NITROUS OXIDE DESTRUCTION IN CONTACT WITH METALLIC IRON

Janusz Lasek; Boguslaw Gradon

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NITROUS OXIDE DESTRUCTION IN CONTACT WITH METALLIC IRON

机译：与金属铁接触破坏一氧化二氮

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This article presents the results of the investigation of nitrous oxide reduction by reaction with metallic iron, within the temperature range of 600-850 ℃. Experiments were carried out in a one-dimensional tubular flow reactor externally heated in an electrical furnace. The spherical iron samples of well-defined and fixed surface area were placed in the center of the reactor, and mixtures of N_2OIN_2, N_2OIO_2IN_2, and N_2OICO_2IN_2 of different molar fractions of compounds were passed through the reactor. On basis of these experiments the values of the reaction rate constant for the decomposition of N_2O on Fe were evaluated and compared with the literature data. An impact of oxygen on inhibition of deN_2O process was investigated. A very strong and fast decrease of N_2O reduction rate was observed after introducing more than 2 vol% Orcontaining gas mixture into reaction zone. The surfaces and cross sections of partly oxidized iron samples were observed using the scanning and light microscopes. The structure of the iron oxides formed during iron oxidation in reaction with N_2O is discussed.

机译：本文介绍了在600-850℃温度范围内与金属铁反应还原一氧化二氮的研究结果。实验是在电炉中外部加热的一维管式流动反应器中进行的。将具有确定的和固定的表面积的球形铁样品放置在反应器的中央，并使不同摩尔分数的化合物的N_2OIN_2，N_2OIO_2IN_2和N_2OICO_2IN_2的混合物通过反应器。在这些实验的基础上，评估了N_2O在Fe上分解的反应速率常数，并将其与文献数据进行了比较。研究了氧对抑制deN_2O过程的影响。在反应区中引入2％（体积）以上的含气混合气后，N_2O还原速率下降非常迅速。使用扫描显微镜和光学显微镜观察部分氧化的铁样品的表面和横截面。讨论了在与N_2O反应的铁氧化过程中形成的铁氧化物的结构。

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来源
《Combustion Science and Technology》 |2013年第12期|1590-1601|共12页
作者
Janusz Lasek; Boguslaw Gradon;
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作者单位

Institute for Chemical Processing of Coal, 1 Zamkowa St, 41-803, Zabrze, Poland;

Department of Metallurgy, Silesian University of Technology, Katowice, Poland;

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原文格式 PDF
正文语种 eng
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关键词
Iron oxidation; N2O reduction; Reaction rate;

机译：铁氧化;减少N2O反应速度;

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1. Interaction of nitric oxide with non-haem iron sites of Escherichia coli bacterioferritin: reduction of nitric oxide to nitrous oxide and oxidation of iron(II) to iron(III). [J] . Le Brun NE, Andrews SC, Moore GR, The Biochemical Journal . 1997,第0期

机译：一氧化氮与大肠杆菌细菌铁蛋白的非血红素铁位点的相互作用：将一氧化氮还原为一氧化二氮，并将铁（II）氧化为铁（III）。
2. Interaction of nitric oxide with non-haem iron sites of Escherichia coli bacterioferritin: reduction of nitric oxide to nitrous oxide and oxidation of iron(II) to iron(III) [J] . leBrun NE, Andrews SC, Moore GR, The Biochemical Journal . 1997,第Pta1期

机译：一氧化氮与大肠杆菌细菌铁蛋白非血红素铁位点的相互作用：将一氧化氮还原为一氧化二氮并将铁（II）氧化为铁（III）
3. Interaction of nitric oxide with non-haem iron sites of Escherichia coli bacterioferritin: reduction of nitric oxide to nitrous oxide and oxidation of iron(II) to iron(III) [J] . Andrew J. THOMSON, Geoffrey R. MOORE, Nick E. LE BRUN, The biochemical journal . 1997,第1期

机译：一氧化氮与大肠杆菌细菌铁蛋白非血红素铁位点的相互作用：将一氧化氮还原为一氧化二氮并将铁（II）氧化为铁（III）
4. EFFECTS OF MINERAL OXIDES ON THE PRECIPITATION MICRO-MORPHOLOGY OF METALLIC IRON IN THE REDUCTION OF IRON OXIDES UNDER CO ATMOSPHERE [C] . Zhancheng GUO, ZhiLong ZHAO, Huiqing TANG, TMS annual meeting exhibition;International symposium on high-temperature metallurgical processing . 2016

机译：钴气氛下矿物氧化物对铁氧化物还原过程中金属铁的析出微观形貌的影响
5. EQUILIBRIUM RELATIONS AMONG IRON-TITANIUM OXIDES IN SILICATE MELTS: THE SYSTEM CALCIUM-ALUMINOSILICATE - CALCIUM-MAGNESIUM METASILICATE - FERROUS-OXIDE - TITANIUM-DIOXIDE IN CONTACT WITH METALLIC IRON. [D] . LIPIN, BRUCE REED. 1975

机译：硅酸盐熔体中铁钛氧化物之间的平衡关系：体系硅酸铝钙-硅酸钙镁-氧化铁-二氧化钛与金属铁的接触。
6. Interaction of nitric oxide with non-haem iron sites of Escherichia coli bacterioferritin: reduction of nitric oxide to nitrous oxide and oxidation of iron(II) to iron(III). [O] . N E Le Brun, S C Andrews, G R Moore, 1997

机译：一氧化氮与大肠杆菌细菌铁蛋白的非血红素铁位点的相互作用：将一氧化氮还原为一氧化二氮并将铁（II）氧化为铁（III）。
7. Iron-catalysed propylene epoxidation by nitrous oxide: dramatic shift of allylic oxidation to epoxidation by the modification with alkali metal salts [O] . WANG XX, ZHANG QH, GUO Q, 2004

机译：一氧化二氮在铁催化的丙烯环氧化中的作用：通过用碱金属盐进行改性，使烯丙基氧化转变为环氧化
8. The Determination of Metallic Iron and Iron Oxides in Pre-reduced Ores, [R] . hughes, h. davey, j. 1977

机译：预还原矿石中金属铁和氧化铁的测定，

NITROUS OXIDE DESTRUCTION IN CONTACT WITH METALLIC IRON

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