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公开(公告)号：US5900042A
公开(公告)日：1999-05-04
申请号：US912582
申请日：1997-08-18
CPC分类号： B01D53/14 , B01D53/64 , C22B3/10 , C22B43/00 , Y02P10/234
摘要： A method is provided to remove elemental mercury from a gas stream by reacting the gas stream with an oxidizing solution to convert the elemental mercury to soluble mercury compounds. Other constituents are also oxidized. The gas stream is then passed through a wet scrubber to remove the mercuric compounds and oxidized constituents.
摘要翻译： 提供了一种通过使气流与氧化溶液反应以将元素汞转化为可溶性汞化合物从气流中除去元素汞的方法。 其他成分也被氧化。 然后将气流通过湿式洗涤器以除去汞化合物和氧化成分。
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2.发明授权Apparatus and method for improving electrostatic precipitator performance by plasma reactor conversion of SO.sub.2 to SO.sub.3 失效通过等离子体反应器将SO2转化为SO 3来提高静电除尘器性能的装置和方法
公开(公告)号：US5980610A
公开(公告)日：1999-11-09
申请号：US937170
申请日：1997-09-25
CPC分类号： C01B17/74 , B01D53/32 , B03C3/013 , Y02P20/129
摘要： An apparatus and process that utilize a low temperature nonequilibrium plasma reactor, for improving the particulate removal efficiency of an electrostatic precipitator (ESP) are disclosed. A portion of the flue gas, that contains a low level of SO.sub.2 O.sub.2 H.sub.2 O, and particulate matter, is passed through a low temperature plasma reactor, which defines a plasma volume, thereby oxidizing a portion of the SO.sub.2 present in the flue gas into SO.sub.3. An SO.sub.2 rich flue gas is thereby generated. The SO.sub.3 rich flue gas is then returned to the primary flow of the flue gas in the exhaust treatment system prior to the ESP. This allows the SO.sub.3 to react with water to form H.sub.2 SO.sub.4 that is in turn is absorbed by fly ash in the gas stream in order to improve the removal efficiency of the EPS.
摘要翻译： 公开了一种利用低温非平衡等离子体反应器来提高静电除尘器（ESP）的颗粒去除效率的装置和方法。 一部分含有低水平的SO 2 O 2 H 2 O和颗粒物质的烟道气通过限定等离子体体积的低温等离子体反应器，从而将烟道气中存在的一部分SO 2氧化为SO 3 。 由此产生富SO 2的烟道气。 然后在ESP之前，将排出的SO 3的烟气返回到废气处理系统中的烟道气的主流。 这允许SO 3与水反应形成H 2 SO 4，其又被气流中的飞灰吸收，以提高EPS的去除效率。
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