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Novel concept of recycling sludge and dust to BOF converter through dispersed in-situ phase induced by composite ball explosive reactionFu-ping Tang,Shu-juan Yu,Peng Fei,Hou-yu Hou,Feng Qian,Xiao-feng WangAnsteel Group Corporation摘 要:Recycling of iron and steelmaking dusts is a key issue in environmental protection efforts and to ensure efficient......
and Technology, Ganzhou 341000, China;2.Nanchang Engineering and Research Institute of Nonferrous Metals, Nanchang 330000, China) Abstract:With coal gas as a reducing agent, the catalytic reduction of SO2 to sulfur in the flue gas produced in metallurgical processes was studied over catalysts of rare earth-Fe/Al_2O_3 (REFe/Al_2O_3). The catalytic activity of the REFe/Al_2O_3 catalyst......
Characterization and CO Catalytic Oxidation of CuO/Ce-Zr-La-O Catalyst 罗孟飞1,钟依均1,林瑞2 (1.Institute of Physical Chemistry, Zhejiang Normal niversity, Jinhua 321004,China;2.Institute of Physical...%)/Ce0.7Zr0.15La0.15O catalyst is the highest. CuO, which finely dispersed and interacted with the support, is the site of oxidation activity. Key words:catalytic chemistry; sol-gel method; CuO/Ce-Zr-La-O......
NO catalytic activity of selective catalytic reduction with ammonia (NH3) by CuMn-ZSM-5 catalysts HUANG Xiu-guo, LI Cai-ting, LU Pei, LI Qun, DING Yan-min (College of Environmental Science & Engineering, Hunan University, Changsha 410082, China) Abstracts: CuMn-ZSM-5 catalysts were prepared by incipient impregnation method, and NO catalytic activity of selective catalytic reduction (SCR......
词:催化脱脂;聚醛基粘结剂;相容性 中图分类号:TF124 文献标志码:A Compatibility of catalytic debinding ingredients LIU Wen-sheng, LONG Lu-ping, MA Yun-zhu (State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China) Abstract: The compatibility of the catalytic debinding ingredients was studied, the solubility parameters of catalytic debinding ingredients were......
Effects of Support on Catalytic Behavior of Combustion Catalyst La0.8Sr0.2CoO3/γ-Al2O3 沈岳年1,斯琴高娃1,王克冰1,秦飞丽1,贾美林1 (1.College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot..., the entering of cobalt ions into γ-Al2O3 lattice is restrained, then LSC formed on the surface of MgAl2O4, which leads to a good catalytic activity of xylene complete oxidation. But the layer of MgAl2O4......
J. Cent. South Univ. (2019) 26: 207-218 DOI: https://doi.org/10.1007/s11771-019-3994-x Selective determination of trace cobalt in zinc electrolytes by second-derivative catalytic polarography ZHU... herein a highly selective method for directly determining the trace Co2+ in highly concentrated zinc electrolyte. This novel method is based on a second derivative wave of catalytic adsorptive......
半钢炼钢复吹工艺优化丁满堂1(1.四川省攀枝花市攀枝花学院 材料工程学院)摘 要:进行了120 t转炉半钢炼钢复吹研究,研究结果表明:透气砖数量越多,复吹效果越好.采用6块透气砖,吹炼终点钢中w([O])达527×10-6,渣中w((TFe))达19.52%,w([C])·w([O])达0.0022%.底吹流量0.05 m3/(min·t)后搅3 min,同时加入50~100 kg含碳材料,终点钢水氧活度降低146.8×10-6.确定合理废钢加入量的原则是以终点钢水C来控制终渣TFe.采用合理的透气砖维护工艺,......
应用COMI炼钢工艺控制转炉脱磷基础研究吕明1,朱荣1,毕秀荣1,魏宁1,汪灿荣2,柯建祥2(1.北京市北京科技大学 冶金与生态工程学院2.福建三钢(集团)闽光股份有限公司,福建三明 365000)摘 要:基于转炉炼钢过程脱磷的热力学分析和计算,以控制转炉冶炼过程脱磷期温度为出发点,提出一种利用CO2气体代替部分O2进行吹炼的转炉炼钢新工艺,即COMI炼钢工艺.研究发现:COMI炼钢工艺能有效控制转炉熔池温度,降低半钢和一倒钢液磷含量,同时可有效减少炉渣铁损,为转炉高效脱磷提供了一种新思路.关键词......