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Zero-Order Kinetics Model for the Christensen-Larsen Method for Fugitive Fuel Age Estimates

机译:Christensen-Larsen方法的零阶动力学模型,用于估计逸散燃料年龄

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摘要

Estimating time of a middle distillate fuel release in soil can be performed under certain restricting environmental conditions using the Christensen-Larsen method (CLM). This method is based on the linear correlation between the time since a diesel fuel release and the corresponding value of n-heptadecane to pristane ratio (n-C_(17)/Pr) but requires knowledge of the initial ratio value. The empirical nature of this method does not, however, allow accounting for variance in the initial fuel (n-C_(0_(17)))/(Pr_o) value used by CLM. Based on the zero-order approximation of the Monod model, we have deduced a generalized equation that can be used for estimating release ages of middle distillate fuels with different initial (n-C_(0_(17))/(Pro) values. When combined with other site-specific factors, this equation provides a useful tool for the time of release estimates.
机译:可以使用Christensen-Larsen方法(CLM)在某些限制性环境条件下估算土壤中的中间馏分燃料释放的时间。该方法基于柴油释放以来的时间与正十七烷与rist烷之比的相应值(n-C_(17)/ Pr)之间的线性相关性,但需要了解初始比率值。但是,该方法的经验性质不允许考虑CLM使用的初始燃料(n-C_(0_(17)))/(Pr_o)值的差异。基于Monod模型的零阶近似,我们推导出了一个通用方程,该方程可用于估计具有不同初始(n-C_(0_(17))/(Pro)值的中间馏分燃料的释放年龄。结合其他特定于地点的因素,此等式为估算释放时间提供了有用的工具。

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