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题名: Thermokinetic investigation of effect of temperature on optimum NaCl concentration for petroleum bacterial growth
作者: Nan, ZD;  Tan, ZC
关键词: thermokinetics ;  petroleum bacteria ;  microbial enhanced oil recovery ;  temperature ;  NaCl concentration
刊名: THERMOCHIMICA ACTA
发表日期: 2002-04-08
卷: 386, 期:1, 页:17-22
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical ;  Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The power-time curves of growth of three strains of petroleum bacteria at different NaCl concentrations at 40.0 and 50.0 degreesC have been determined by using a 2277 Thermometric Thermal Activity Analyser. An equation of a power-time curve, ln[alphaP(K)/P(t) - 1] = ln[(alphaK - N-0)/N-0] - alphakt, was established based on the generalized logistic equation, where P(t) is the thermal power at time t, K the carrying capacity, P-K = P0K, P-0 the thermal power of one cell, N-0 the bacterial population at time zero, alpha = (k - D)/k. The method of four observed points with the same time interval was used to calculate the value of P-K. The growth rate constant k and the death rate constant D were calculated. The NaCl concentration of optimum growth rate of petroleum bacteria at 40.0 and 50.0 degreesC, respectively, have been obtained according to the curves k - D versus NaCl concentration, which are 0.26, 0.54 and 0.57 mol l(-1) for B-1, B-2 and B-3, respectively, at 50.0 degreesC, 0.26, 0.55 and 0.56 mol l(-1) for B-1, B-2 and B-3, respectively, at 40.0 degreesC. The results indicated that the effect of temperature on NaCl concentration of optimum growth rate was small. (C) 2002 Elsevier Science B.V. All rights reserved.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000174685800002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/83167
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Acad Sinica, Dalian Inst Chem Phys, Thermochem Lab, Dalian 110623, Peoples R China
2.Qufu Normal Univ, Dept Chem, Qufu 273165, Peoples R China

Recommended Citation:
Nan, ZD,Tan, ZC. Thermokinetic investigation of effect of temperature on optimum NaCl concentration for petroleum bacterial growth[J]. THERMOCHIMICA ACTA,2002,386(1):17-22.
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