The thief process for mercury removal from flue gas.

The thief process for mercury removal from flue gas.
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DOI:
10.1016/j.jenvman.2006.06.022
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发表时间:
2007-09
影响因子:
8.7
通讯作者:
E. Granite;M. Freeman;R. Hargis;W. O'dowd;H. Pennline
E. Granite;M. Freeman;R. Hargis;W. O'dowd;H. Pennline
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
E. Granite;M. Freeman;R. Hargis;W. O'dowd;H. Pennline

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Thief工艺是活性炭喷射(ACI)的一种成本效益高的变体,用于从烟道气中去除汞。在该方案中,来自粉煤发电厂的炉的部分燃烧的煤通过喷枪提取,然后再注入空气预热器下游的管道系统中。最近在一个500磅/小时的中试规模燃烧设施上取得的结果表明,“小偷”工艺和活性炭催化剂的汞去除效果相似。迄今为止在实验室、实验室和中试规模进行的测试表明,Thief吸附剂对烟道气流中汞的吸附能力与市售活性炭相当。2003年2月颁发了该工艺的专利。Thief吸附剂比市售活性炭便宜;表现出优异的汞容量;整个工艺具有降低烟气中汞去除成本的巨大潜力。Thief Process授权给Mobotec USA,Inc.。in May五of 2005.
The Thief Process is a cost-effective variation to activated carbon injection (ACI) for removal of mercury from flue gas. In this scheme, partially combusted coal from the furnace of a pulverized coal power generation plant is extracted by a lance and then re-injected into the ductwork downstream of the air preheater. Recent results on a 500-lb/h pilot-scale combustion facility show similar removals of mercury for both the Thief Process and ACI. The tests conducted to date at laboratory, bench, and pilot-scales demonstrate that the Thief sorbents exhibit capacities for mercury from flue gas streams that are comparable to those exhibited by commercially available activated carbons. A patent for the process was issued in February 2003. The Thief sorbents are cheaper than commercially-available activated carbons; exhibit excellent capacities for mercury; and the overall process holds great potential for reducing the cost of mercury removal from flue gas. The Thief Process was licensed to Mobotec USA, Inc. in May of 2005.