG和DTG曲线,分析了不同Ca S对油页岩和高硫煤混烧特性的影响规律,同时运用Freeman Carroll法计算得到了不同Ca S下的油页岩燃烧特性化学反应动力学参数
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    Pyrolysis rate of coal liquefaction residual increases with increasing heating rate.
    此外,还给出了不同升温速率下的神华煤液化残渣热解特性数据和化学反应动力学参数.
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Reaction Kineties of gasification of biomass-char in carbon-dioxide at atmospheric pressure was investigated in a thermobalance reactor using six kinds of biomass-char.From the experimental data, their mean specific gasification rates were determinded. The rate equation dx/dt = k(l-x) is proposed and used to evaluate the apparant activation energy and preexponen-tial factor for gasification reaction of six kinds of biomass-char in carbon-dioxide. Results show that the rate equation proposed is reasonable.

用等温热重法,对六种生物质焦样与二氧化碳的气化反应进行研究。利用热天平进行实验,对所得重量——时间曲线加以分析和处理,从而可得出六种焦样的化学反应动力学参数、反应速率方程式,为生物质能源利用的研究提供了理论依据。

The thermal reaction of coal series kaolinite includes the dehydroxylation of kaolinite and the combustion of coal, which coexist with kaolinite in the mineral The thermal behavior and the TG/DTG spectra of coal series koalinite were provided by using a Temperatureprogrammed Thermogravimetric method in this study Based on these TG/DTG spectra and the FreemanCarroll method, the thermal reaction kinetics parameters were calculated Clearly the reaction atmosphere and the coal content are two very important factors...

The thermal reaction of coal series kaolinite includes the dehydroxylation of kaolinite and the combustion of coal, which coexist with kaolinite in the mineral The thermal behavior and the TG/DTG spectra of coal series koalinite were provided by using a Temperatureprogrammed Thermogravimetric method in this study Based on these TG/DTG spectra and the FreemanCarroll method, the thermal reaction kinetics parameters were calculated Clearly the reaction atmosphere and the coal content are two very important factors that affect obviously the thermal reaction of coal series kaolinite

煤系高岭土的热化学反应包括高岭土的脱羟反应与煤的燃烧反应。利用程序升温热分析法得到几种煤系高岭土样品的TG/DTG谱图,由FreemanCarrol法计算出煤系高岭土热化学反应的动力学参数。分析煤系高岭土的反应动力学参数后得出:反应气氛与煤系高岭土中煤的含量是影响煤系高岭土热化学反应的重要因素。

The effects of ferric/ferrous chloride and ferric oxide on the combustion characteristics of coal are investigated by using thermogravimetry and MSI compact gas analyzer. The experimental results show that iron compounds can intensify coal combustion reactions in the relatively low temperature zone. The prevailing mechanism is that ferric and ferrous chlorides behave like catalysts to change the chemical reaction kinetics for promoting the combustion process. The catalyzing function increases with the content...

The effects of ferric/ferrous chloride and ferric oxide on the combustion characteristics of coal are investigated by using thermogravimetry and MSI compact gas analyzer. The experimental results show that iron compounds can intensify coal combustion reactions in the relatively low temperature zone. The prevailing mechanism is that ferric and ferrous chlorides behave like catalysts to change the chemical reaction kinetics for promoting the combustion process. The catalyzing function increases with the content fraction of ferric and ferrous chlorides in the coal. Ferric oxide in the coal exerts a negligible influence on the coal combustion.

利用热重 差热 热重微分仪实验研究了几种含铁化合物 ,如FeCl3、FeCl2 和Fe2 O3等对煤燃烧特性的影响 .结果表明 ,含铁化合物能够改变煤的燃烧特性 ,不同种类的含铁化合物对煤燃烧特性的影响不同 .FeCl3和FeCl2 能够提高煤燃烧过程低温段的燃烧反应速率 ,其机理是FeCl3和Fe Cl2 起催化剂的作用 ,改变了燃烧过程化学反应的动力学参数 ,从而加快了煤的燃烧速率 .FeCl3和FeCl2 的催化能力随其在煤中含量的增加而增强 .Fe2 O3是比较稳定的组分 ,对煤的燃烧过程影响不大 .

 
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