发明名称 |
MERCURY REDUCTION SYSTEM AND MERCURY REDUCTION METHOD OF FLUE GAS CONTAINING MERCURY |
摘要 |
A mercury reduction system 10A according to the present embodiment is a mercury reduction system that reduces NOx and Hg in flue gas 12 discharged from a boiler 11, and includes a chemical supplying unit 19A that mixes an NH4Cl solution 14, an NH3 solution 15, and an HCl solution 16 in liquid states, and supplies a mixed solution 17 into a flue 18 provided downstream of the boiler 11, a reduction denitration apparatus 20 that includes a denitration catalyst reducing NOx in the flue gas 12 with NH3 and oxidizing Hg in the presence of HCl, and a wet desulfurization apparatus 25 that reduces Hg oxidized in the reduction denitration apparatus 20 with limestone-gypsum slurry 24. |
申请公布号 |
CA2764121(C) |
申请公布日期 |
2014.09.09 |
申请号 |
CA20092764121 |
申请日期 |
2009.06.17 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
UKAI, NOBUYUKI;MURAKAMI, MORITOSHI;OKINO, SUSUMU;NAGAYASU, TATSUTO;KAGAWA, SEIJI |
分类号 |
B01D53/86;B01D53/64 |
主分类号 |
B01D53/86 |
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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