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Numerical simulation of high temperature air combustion in aluminum hydroxide gas suspension calcinations LIU Dai-fei(刘代飞)1, DING Feng-qi(丁凤其)1, ZHANG Hong-liang(张红亮)1, ZHENG Wen-bo(郑文波)2 1...; Abstract: The high temperature air combustion(HiTAC) process in gas suspension calcinations(GSC) was studied by using a CFD software FLUENT......
, and then it was purified and concentrated into final analytical sample. The method of Nessler spectrophotometry was used to detect ammonia, with precision of 0.03 mg/m3. The portable flue gas analyzer...]. The Chinese Journal of Process Engineering, 2010, 10(5): 944-949. [17] LIAO Ji-yong, BI Xue-gong, XIONG Wei, JIN Yan. Simulation research for sintering waste gas desulfurization [J]. Sintering......
Accelerated Gas Carburizing (URX Gas Carburizing) Hiroyuki Nakatsu1,Mamoru Kamitani1,Yoshikazu Shimosato1 (1.Chugai Ro Co., Ltd., Osaka, Japan) 摘要:URX gas carburizing is an accelerated gas carburizing method with 50% CO + 50% H2 gas which comes from CH4 gas + CO2 gas. By using this gas composition, the carburizing reaction rate increases to the maximum and the controllability of carbon......
120t转炉冶炼无取向硅钢脱硫技术研究吴明1,李应江1(1.安徽省马鞍山市马鞍山钢铁股份有限公司第一钢轧总厂)摘 要:结合冶炼无取向硅钢的生产实际,对钢中硫的来源,以及炉渣性质,钢水温度,底吹强度对脱硫的影响进行了分析.研究表明,转炉钢中硫的主要来源为铁水,废钢,铁水渣及石灰带入;冶炼硅钢时,终渣碱度为3.0~3.5,w((FeO))≤20%,终点钢水温度大于等于1 680℃,加大底吹搅拌强度能提高转炉脱硫效果.硅钢平均出钢硫的质量分数为0.004 8%,能满足无取向硅钢对硫含量的要求.关键词:转......
and Environment, Southeast University, Nanjing 210096, China) Abstract: Accurate monitoring of oxidized mercury in coal-fired flue gas is a prerequisite for developing an optimal mercury emission control... gas, the research ideas and application prospects of the conversion technology of oxidized mercury in Hg-CEMS are proposed. Key words: coal-fired flue gas; gaseous oxidized mercury; reduction; total......
Trans. Nonferrous Met. Soc. China 25(2015) 2073-2080 Preparation of high purity cadmium with micro-spherical architecture from zinc flue dust Yuan LIU, Ya-jie ZHENG, Zhao-ming SUN School of Metallurgy and Environment, Central South University, Changsha 410083, China Received 21 July 2014; accepted 5 December 2014 Abstract: This research has focused on the treatment of zinc flue dust by an acid......
量为0.253%. 表10 气体流量对脱硫率和ST含量的影响 Table 10 Effects of gas flow on desulfurization rate and sulfur content 综上所述,沉铁渣焙烧脱硫的优化工艺参数为氧气浓度70%,焙烧温度1300 ℃,焙烧时间20 min,气体流量0.2 L/min,在此条件下,沉铁渣脱硫率为98.2%,焙... in resistance furnace. The effects of oxygen concentration, roasting temperature, roasting time and gas flow on the desulfurization rate of iron-sinking slag and sulfur content of roasted ore were studied......
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Gas sensitivity of indium oxide HUANG Shi-zhen1, 2, LIN Wei1, 2, CHEN Wen-zhe1, 2 1. Fujian Key Laboratory of Microelectronic IC, Fuzhou University, Fuzhou 350002, China; 2. College... at low heating temperature, and the status is reversed at high heating temperature.. Key words: indium oxide; gas sensor; gas sensitivity  ......
Industry and Engineering Progress, 2019, 38(5): 2471-2478. [7] YANG Shijian, GUO Yongfu, YAN Naiqiang, et al. Elemental mercury capture from flue gas by magnetic Mn–Fe spinel: effect of chemical... FeMnOx enhanced via non-thermal plasma[J]. Chemical Engineering Journal, 2017, 309: 503-512. [9] YANG Shijian, GUO Yongfu, YAN Naiqiang, et al. Capture of gaseous elemental mercury from flue gas using......