| 厌氧消化过程微生物生态系统的建模与生态规律的研究 |
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| 引用本文： | 柯益华,方治华.厌氧消化过程微生物生态系统的建模与生态规律的研究[J].中国沼气,1994,12(2):10-14. |
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| 作者姓名： | 柯益华 方治华 |
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| 作者单位： | 成都科技大学环境生物能源研究室 |
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| 摘 要： | 厌氧消化过程的有效性依赖于微生物种群结构的完整性及其生态关系的平衡性。本文选择水解发酵菌、产氢产乙酸菌和产甲烷菌组成微生物链；提出了全混合式反应器条件下具有二阶生长速率的三菌群系统生态模型；判别了模型的三类平衡点及其稳定性；讨论了各类菌群生长历程、稳定速率及其与系统稀释速率的关系。
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| 关 键 词： | 厌氧消化过程 微生物 生态模型 甲烷 沼气 发酵 |
Modelling and Ecological regularization of Microfloras in the Anaerobic Digestion Processes |
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| Ke yihua, Fang zihua, Sun xuemei.Modelling and Ecological regularization of Microfloras in the Anaerobic Digestion Processes[J].China Biogas,1994,12(2):10-14. |
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| Authors: | Ke yihua Fang zihua Sun xuemei |
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| Abstract: | The efficiency of anaerobic digestion processes comes from a complete structure and anecological balance of the microfloras. In this paper,kydrolytic-fermentative bacteria,H2-producingand acetogenic bacteria and methanogenic bactetia are chosen to form a microbial chain The ecologicalmodels of the three microfloras system with second-order growth rate are proposed under the conditionof fully mixed reactor. Three kinds of equilibriums are found and the stability for each equilibrium is analyzed. The growth courses and stability of the three microfloras, and their relations with diluterate of Systcm are discussed respectlvely. |
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| Keywords: | Anaerobic digestion process Ecological models of the microbes Nonlinearity Equilibrium Stability |
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