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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
Feasibility study on simultaneous removal of sulfur and trace selenium in the MTD-FGD reactor
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Use of zeolitized coal fly ash in the simultaneous removal of ammonium and phosphate from aqueous solution
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Conditions for simultaneous removal of 137Cs and 238,239Pu with fluoride-containing nitric acid solutions were optimized.
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The electrooxidation of the mixed COads + Cuad layer in the course of anodic potential scans is shown to be accompanied by simultaneous removal of both species in a wide potentials range.
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The simultaneous removal mechanism of SO2 and NO based on this absorbent was proposed according to the experimental results.
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| | The flue gas from burning mineral fuels usually contains NOx and SO_2 In cleaning flue gas, NOx and SO_2 are often eliminated from flue gas respectively, which is regarded as an uneconomical way, It is most ideal to get rid of NOx and SO_2 simultaneously. In recent years, a lot of dry and wet means combined with NOx/SO_2 control have been researched and developed, of which the electron beam irradiation process with NOx/SO_2 control is effective. In this way, these two pollutants may be converted into chemic... | | 矿物燃料燃烧产生的烟气,除含有NOx外,往往还含有SOx。烟气净化时,通常对NOx和SOx分别进行控制,这样往往是不太经济的。若能在净化NOx的过程中,一同除去SOx,即在同一个过程中同时除去烟气中的NOx和SOx,那是最为理想的。近年来,研究及开发了许多种干法和湿法排烟同时脱硝脱硫的新技术。其中,应用电子束辐照法排烟同时脱硝脱硫,可有效地同时脱除烟气中的NOx和SOx,并将这两种污染物转化成有价值的副产物——化肥。显然,应用电子束辐射法处理烟气是值得重视的一项新技术。 | | 文摘来源 | | A process for the simultaneous absorption of NO (from nitric acid plant emissions) and H2S(from coal gas produced in synthetic ammonia plants) in aqueous Fe(II)-EDTA solution was proposed. The kinetics of absorption of NO in aqueous Fe(II)-EDTA solution was studied. It was found that the reaction was rather complicated: NO +Fe(II) - EDTA = Fe(II) (NO) EDTA, and was a second order reaction with respect to the forward reaction and first order with respect to the reverse reaction. The mechanism of the absorpti... | | 本文提出一种用Fe(Ⅱ)-EDTA溶液同时脱除硝酸尾气中NO_x和合成氨原料气中H_2S的方法,并对Fe(Ⅱ)-EDTA溶液吸收一氧化氮动力学进行了研究.根据络合反应:NO+Fe(Ⅱ)-EDTA(?)Fe(Ⅱ)(NO)EDTA属快速(2,1)级可逆反应的特点,建立起适合于一般形式A+B(?)E的快速(2,1)级可逆反应宏观吸收动力学数学模型,并和现有的其它模型进行比较.将所导出的数学模型与所测得的Fe(Ⅱ)-EDTA吸收NO动力学实验数据拟合,采用Marquardt法搜索、选优,求得Fe(Ⅱ)-EDTA吸收NO动力学关系式.文章还提出了测定数学模型中各个物性参数的实验方法. | | 文摘来源 | | NO_x and SO_x can be removed simultaneously when electron beam process in series with dry FGD is used in the treatment of boiler combustion flue gases from coal-fired power plants with ammonium sulfate and ammonium nitrate obtained at the same time as by-products. The removal efficiency of NO_x/SO_x can be both as high as 90 per cent for high sulphur flue gases. High concentration of SO_2 can enhance the removal efficiency of MO_x90 per. cent NO_2 and 82 per cent SO_x can be removed in processing flue gas i... | | 使用同干法烟道气脱硫(FGD)系统串联的电子束,处理燃煤电厂锅炉的燃烧烟道气,可同时脱除NO_x和SO_2,并可副产硫酸铵和硝酸铵化肥。对高硫燃料,其烟道气中NO_x和SO_x的脱除率可达90%。高的SO_2浓度,可提高NO_x脱除效果:初始SO_2含量为2500ppm的烟道气,NO_x和SO_2的脱除率分别为90%和82%;而初始SO_2含量为400ppm的烟道气,其NO_x的脱除率减少至55%。经济分析表明,该法投资费用为261—268美元/千瓦,操作费用约为10.5×10~(-3)美元/千瓦小时(0.038美元/兆焦)。 | | 文摘来源 | |   | | << 更多相关文摘 |
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