EVALUATION OF THE EFFICIENCY OF ELECTRO-HYDRAULIC DISINFECTION LIQUID ON DIFFERENT MODES OF PROCESSING

Q3 Environmental Science

Water and Ecology Pub Date : 2019-01-01 DOI:10.23968/2305-3488.2019.24.3.9-15

V. N. Dobromirov, D. Avramov, N. Martynov, Valery Gordienko, St. Petersburg Russia «Npf «Electrohidrodinamica»

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Abstract

Introduction. Due to significant water consumption to maintain business activities, there is concern about an issue of disinfecting water discharged to water bodies and supplied to a circulating water system after being used for process needs. Modern researchers focus not only on traditional disinfection methods but on the development of innovative technologies as well. Such technologies include a technology of water treatment using an electric field. Methods. The paper addresses liquid disinfection with the use of high-voltage electric pulses. A mock-up installation for liquid disinfection based on the use of the electro-hydraulic effect is described. The paper presents a technique and results of experimental researches conducted to determine a dependence between the liquid disinfection rate and electrical energy applied using the example of aqueous yeast solution treatment. Results. It has been established that the dependence is not linear (as it was assumed earlier) but exponential. Therefore, it is impossible to ensure the total elimination of fungal bacteria in any mode of treatment. Over time, the remaining living microorganisms recover the population, reducing the bactericidal properties of the treated liquid. Conclusion. As a result of the study, a treatment mode with the least negative consequences of this phenomenon at the maximum disinfection efficiency is determined. Parameters of aqueous yeast solution treatment with the use of high-voltage electric pulses, which ensure achievement of such effect, are described.

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电液消毒液在不同处理方式下的效能评价

介绍。由于维持业务活动需要大量的水，因此需要关注排入水体并在用于工艺需要后供应给循环水系统的消毒水问题。现代研究人员不仅关注传统的消毒方法，而且也关注创新技术的发展。这些技术包括使用电场的水处理技术。方法。本文讨论了使用高压电脉冲进行液体消毒的方法。介绍了一种基于电液效应的液体消毒装置样机。本文以酵母水溶液处理为例，介绍了一种确定液体消毒率与电能之间关系的实验研究方法和结果。结果。已经确定的是，相关性不是线性的(就像之前假设的那样)，而是指数的。因此，在任何治疗模式下都不可能保证完全消除真菌细菌。随着时间的推移，剩余的活微生物恢复种群，降低了处理过的液体的杀菌性能。结论。根据研究结果，确定了在最大消毒效率下对该现象产生最小负面影响的处理模式。介绍了高压电脉冲处理酵母水溶液的参数，保证了处理效果的实现。

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来源期刊

Water and Ecology Environmental Science-Ecology

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期刊介绍： The scientific and technical journal for experts in the sphere of water supply, water disposal, waste-water treatment and ecology. Published since 1999. Regular columns include communal and industrial water supply; water preparation; treatment of domestic and industrial waste; equipment; materials; use; maintenance. The journal’s main goal is to provide a wide range of professionals with the information about the latest innovative developments and tendencies. The journal deals with issues on water supply, water disposal, waste-water treatment and ecology.