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Glutaraldehyde Removal from Produced Water Using Photolysis and Photocatalysis

机译：光解和光催化去除生产水中的戊二醛

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摘要

Glutaraldehyde (GA) has been used extensively as a biocide in hydraulic fracturing fluids leading to the contamination of the compound in produced water. In this study, the performances of photolysis and photocatalysis for removal of GA in synthetic produced water were investigated. The photolytic degradation rate of GA increased with increasing incident ultraviolet light intensity and decreasing pH. Increasing initial GA concentration resulted in a reduced rate of GA degradation. At high salt concentrations, similar to the levels found in produced water, the photodegradation rate of GA was better than those at zero/low salt concentrations. In photocatalytic experiments, GA could be degraded efficiently under both simulated visible light and natural sunlight. Photolysis and photocatalysis are promising technologies for removing GA in produced water due to their small footprint, ease of operation, and efficiency. This study helps in addressing an obstacle associated with produced water treatment and disposal.
机译：戊二醛（GA）已广泛用作水力压裂液中的杀生物剂，导致该化合物污染采出水中。在这项研究中，研究了光解和光催化去除合成采出水中GA的性能。 GA的光解降解速率随着入射紫外线强度的增加和pH值的降低而增加。初始GA浓度增加导致GA降解率降低。在高盐浓度下，类似于采出水中的水平，GA的光降解速率要好于零/低盐浓度下的光降解速率。在光催化实验中，在模拟可见光和自然阳光下，GA都可以有效降解。光解和光催化技术因其占地面积小，操作简便和效率高而成为去除采出水中GA的有前途的技术。这项研究有助于解决与采出水处理和处置有关的障碍。

著录项

  • 作者

    Hong, Soklida.;

  • 作者单位

    North Dakota State University.;

  • 授予单位 North Dakota State University.;
  • 学科 Environmental science.
  • 学位 M.S.
  • 年度 2017
  • 页码 100 p.
  • 总页数 100
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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