温度与羟基自由基与4-氯苯甲酸反应表观速率常数的线性关系

IF 2.1 4区环境科学与生态学 Q3 ENGINEERING, ENVIRONMENTAL

Ozone: Science & Engineering Pub Date : 2022-01-26 DOI:10.1080/01919512.2021.2006561

Kohei Kawaguchi, Taira Hidaka, Fumitake Nishimura

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引用次数: 0

摘要

摘要4-氯苯甲酸(p-CBA)是臭氧化和高级氧化过程中常用的羟基自由基(HO·)探测物质。然而，HO·与p-CBA反应的温度依赖性尚不清楚。在这种情况下，我们确定了温度(，K)与HO·与p- CBA (， M−1 s−1)的表观二级反应速率常数之间的关系:在1.0 ~ 40.0℃范围内，以2-甲基丙烷-2-醇(叔丁醇)为参比物，采用一种新的竞争性方法测定。线性回归方程比指数回归方程更适合表达这种关系。更一般地说，我们的模拟表明，线性回归方程比指数回归方程更准确地表达温度与HO表观反应速率常数之间的关系。

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Linear Relationship between Temperature and the Apparent Reaction Rate Constant of Hydroxyl Radical with 4-chlorobenzoic Acid

ABSTRACT 4-Chlorobenzoic acid (p-CBA) is frequently used as a hydroxyl radical (HO·) probe substance in studies of ozonation and advanced oxidation processes. However, the temperature dependence of the reaction between HO· and p-CBA remains unclear. In this context, we identified the relationship between temperature ( , K) and the apparent second-order reaction rate constant of HO· with p- CBA ( , M−1 s−1): . They were measured by a novel competitive method using 2-methylpropan-2-ol (tert-butyl alcohol) as a reference substance in the range of 1.0–40.0℃. The linear regression equation was more appropriate than the exponential regression equation to express this relationship. More generally, our simulation shows that the linear regression equation can be more accurate than the exponential regression equation to express the relationship between temperature and apparent reaction rate constants of HO.

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来源期刊

Ozone: Science & Engineering 环境科学-工程：环境

CiteScore

5.90

自引率

11.10%

发文量

审稿时长

2 months

期刊介绍： The only journal in the world that focuses on the technologies of ozone and related oxidation technologies, Ozone: Science and Engineering brings you quality original research, review papers, research notes, and case histories in each issue. Get the most up-to date results of basic, applied, and engineered research including: -Ozone generation and contacting- Treatment of drinking water- Analysis of ozone in gases and liquids- Treatment of wastewater and hazardous waste- Advanced oxidation processes- Treatment of emerging contaminants- Agri-Food applications- Process control of ozone systems- New applications for ozone (e.g. laundry applications, semiconductor applications)- Chemical synthesis. All submitted manuscripts are subject to initial appraisal by the Editor, and, if found suitable for further consideration, to peer review by independent, anonymous expert referees.