O2 generation path in Fe2+/H2O2 system

Haiqian Zhao; Xingcun Gao; Zhonghua Wang; Jihui Gao

doi:10.11949/j.issn.0438-1157.20151820

O₂ generation path in Fe²⁺/H₂O₂ system

Haiqian Zhao
, Xingcun Gao
, Zhonghua Wang^*
, Jihui Gao

^*Corresponding author for this work

Daqing Petroleum Institute
School of Energy Science and Engineering, Harbin Institute of Technology

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

It is important to understand the O₂ generation path in Fe²⁺/H₂O₂ system to avoid invalid decomposition of H₂O₂ and to reduce the cost of pollutants degradation technology using Fe²⁺/H₂O₂ system. In this paper, radical scavengers were adopted to investigate the roles of different radicals on the generation of O₂ in Fe²⁺/H₂O₂ system. The results showed that there were few O₂^-• in Fe²⁺/H₂O₂ system, and O₂^-• was not the main reagent to generate O₂. After •OH was captured, the generation rate of HO₂• was still high, however, there was no O₂ generation. This indicated that •OH and HO₂• took part in the reaction to generate O₂ directly. •OH+HO₂=H₂O+O₂ is the main reaction path to generate O₂. Controling H₂O₂ decomposition path towards •OH and restraining the production of HO₂• were the effective ways to increase the utilization rate of H₂O₂.

Original language	English
Pages (from-to)	2625-2630
Number of pages	6
Journal	Huagong Xuebao/CIESC Journal
Volume	67
Issue number	6
DOIs	https://doi.org/10.11949/j.issn.0438-1157.20151820
State	Published - 1 Jun 2016
Externally published	Yes

Keywords

Fe(II)/HO system
Invalid decomposition
O
Radical

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10.11949/j.issn.0438-1157.20151820

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title = "O2 generation path in Fe2+/H2O2 system",

abstract = "It is important to understand the O2 generation path in Fe2+/H2O2 system to avoid invalid decomposition of H2O2 and to reduce the cost of pollutants degradation technology using Fe2+/H2O2 system. In this paper, radical scavengers were adopted to investigate the roles of different radicals on the generation of O2 in Fe2+/H2O2 system. The results showed that there were few O2-• in Fe2+/H2O2 system, and O2-• was not the main reagent to generate O2. After •OH was captured, the generation rate of HO2• was still high, however, there was no O2 generation. This indicated that •OH and HO2• took part in the reaction to generate O2 directly. •OH+HO2=H2O+O2 is the main reaction path to generate O2. Controling H2O2 decomposition path towards •OH and restraining the production of HO2• were the effective ways to increase the utilization rate of H2O2.",

keywords = "Fe(II)/HO system, Invalid decomposition, O, Radical",

author = "Haiqian Zhao and Xingcun Gao and Zhonghua Wang and Jihui Gao",

year = "2016",

month = jun,

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doi = "10.11949/j.issn.0438-1157.20151820",

language = "英语",

volume = "67",

pages = "2625--2630",

journal = "Huagong Xuebao/CIESC Journal",

issn = "0438-1157",

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TY - JOUR

T1 - O2 generation path in Fe2+/H2O2 system

AU - Zhao, Haiqian

AU - Gao, Xingcun

AU - Wang, Zhonghua

AU - Gao, Jihui

PY - 2016/6/1

Y1 - 2016/6/1

N2 - It is important to understand the O2 generation path in Fe2+/H2O2 system to avoid invalid decomposition of H2O2 and to reduce the cost of pollutants degradation technology using Fe2+/H2O2 system. In this paper, radical scavengers were adopted to investigate the roles of different radicals on the generation of O2 in Fe2+/H2O2 system. The results showed that there were few O2-• in Fe2+/H2O2 system, and O2-• was not the main reagent to generate O2. After •OH was captured, the generation rate of HO2• was still high, however, there was no O2 generation. This indicated that •OH and HO2• took part in the reaction to generate O2 directly. •OH+HO2=H2O+O2 is the main reaction path to generate O2. Controling H2O2 decomposition path towards •OH and restraining the production of HO2• were the effective ways to increase the utilization rate of H2O2.

AB - It is important to understand the O2 generation path in Fe2+/H2O2 system to avoid invalid decomposition of H2O2 and to reduce the cost of pollutants degradation technology using Fe2+/H2O2 system. In this paper, radical scavengers were adopted to investigate the roles of different radicals on the generation of O2 in Fe2+/H2O2 system. The results showed that there were few O2-• in Fe2+/H2O2 system, and O2-• was not the main reagent to generate O2. After •OH was captured, the generation rate of HO2• was still high, however, there was no O2 generation. This indicated that •OH and HO2• took part in the reaction to generate O2 directly. •OH+HO2=H2O+O2 is the main reaction path to generate O2. Controling H2O2 decomposition path towards •OH and restraining the production of HO2• were the effective ways to increase the utilization rate of H2O2.

KW - Fe(II)/HO system

KW - Invalid decomposition

KW - O

KW - Radical

UR - https://www.scopus.com/pages/publications/85072545448

U2 - 10.11949/j.issn.0438-1157.20151820

DO - 10.11949/j.issn.0438-1157.20151820

M3 - 文章

AN - SCOPUS:85072545448

SN - 0438-1157

VL - 67

SP - 2625

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JO - Huagong Xuebao/CIESC Journal

JF - Huagong Xuebao/CIESC Journal

IS - 6

ER -

O₂ generation path in Fe²⁺/H₂O₂ system

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Keywords

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