Phenol Oxidation by Combined Cavitation Water Jet and Hydrogen Peroxide
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Phenol Oxidation by Combined Cavitation Water Jet and Hydrogen Peroxide
Phenol Oxidation by Combined Cavitation Water Jet and Hydrogen Peroxide
中国化学工程学报(英文版)2012年20卷第4期 页码:760-767
Affiliations:
1. State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University,Chongqing,China,400044
2. State and Local Joint Engineering Laboratory of Methane Drainage in Complex Coal Gas Seam, Chongqing Uni-versity,Chongqing,China,400044
3. College of Safety Science and Technology, Henan Polytechnic University,Jiaozuo,China,454000
Author bio:
Funds:
Supported by the National Natural Science Foundation of China (50921063,51104191);the Natural Science Foundationof Chongqing (2009BA6047)
DOI:
中图分类号:
纸质出版:2012
Accepted:
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卢义玉, 刘勇, 夏彬伟, 等. Phenol Oxidation by Combined Cavitation Water Jet and Hydrogen Peroxide[J]. 中国化学工程学报(英文版), 2012,20(4):760-767.
LU Yiyu, LIU Yong, XIA Binwei, ZUO Weiqin. Phenol Oxidation by Combined Cavitation Water Jet and Hydrogen Peroxide[J]. Chin.J.Chem.Eng., 2012, 20(4): 760-767.
卢义玉, 刘勇, 夏彬伟, 等. Phenol Oxidation by Combined Cavitation Water Jet and Hydrogen Peroxide[J]. 中国化学工程学报(英文版), 2012,20(4):760-767.DOI:
LU Yiyu, LIU Yong, XIA Binwei, ZUO Weiqin. Phenol Oxidation by Combined Cavitation Water Jet and Hydrogen Peroxide[J]. Chin.J.Chem.Eng., 2012, 20(4): 760-767.DOI:
Phenol Oxidation by Combined Cavitation Water Jet and Hydrogen Peroxide
The paper presents results of phenol oxidized under the conditions of high temperature created during collapse of cavitation bubbles.The degradation efficiency has been greatly improved by using cavitation water jets combined with H
2
O
2
as demonstrated in laboratory tests.Various factors affecting phenol removal ratio were examined and the degradation mechanism was revealed by high performance liquid chromatography(HPLC).The results showed that 99.85% of phenol was mineralized when phenol concentration was 100 mg·L
-1
with pH value of 3.0
H
2
O
2
concentration of 300 mg·L
-1
confining pressure of 0.5 MPa
and pumping pressure of 20 MPa.The intermediate products after phenol oxidation were composed of catechol
hydroquinone and p-benzoquinone.Finally
phenol was degraded into maleic acid and acetic acid.Furthermore
a dynamic model of phenol oxidation via cavitation water jets combined with H
2
O
2
has been developed.
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