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J. Cent. South Univ. (2018) 25: 1904-1913 DOI: https://doi.org/10.1007/s11771-018-3880-y Recovery of antimony from antimony-bearing dusts through reduction roasting process under CO–CO2 mixture gas... and Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract: This paper mainly investigated the antimony recovery from antimony-bearing dusts through reduction roasting process after the dust......
现有主要炼铁工艺的优缺点和研发方向周渝生1,钱晖1,张友平1,李肇毅1,范建峰1(1.上海市宝山钢铁股份有限公司研究院)摘 要:对现有主要炼铁工艺的优缺点和研发的方向做了简要评述.讨论了中国炼铁工艺的差距和努力方向.在今后相当长时期内大型高炉流程仍将是主要产铁设备,高炉流程优化的目标是用足设计炉顶压力,进一步降低能耗,应通过开发以煤代焦的新技术,将大型高炉的入炉焦比降低到200 kg/t以下,节省焦炭等优质资源,改善环保.降低铁水成本,减少污染物排放量,实现炼焦厂,烧结厂的清洁生产,建设生态型钢铁企业.直接还原......
New Steel Making Process through Reduction and Sintering of Cementite Powder N.OUCHIDA1,T.TSUCHIYAMA1,K.NAKASHIMA1,S.TAKAKI1,M.EGASHIRA2 (1.Department of Materials Science and Engineering, Kyushu University;2.Sumitomo Metal Industries, Ltd) 摘要:A new steel making process through reduction and sintering treatment of cementite powder was proposed, and microstructure of the material obtained......
Comparison of reduction disintegration characteristics of TiO2-rich burdens prepared with sintering process and composite agglomeration processZheng-wei Yu,Guang-hui Li,Chen Liu,Feng Zhou,Zhi-wei Peng,Tao JiangSchool of Minerals Processing & Bioengineering, Central South University摘 要:To reveal the impact of the composite agglomeration process(CAP......
%, and the O content drops from 2.10% to 0.91% after the refining process. Key words: V-Ti-Fe master alloys; metallothermic reduction method; recovery rates; refining process 1 Introduction As a kind... reduction method, and the target composition was Ti46V44Fe10 which had a good overall property [16]. Spray refining process was carried out to reduce the impurities of the prepared alloys. 2 Experimental......
that the electroreduction of Sc3+ to Sc is a reversible process with simple 3-electron transfer in one step controlled by diffusion. Key words:scandium; reduction mechanism; cyclic voltammetry; chronopotentiometry; rare...Reduction Mechanism of Scandium Ion in Fluoride Salt Melt 田彦文1,翟玉春1,李成威2,孙本良2 (1.School of Materials and Metallurgy,Northeastern University,Shenyang 110006,China;2.School of Materials Science......
Preparation of ferromagnetic binary alloy fine fibers by organic gel-thermal reduction process SHEN Xiang-qian(沈湘黔), CAO Kai(曹 凯), ZHOU Jian-xin(周建新) School of Materials Science and Engineering... reduction process from the raw materials of critic acid and metal salts. These alloy fibers synthesized were featured with a diameter of about 1 μm and a length as long as 1 m. The structure, thermal......
of ferromagnetic metal fine fibers by organic gel-thermal reduction process CAO Kai(曹 凯), SHEN Xiang-qian(沈湘黔), JING Mao-xiang(景茂祥), ZHOU Jian-xin(周建新) (School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China) Abstract: The organic gel-thermal reduction process was used for the preparation of ferromagnetic metal Ni, Co and Fe fine fibers from the raw materials......
for copper nanoparticles. Liquid reduction has its unique advantages such as simple equipment, short process and easy industrial production. Reducing agent is often used in present methods, including... Preparation of copper nanoparticles by chemical reduction method using potassium borohydride ZHANG Qiu-li(张秋利)1, YANG Zhi-mao(杨志懋)2, DING Bing-jun(丁秉钧)2, LAN Xin-zhe(兰新哲)1, GUO Ying-juan(郭莹娟)1......
process, Midrex and Hyl-III processes. The influences of gas composition and temperature on reduction were studied. Results show that the increasing of H2 proportion is helpful to improve the reduction... continuously in the world. The gas-based reduction process with advantages of mature technology and high productivity is the main one in direct reduction process. But using natural gas as reductant makes its......