PERSULFATE ACTIVATION VIA NANOSCALE ZERO-VALENT IRON BASED BIOCHAR FOR OXYTETRACYCLINE DEGRADATION

LIAO Xiaoshu; ZHU Chengyu; CHOU Yue; ZHONG Min; ZHOU Bingling; ZHANG Qian

doi:10.13205/j.hjgc.202208016

Volume 40 Issue 8

Nov. 2022

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LIAO Xiaoshu, ZHU Chengyu, CHOU Yue, ZHONG Min, ZHOU Bingling, ZHANG Qian. PERSULFATE ACTIVATION VIA NANOSCALE ZERO-VALENT IRON BASED BIOCHAR FOR OXYTETRACYCLINE DEGRADATION[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(8): 118-124,95. doi: 10.13205/j.hjgc.202208016

Citation:

LIAO Xiaoshu, ZHU Chengyu, CHOU Yue, ZHONG Min, ZHOU Bingling, ZHANG Qian. PERSULFATE ACTIVATION VIA NANOSCALE ZERO-VALENT IRON BASED BIOCHAR FOR OXYTETRACYCLINE DEGRADATION[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(8): 118-124,95. doi: 10.13205/j.hjgc.202208016

Citation:

LIAO Xiaoshu, ZHU Chengyu, CHOU Yue, ZHONG Min, ZHOU Bingling, ZHANG Qian. PERSULFATE ACTIVATION VIA NANOSCALE ZERO-VALENT IRON BASED BIOCHAR FOR OXYTETRACYCLINE DEGRADATION[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(8): 118-124,95. doi: 10.13205/j.hjgc.202208016

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PERSULFATE ACTIVATION VIA NANOSCALE ZERO-VALENT IRON BASED BIOCHAR FOR OXYTETRACYCLINE DEGRADATION

doi: 10.13205/j.hjgc.202208016

1. Wuhan Hanyang Municipal Construction Group Co., Ltd, Wuhan 430000, China;
2. School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China

Received Date: 2021-11-22
Publish Date: 2022-11-08

Abstract

Abstract

In this study, the coupled adsorption-advanced oxidation system was established, based on the nanoscale zero-valent iron-based biochar (nZVI-BC) combined with sodium peroxodisulfate (PDS) or potassium peroxymonosulfate (PMS), and then applied in the investigation of oxytetracycline (OTC) removal. Based on this, the performance of OTC removal with different condition factors, including PDS/PMS concentration, nZVI-BC dosage, OTC concentration and initial pH, was investigated. The generated reactive oxygen species for OTC removal were also explored. The results showed that OTC removal efficiency was more than 80% under the conditions of 0.20 mmol/L PDS/PMS, 0.01 g nZVI-BC, 50 mg/L OTC and an original pH value of 5.0±0.1. In nZVI-BC/PDS system, SO₄^-· played a dominant role in OTC degradation (with a contribution of 57.00%), while SO₄^-·, O₂^-·, and¹O₂ were significant roles in nZVI-BC/PMS.
- nanoscale zero-valent iron,
- biochar,
- sodium peroxodisulfate,
- potassium peroxymonosulfate,
- oxytetracycline,
- advanced oxidation process

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References(28)

References

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