技术性质紧急情况下土壤污染定位的环境安全方法

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引用次数: 0

摘要

Puporse。开发一种方法来定位与挥发性有毒液体泄漏有关的紧急情况,使用具有可调节固化时间的泡沫。方法。利用空气机械泡沫对泄漏的有毒液体进行表面保温的方法。结果。介绍了一种利用固化时间可调的泡沫来定位与挥发性有毒液体泄漏有关的紧急情况的方法。新的科学成果包括使用胶凝过程,以获得具有特定固化时间的绝缘剂。已经确定,降低有毒液体向气相转变速度的最有效手段是确保液体表面隔离。实验确定了两种凝胶形成体系(NH4Cl + Na2O∙2,5sio2和(NH4)2SO4+ Na2O∙2,5sio2)的凝胶时间。根据得到的数据,在30-60 s的时间间隔内选择凝胶配方的浓度和凝胶催化剂的凝胶时间。结论。开发的系统允许在较低的组件特定消耗下实现长时间的隔离过程。结果表明,在土壤中使用所提出的成分是一种环境安全的过程。
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Environmentally Safe Method of Localization of Soil Pollution in Emergency Situations of Technogenic Nature
Puporse. Development a method for the localization of emergencies associated with the leakage of volatile toxic liquids, by using the foams with adjustable curing time. Methods. Surface insulation method of the spilled toxic liquid by using the air-mechanical foam. Results. The results of the development a method for the localization of emergencies associated with the leakage of volatile toxic liquids, by using the foams with adjustable curing time are presented. The new scientific result consists in the use of gelation processes, to obtain an insulating agent with a specified time of curing. It has been established that the most effective means that reduce the rate of transition of toxic liquids to the gas phase are those that ensure the liquid surface isolation. It is proposed to use foam with the time of cure that can be adjust ed. Experimentally determined gel times for two gel forming systems (NH4Cl + Na2O • 2,5SiO2 and (NH4)2SO4+ Na2O ∙ 2,5SiO2). On the basis of the data obtained, the concentrations of the gel formulation and the gelation catalyst with the gel time were selected in the interval of 30-60 s. Conclusions. The developed systems allow to achieve a long process of isolation at a lower specific consumption of components. It is shown that the use of the proposed components in the soil is an environmentally safe process.
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