Factors Affecting Slurry Oxidation in a Wet Flue Gas Desulfurization Process
被引:5
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作者:
Ma, Shuangchen
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North China Elect Power Univ, Sch Environm Sci & Engn, MOE Key Lab Resources & Environm Syst Optimizat, 689 Yonghua North St, Baoding 071003, Peoples R ChinaNorth China Elect Power Univ, Sch Environm Sci & Engn, MOE Key Lab Resources & Environm Syst Optimizat, 689 Yonghua North St, Baoding 071003, Peoples R China
Ma, Shuangchen
[1
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Xu, Fang
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North China Elect Power Univ, Sch Environm Sci & Engn, MOE Key Lab Resources & Environm Syst Optimizat, 689 Yonghua North St, Baoding 071003, Peoples R ChinaNorth China Elect Power Univ, Sch Environm Sci & Engn, MOE Key Lab Resources & Environm Syst Optimizat, 689 Yonghua North St, Baoding 071003, Peoples R China
Xu, Fang
[1
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Xu, Dongsheng
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机构:
Huadian Qudong Elect Supply Co Ltd, 5 Wuyang St, Xinxiang 453000, Henan, Peoples R ChinaNorth China Elect Power Univ, Sch Environm Sci & Engn, MOE Key Lab Resources & Environm Syst Optimizat, 689 Yonghua North St, Baoding 071003, Peoples R China
Xu, Dongsheng
[2
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Li, Defeng
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Huadian Qudong Elect Supply Co Ltd, 5 Wuyang St, Xinxiang 453000, Henan, Peoples R ChinaNorth China Elect Power Univ, Sch Environm Sci & Engn, MOE Key Lab Resources & Environm Syst Optimizat, 689 Yonghua North St, Baoding 071003, Peoples R China
Li, Defeng
[2
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Yu, Yanfei
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North China Elect Power Univ, Sch Environm Sci & Engn, MOE Key Lab Resources & Environm Syst Optimizat, 689 Yonghua North St, Baoding 071003, Peoples R ChinaNorth China Elect Power Univ, Sch Environm Sci & Engn, MOE Key Lab Resources & Environm Syst Optimizat, 689 Yonghua North St, Baoding 071003, Peoples R China
Yu, Yanfei
[1
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机构:
[1] North China Elect Power Univ, Sch Environm Sci & Engn, MOE Key Lab Resources & Environm Syst Optimizat, 689 Yonghua North St, Baoding 071003, Peoples R China
[2] Huadian Qudong Elect Supply Co Ltd, 5 Wuyang St, Xinxiang 453000, Henan, Peoples R China
At present, wet flue gas desulfurization (FGD) systems offer insufficient control of the oxidation process. This study proposes to optimize the oxidation process of desulfurization slurry by an oxidation reduction potential (ORP) control strategy. By designing a L16(45) orthogonal test, the effects of temperature, concentration, rotation speed, air flow rate, and pH on ORP were investigated at different oxidation stages of CaSO3. Based on the analysis of variance, the order of contribution of different influencing factors at the specific oxidation stage was obtained. The influence degree of specific influencing factors on ORP was different, and the trend is explained for each different oxidation stage as well. The results indicate that only the temperature plays a significant role in the change of ORP during the whole oxidation process, which clarifies that the temperature affects the oxidation process of CaSO3 by affecting the dissolution of O2 and CaCO3 and the transformation of S(IV) to S(VI). The results also provide theoretical guidance for precise oxidation control of the FGD slurry system.
机构:
E China Univ Sci & Technol, Coll Resource & Environm Engn, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Coll Resource & Environm Engn, Shanghai 200237, Peoples R China
Shen, Zhigang
Guo, Shaopeng
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E China Univ Sci & Technol, Coll Resource & Environm Engn, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Coll Resource & Environm Engn, Shanghai 200237, Peoples R China
Guo, Shaopeng
Kang, Wanzhong
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E China Univ Sci & Technol, Coll Resource & Environm Engn, Shanghai 200237, Peoples R China
SINOPEC Ningbo Engn Co Ltd, Ningbo 315103, Zhejiang, Peoples R ChinaE China Univ Sci & Technol, Coll Resource & Environm Engn, Shanghai 200237, Peoples R China
Kang, Wanzhong
Zeng, Kun
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E China Univ Sci & Technol, Coll Resource & Environm Engn, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Coll Resource & Environm Engn, Shanghai 200237, Peoples R China
Zeng, Kun
Yin, Ming
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E China Univ Sci & Technol, Coll Resource & Environm Engn, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Coll Resource & Environm Engn, Shanghai 200237, Peoples R China
Yin, Ming
Tian, Jingyu
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E China Univ Sci & Technol, Coll Resource & Environm Engn, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Coll Resource & Environm Engn, Shanghai 200237, Peoples R China
Tian, Jingyu
Lu, Jun
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机构:
E China Univ Sci & Technol, Coll Resource & Environm Engn, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Coll Resource & Environm Engn, Shanghai 200237, Peoples R China