共 21 条
SIMULTANEOUS REMOVAL OF SO2 AND NOx FROM SINTERING FLUE GAS USING AMMONIA-Fe(II)EDTA COMBINED WITH ELECTROLYTIC REGENERATION
被引:3
作者:

Liang, Yan
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Wuhan Univ Sci & Technol, Hubei Key Lab Efficient Utilizat & Agglomerat Met, Wuhan 430081, Hubei, Peoples R China Wuhan Univ Sci & Technol, Hubei Key Lab Efficient Utilizat & Agglomerat Met, Wuhan 430081, Hubei, Peoples R China

Yao, Xi
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Wuhan Univ Sci & Technol, Hubei Key Lab Efficient Utilizat & Agglomerat Met, Wuhan 430081, Hubei, Peoples R China Wuhan Univ Sci & Technol, Hubei Key Lab Efficient Utilizat & Agglomerat Met, Wuhan 430081, Hubei, Peoples R China

Quin, Linbo
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h-index: 0
机构:
Wuhan Univ Sci & Technol, Ind Safety Engn Technol Res Ctr Hubei Prov, Wuhan 430081, Hubei, Peoples R China Wuhan Univ Sci & Technol, Hubei Key Lab Efficient Utilizat & Agglomerat Met, Wuhan 430081, Hubei, Peoples R China

Chen, Wangsheng
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h-index: 0
机构:
Wuhan Univ Sci & Technol, Hubei Key Lab Efficient Utilizat & Agglomerat Met, Wuhan 430081, Hubei, Peoples R China Wuhan Univ Sci & Technol, Hubei Key Lab Efficient Utilizat & Agglomerat Met, Wuhan 430081, Hubei, Peoples R China

Han, Jun
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h-index: 0
机构:
Wuhan Univ Sci & Technol, Hubei Key Lab Efficient Utilizat & Agglomerat Met, Wuhan 430081, Hubei, Peoples R China
Wuhan Univ Sci & Technol, Ind Safety Engn Technol Res Ctr Hubei Prov, Wuhan 430081, Hubei, Peoples R China Wuhan Univ Sci & Technol, Hubei Key Lab Efficient Utilizat & Agglomerat Met, Wuhan 430081, Hubei, Peoples R China
机构:
[1] Wuhan Univ Sci & Technol, Hubei Key Lab Efficient Utilizat & Agglomerat Met, Wuhan 430081, Hubei, Peoples R China
[2] Wuhan Univ Sci & Technol, Ind Safety Engn Technol Res Ctr Hubei Prov, Wuhan 430081, Hubei, Peoples R China
来源:
ENVIRONMENT PROTECTION ENGINEERING
|
2018年
/
44卷
/
02期
基金:
美国国家科学基金会;
关键词:
ELECTROCHEMICAL REDUCTION;
ACTIVATED CARBON;
EDTA;
DESULFURIZATION;
ABSORPTION;
BIOFILTER;
D O I:
10.5277/epe180202
中图分类号:
X [环境科学、安全科学];
学科分类号:
08 ;
0830 ;
摘要:
Sulfur dioxide and nitrogen oxide are health hazardous gases, which contribute to the formation of submicron acidic particulates. To reduce SO2 and NOx emission from the sintering flue gas, the combination of ammonia-Fe(II)EDTA solution scrubbing with Fe(III) electrolytic regeneration is proposed. The above method has the following advantages: direct conversion of NOx and SO2 to harmless N-2 and SO42-, recovery of the by-product (NH4)(2)SO4), simultaneous removal of NOx and SO2 emission from flue gas in the reactor. The effect of the pH, initial Fe(II)EDTA concentration, and voltage on the desulfurization and denitration efficiencies was investigated using a bench-scale reactor. The maximal desulfurization and denitration efficiencies were 98% and 52%, respectively. The optimum parameters were pH > 5.0, 2.1 V, and 0.05 mol.dm(-3) Fe(II)EDTA concentration. SO2 and NOx removal from the sintering flue gas by ammonia-Fe(II)EDTA solution scrubbing combined with electrolytic regeneration was also demonstrated in a pilot-scale reactor.
引用
收藏
页码:19 / 36
页数:18
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