氧化亚铁硫杆菌生长动力学参数

被引:17
作者
闵小波
柴立元
钟海云
张传福
机构
[1] 中南工业大学冶金科学与工程系!长沙
关键词
氧化亚铁硫杆菌; 生长响应模型; 动力学参数;
D O I
10.19476/j.ysxb.1004.0609.2000.03.031
中图分类号
Q935 [微生物生理学];
学科分类号
071005 ; 100705 ;
摘要
基于Monod方程 ,推导并建立了氧化亚铁硫杆菌TD 10在含亚铁培养基中的生长响应模型。研究了以亚铁离子的氧化来表征氧化亚铁硫杆菌的生长过程 ;利用该模型 ,通过计算机拟合 ,确定了模型中细菌生长动力学参数 ,并用该模型预示了最大比生长速率 μm,营养物饱和常数K及细菌的初始浓度与得率系数的比值 ρ0b/Y变化时对细菌生长的影响。考察了不同二价铁离子初始浓度、温度和接种量时亚铁离子浓度的变化 ,从而确定了各实验条件下的 μm,K及ρ0b/Y值。
引用
收藏
页码:440 / 443
页数:4
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