V. V. Gudkova, D. A. Razvolyaeva, I. V. Moryakov, A. M. Anpilov
{"title":"Activation of Aqueous Solutions Using a Multi-Spark Ring Discharge with Gas Injection in the Discharge Gap","authors":"V. V. Gudkova, D. A. Razvolyaeva, I. V. Moryakov, A. M. Anpilov","doi":"10.1134/s1063780x23601037","DOIUrl":null,"url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The paper presents the results of studies of the formation of reactive oxygen and nitrogen species in Milli-Q® deionized water (electrical conductivity of ≤0.1 µS/cm) under the influence of a multi-spark pulse discharge with gas injection into the interelectrode space. The discharge is a set of microplasma formations in a multiphase medium, for which the specific energy input is estimated. The influence of injected gases (argon, air) on the formation of a plasma discharge in the interelectrode space and long-lived chemical compounds: hydrogen peroxide, nitrite ions and nitrate ions is analyzed. The variation of the exposure duration to water from 2 to 10 min leads to a change in its chemical composition and electrical conductivity properties, but has virtually no effect on the characteristics and duration of the breakdown stage of the discharge. At the same time, changes in the concentrations of hydrogen peroxide, nitrite ions and nitrate ions are recorded within 1 h after the termination of the plasma exposure. Sputtering of stainless steel electrodes is detected, which is about 1 mg/min and leads in some cases to the formation of an insoluble precipitate. The data obtained allow the optimization of the effect of plasma-activated liquid on plants and planting material.</p>","PeriodicalId":735,"journal":{"name":"Plasma Physics Reports","volume":null,"pages":null},"PeriodicalIF":0.9000,"publicationDate":"2024-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Plasma Physics Reports","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1134/s1063780x23601037","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PHYSICS, FLUIDS & PLASMAS","Score":null,"Total":0}
引用次数: 0
Abstract
The paper presents the results of studies of the formation of reactive oxygen and nitrogen species in Milli-Q® deionized water (electrical conductivity of ≤0.1 µS/cm) under the influence of a multi-spark pulse discharge with gas injection into the interelectrode space. The discharge is a set of microplasma formations in a multiphase medium, for which the specific energy input is estimated. The influence of injected gases (argon, air) on the formation of a plasma discharge in the interelectrode space and long-lived chemical compounds: hydrogen peroxide, nitrite ions and nitrate ions is analyzed. The variation of the exposure duration to water from 2 to 10 min leads to a change in its chemical composition and electrical conductivity properties, but has virtually no effect on the characteristics and duration of the breakdown stage of the discharge. At the same time, changes in the concentrations of hydrogen peroxide, nitrite ions and nitrate ions are recorded within 1 h after the termination of the plasma exposure. Sputtering of stainless steel electrodes is detected, which is about 1 mg/min and leads in some cases to the formation of an insoluble precipitate. The data obtained allow the optimization of the effect of plasma-activated liquid on plants and planting material.
期刊介绍:
Plasma Physics Reports is a peer reviewed journal devoted to plasma physics. The journal covers the following topics: high-temperature plasma physics related to the problem of controlled nuclear fusion based on magnetic and inertial confinement; physics of cosmic plasma, including magnetosphere plasma, sun and stellar plasma, etc.; gas discharge plasma and plasma generated by laser and particle beams. The journal also publishes papers on such related topics as plasma electronics, generation of radiation in plasma, and plasma diagnostics. As well as other original communications, the journal publishes topical reviews and conference proceedings.