低温选择性催化还原,low-temperature selective catalytic reduction
1)low-temperature selective catalytic reduction低温选择性催化还原
1.Novel MnO_x/CNTs catalyst forlow-temperature selective catalytic reduction of NO新型MnO_x/CNTs催化剂低温选择性催化还原NO
2.The mechanisms and kinetics oflow-temperature selective catalytic reduction(SCR) have attracted many researchers\" attention.对低温选择性催化还原(SCR)脱硝技术的反应机理及动力学已有较多研究。
3.The results showed that the texture and OSC had vital influence on thelow-temperature selective catalytic reduction (SCR) of NO with NH3.以MnOx为活性组分,CeO2为助剂,ZrO2-TiO2为载体制备了MnOx-CeO2/ZrO2-TiO2整体式催化剂,考察了焙烧温度对该催化剂上NH3低温选择性催化还原反应(NH3-SCR)的影响。
英文短句/例句
1.Novel MnO_x/CNTs catalyst for low-temperature selective catalytic reduction of NO新型MnO_x/CNTs催化剂低温选择性催化还原NO
2.Study on Low-temperature Selective Catalytic Reduction of NO with NH_3 over Modified Activated Carbon;改性活性炭低温选择性催化还原NO研究
3.Research Progress of Selective Catalytic Reduction of NO_x at Low Temperature低温选择性催化还原NO_x的研究进展
4.Cu-Mn/TiO_2 for Low-temperature Selective Catalytic Reduction of NO_XCu-Mn/TiO_2催化剂低温选择性催化还原NO_X的研究
5.The Performance of Low-temperature Selective Catalytic Reduction of NO_x with New Types of Manganese-Based Metal Oxide Catalysts低温选择性催化还原NO_x的新型锰基金属氧化物催化剂性能研究
6.Effect of Fe_2O_3/ACF catalysts modified by non-thermal plasma on the selective catalytic reduction of NO at low temperature低温等离子体改性对Fe_2O_3/ACF低温选择性催化还原NO的影响
7.Research on the Preparation and Denitrification Performance of Low Temperature SCR Catalyst低温选择性催化还原脱硝催化剂的制备及性能研究
8.Preparation and Activity of F-doped VO_x/TiO_y Low Temperature SCR Catalysts氟掺杂VO_x/TiO_y低温选择性催化还原催化剂的制备及其性能
9.Study on Mn-based Catalysts and Mechanism for Selective Catalytic Reduction of NO_X at Low-temperature;锰基催化剂研制及其低温选择性催化还原NO_X机理研究
10.Low-temperature Selective Catalytic Reduction of NO with NH_3 over Mn-Fe-Ce/TiO_2Mn-Fe-Ce/TiO_2低温NH_3选择性催化还原NO
11.Mechanism of Selective Catalytic Reduction of NO at Low Temperature over V_2O_5/ACF CatalystsV_2O_5/ACF催化剂低温下选择性催化还原NO的机理
12.Study of Novel Mn-based Catalyst for Selective Catalytic Reduction of NO_x at Low-temperature;新型Mn基低温选择催化还原脱硝催化剂的研制
13.Study of low-temperature selective catalytic reduction of NO by ammonia over carbon-nanotube-supported vanadiumV_2O_5/CNTs催化剂低温NH_3选择催化还原NO的研究
14.Research advance in non-thermal plasma induced selective catalytic reduction NO_x with low hydrocarbon compounds低温等离子体诱导低碳烃选择性催化还原NO_x研究进展
15.Green House Gas Emission Reduction and Materials for Selective Catalytic Reduction of NO_x in China中国温室气体减排与选择性催化还原脱硝材料
16.Development of the Honeycomb Catalyst for Selective Catalytic Reduction蜂窝状选择性催化还原催化剂的研制
17.Selective Catalytic Reduction of NO over CuO/γ-Al_2O_3 CatalystsCuO/γ-Al_2O_3催化剂选择性催化还原NO
18.Selective catalytic reduction of NO over CuO-CeO_2-MnO_x/γ-Al_2O_3 catalystsCuO-CeO_2-MnO_x/γ-Al_2O_3催化剂选择性催化还原NO
相关短句/例句
low-temperaure selective catalytic reduction(SCR)低温选择性催化还原法
3)Low temperature selective catalytic reduction(SCR)低温选择性催化还原(SCR)
