发明名称 |
Mercury re-emission control |
摘要 |
A method for reducing mercury emission and/or re-emission in cleaned flue gas through control of dissolved mercury species concentration within a wet flue gas desulfurization (WFGD) system (18) is disclosed. One method for reducing mercury emission and/or re-emission through control of dissolved mercury species concentration is to measure the dissolved mercury species concentration of an aqueous alkaline slurry (24) used in a WFGD system (18) and/or measuring mercury concentration of cleaned flue gas from a WFGD system (18) and comparing the same to a predetermined dissolved mercury species concentration value and/or a predetermined mercury concentration value. If the comparison reveals the measured dissolved mercury species concentration or mercury concentration is above the predetermined values therefor, the amount of cyclodextrin additive (54) supplied to the system (18) is increased. If the comparison reveals the measured dissolved mercury species concentration or mercury concentration is below the predetermined values, the amount of cyclodextrin additive (54) supplied to the system (18) is decreased. |
申请公布号 |
EP2898938(B1) |
申请公布日期 |
2016.11.09 |
申请号 |
EP20140199490 |
申请日期 |
2014.12.19 |
申请人 |
GENERAL ELECTRIC TECHNOLOGY GMBH |
发明人 |
CZARNECKI, LAWRENCE JOSEPH |
分类号 |
B01D53/30;B01D53/34;B01D53/48;B01D53/50;B01D53/64;B01D53/78;C08B37/16;F23J15/00;F23J15/04 |
主分类号 |
B01D53/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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