| Issue |
E3S Web Conf.
Volume 167, 2020
2020 11th International Conference on Environmental Science and Development (ICESD 2020)
|
|
|---|---|---|
| Article Number | 01005 | |
| Number of page(s) | 4 | |
| Section | Wastewater Treatment | |
| DOI | https://doi.org/10.1051/e3sconf/202016701005 | |
| Published online | 24 April 2020 | |
Treatment of hydraulic fracturing flowback fluid by Fe0-persulfate (PS) process
State Key Laboratory of Hydraulics and Mountain River Engineering, College of Architecture and Environment, Sichuan University, Chengdu 610065, China
* Corresponding author: 13008197875@163.com
Treating hydraulic fracturing flowback fluid has been receive much attention due to its high total dissolved solid and organic matter. In this study, to remove pollutants in the influent and reduce chemical oxygen demand (COD), the process of persulfate (PS) activated by Fe0 was applied in the treatment of hydraulic fracturing flowback fluid. At the optimal parameters of experimental condition (Fe0=8 g/L, PS = 12 mmol/L, pH=7.7, temperature=25°, reaction time=5 min), 93.6% COD (111.6 mg/L) was removed. Therefore, the Fe0-PS process could be proposed as a promising treatment technology for the removal of toxic and refractory hydraulic fracturing flowback fluid wastewater.
© The Authors, published by EDP Sciences, 2020
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