| 厌氧消化中甲烷产量及沼气中甲烷含量的理论探讨 |
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| 引用本文： | 赵剑强 朱浚黄. 厌氧消化中甲烷产量及沼气中甲烷含量的理论探讨[J]. 中国沼气, 1993, 11(4): 16-20 |
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| 作者姓名： | 赵剑强 朱浚黄 |
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| 作者单位： | 西安公路学院环境工程研究所，西安公路学院环境工程研究所 |
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| 摘 要： | 本文对厌氧消化中实测甲烷产量及沼气中甲烷含量两个问题从理论角度作了分析探讨。给出了甲烷的氧当量或理论ＣＯＤ值计算理论甲烷产量的方法；并给出了考虑合成因素时ＣＯＤ去除量与甲烷产量的关系式；举例分析了甲烷在水中的溶解度对不同的ＣＯＤ浓度的废水甲烷产量的影响。对实测沼气中甲烷含量与理论计算结果不符的现象分别从ＣＯ２和ＣＨ４在水中的溶解度及ＣＯＤ去除率等方面举例进行了分析探讨，旨在对厌氧消化过程中的一些现
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| 关 键 词： | 甲烷 产量 沼气 废水 厌氧消化 |
Thoretical Studics Of the Methane Yield and the Methane Content of Biogas in Anaerobic Digestion |
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| Zhao Jianqiang Zhu Junhuang. Thoretical Studics Of the Methane Yield and the Methane Content of Biogas in Anaerobic Digestion[J]. China Biogas, 1993, 11(4): 16-20 |
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| Authors: | Zhao Jianqiang Zhu Junhuang |
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| Abstract: | The actual methane yield and methane content of biogas in anaerobic digestion were analysed and studied in this paper. The calculating methods of therotical methane yield based on the oxygen equivalent or the theortical COD number were showed. The relation of removal amount of COD vs. methane yield was showed taking into account the factor of cell synthetise. Several example were analysed to show the effects of the methane solubility on the actual methane yield in different COD concentration wastwater. Concerning the phenomenon that the actual methane content of biogas is not equal to that of the caculated value, several examples were analysed and probed into respectively from the point of CO_2 solubility, CH_4 solubility and COD removal rate, in order to give a reasonable answer theortically to the phenomena in anaerobic digestion processes. |
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| Keywords: | anaerobic digestion methane yield methane content of bilogas solubility COD removal rate |
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