4)selective catalytic reduction(SCR)选择性催化还原
1.The basic principles of selective catalytic reduction(SCR) reaction are described.介绍了选择性催化还原(SCR)原理,分析了SCR反应过程中催化剂钝化4种主要原因,总结了目前国内外常用的几种催化剂的失活再生技术,如水洗再生、热再生、热还原再生、酸液处理再生、SO2酸化热再生,同时对酸液处理再生技术进行实验评价。
2.Sulfated NOx selective catalytic reduction(SCR) catalyst has been paid much attention,due to its enhanced activity and selectivity,and high tolerance towards alkali poisoning.新型的硫酸化NOx选择性催化还原(SCR)催化剂,由于对催化性能具有良好的促进作用以及强抗碱金属中毒特性等日益受到关注,成为SCR研究的热点。
3.The technology and mechanism of selective catalytic reduction(SCR) of NOx at low temperature(<200℃) in the presence of oxygen with NH3 as reductant and activated carbon as catalyst were introduced.介绍了选用NH3作还原剂,活性炭作催化剂,在低温(<200℃)和氧气存在的条件下,选择性催化还原(SCR)NOx的技术和反应机理,研究了氧气浓度、NOx入口浓度和烟气温度对脱NOx率的影响。
5)SCR选择性催化还原
1.Synthesis of heat-resistant WO_3-CeO_2-ZrO_2 catalyst and its performance for NH_3-SCR of NO in diesel exhaust;耐高温WO_3-CeO_2-ZrO_2催化剂的合成及其在柴油车尾气氨-选择性催化还原一氧化氮中的应用
2.Study on OptimizingSCR System for Large Capacity Utility Boilers;大型电站锅炉烟气脱硝选择性催化还原系统优化研究
3.Modeling and Optimization of Urea-SCR Exhaust Aftertreatment Systems尿素选择性催化还原系统的仿真与优化
6)selective catalytic reduction选择性催化还原
1.Analysis and Evaluation on Three Different Configuration of Selective Catalytic Reduction Denitrification Process;选择性催化还原脱硝工艺的布置方式及分析
2.Mathematic model ofselective catalytic reduction of NO with NH_3 in experiment-scale reactor;NH_3选择性催化还原NO数学模型
3.Investigation intoselective catalytic reduction(SCR) of NO_x;选择性催化还原(SCR)脱除NO_x的实验研究
延伸阅读
低温还原粉化性低温还原粉化性reduction disintegration propertydiwen huonyuan fenhuaxing现强度衰弱区，因而也导致在该碱度条件下烧结矿的低温还原粉化性(reduetion disintegration RDI出现低值。Pr叩erty)铁矿石(烧结矿及球团矿)在低温还原还原温度和还原时间烧结矿和球团矿的RDI过程中发生碎裂粉化的特性。在高炉炼铁过程中，当铁随着还原温度变化而变化。一般在400一G00℃有一个矿石进入高炉后，炉料下降到400一600℃的区间，在峰值，温度低于或高于此值，RDI都降低，因为在此温这里受到来自高炉下部的煤气的还原作用，会发生不度范围内aFe刃3很快还原为yFeZO3，低于此温度生成同程度的碎裂粉化。严重时则影响高炉上部料柱的透的yFe203很少;高于此温度，aFe203很快还原为气性，破坏炉况顺行。铁矿石这种性能的强弱以低温还FeXO，使粉化减轻。此外，在400一600℃温度范围内，原粉化指数(RDI)来表示，或称LTB(L。w Tempera一碳素析出反应剧烈(2 CO一C02十C)，促使粉化更加严ture Break一down)。重。用HZ气体作还原剂时，烧结矿的尺DI较低口矿石粉化原因及影响因素低温还原粉化的根本原因的RDI还随着还原时间延长而增加，但30一4omin后是矿石中的Fe203在低温(4。。一600℃)还原时，由赤增加速度开始缓慢。(图1)铁矿变成磁铁矿发生了晶格的变化，前者为三方晶系…扛…三起RDI较大的变化。结晶良好的天然Fe203，RDI一还原温度/℃般在30%以下(按日本钢铁厂方法检验，以下同)沃酌中国几个厂家使用的主要人造富矿的RDI然磁铁矿氧化焙烧成的Fe203的结晶，焙烧初期呈线(还原气流量15L/min，还原时间40min，状，RDI为22.4%，焙烧后期呈多晶状，RDI为试样粒度10一15mm)10.3%;焙烧良好的球团矿，其中的Fe203大部分是斑1一攀枝花钢铁公司;2一济南钢铁厂;3一马鞍山钢铁公司.状，RDI较低，酸性球团矿RDI为34.1%，自熔性球4一首都钢铁公司;5一太原钢铁公司;6一杭州翎铁厂;团矿为3.1%;烧结矿中的FeZO3，如斑状结晶体RDI7一酒泉钢铁厂;8一鞍山钢铁公司;较低，但当磁铁矿原料高温烧结后，在降温初期Fe3O;9一包头钢铁公司迅速再氧化成Fe20，，内部尚包裹着Fe，O‘、硅酸教茄该雳。_n_。_n*，。、、二，、二二二.。。烧结矿中脉石成分烧结矿的一些脉石成分如璃质、CaO·Fe刃3，它的晶体外形多为菱形的骸晶状机币，，’羚‘目“、刃机扣，口”三孙侧肤刀阳FeZO3，具有最高的尺刀I。由于矿物内外还原速度和膨CaO、MgO、A12O3、FeO、TIOZ对烧结矿的尺DI都有一胀情况的不同，导致所生成的烧结矿产生许多裂纹，造定的影响。烧结矿中Cao、MgO、Feo含量高，则烧结成更大的碎裂粉化。矿RDI低;A1203、TIOZ高则RDI升高。研究表明:赤 烧结矿的碱度烧结矿的RDI一般随着烧结矿铁矿转变为磁铁矿的相变温度(THM)对于次生赤铁矿衬赓坦宫而陈形m毛**，，，，*、*，r+t的形成起重要作用。凡某种成分能提高THM，则有助于碱度提高而降低，因为烧结矿碱度提高，烧结矿中目‘少阴“~“r月‘。，。
