液态烃洪水对土壤污染的数值模拟

V. Larichkin, O.V. Kurkotova
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引用次数: 0

摘要

由于公司的石油和天然气工厂发生了紧急情况,对自然造成了巨大的破坏,导致土壤退化。因此,主要污染物是液体(石油烃、含盐层水、化学试剂、凿子溶液)。土壤的化学污染对土壤的物理、化学和离子交换性质和生物活性产生负面影响。因此,预测石油污染的可能分布和污染物对自然介质的影响具有重要的价值。活动的目的是研究在不同介质参数下液态烃在不同土壤中的运移和耗散过程。一层液态碳氢化合物在土壤中的渗透过程,泄漏到地面表面,涉及到研究较少的不完全饱和过滤的非线性任务。在活度被认为是真实过程的近似,在“干”地面上碳氢化合物吸收的二维模型是毛细引力,考虑到在空气孔隙中发现。两相过滤系统的微分方程有一类[l]: *
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Numerical simulation of contamination of soils at floods of liquid hydrocarbon
Tlae $reat& damage to a nature, cdling degradation of soils is put by emergencies on firm's oil and gas dbmch. Thus main contaminants are the liquids (petroleum hydrocarbon, salinity layer of water, chemical reagent, chisel soluticms). The chemical contamination of soil negatively infliretlm its physicaI, chemical, and ion exchange of property and biolagical activity. Therefore forecast of possible distribution of contamination by petroleum and the influence of contaminants on a natural medium gains the important value. The purpose of activity was the study of processes of migration and dissipation of liquid hydrocarbon in various grounds at different parameters of a medium. The process of penetration in soil of a layer of liquid hydrocarbon, spill on a surface of ground, concerns to the poorly investigated non-linear tasks of a filtration with incomplete saturation. In activity is considered the approximation to real process the two-dimensional model of an absorption of hydrocarbon in a "dry" ground is capillary gravitational, in view of finding in pores of air. System of differential equations of a two-phase filtration has a kind [l]: *
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