共搜索到1233条信息,每页显示10条信息,共124页。用时:0小时0分0秒359毫秒
integration of recycling in high efficiency[J]. Environmental Protection In Metallurgical Industry, 2007(6): 17-20. [5] ZHAN Guang, GUO Zhan-cheng. Basic properties of sintering dust from iron and steel... by cooling crystallizing, washing and purification, the lead chloride product with purity of 99% is obtained. Key words: sintering dust; coordination leaching; resource utilization; lead recycling......
新型钢包改质剂生产Q345C的应用研究彭军1,王世俊2,刘丽霞2,董元篪2,周云2(1.北京市北京科技大学 冶金与生态工程学院2.安徽工业大学 冶金与资源学院,安徽马鞍山 243002)摘 要:利用生产铝锭的铝渣或电解Al2O3的下脚料配制了一种含铝钢包顶渣改制剂,并将该改质剂应用于济南钢铁公司Q345C含铝钢的生产实验.实验结果表明:该改质剂有利于提高铝的收得率,并稳定钢中铝含量,精炼时能提高脱硫效率,但并不增加精炼过程回磷量,部分还有一定的脱磷效果.生产时添加该改质剂有回硅的趋势,但回硅量不大,能够满足生产......
; 文献标志码:A 文章编号:1672-7207(2016)04-1436-05 Copper recycling from waste printed circuit boards by electrokinetics WANG rong1..., was applied to recovery copper from WPCBs. Factors, such as WPCBs adding amount, ionic liquid concentration, current density, time and H2O2 amount, which affect Cu recycling rate as well as Cu......
......
Microstructure and mechanical properties of Mg-Zn-Y-Zr alloy prepared by solid state recycling ZHAO Zu-de1, CHEN Qiang1, YANG Lin2, SHU Da-yu1, ZHAO Zhi-xiang1 1. Southwest Technique... words: Mg-Zn-Y-Zr alloy; extrusion ratio; solid state recycling; processing temperature 1 Introduction Magnesium alloys have been widely used in electronic, automotive and aerospace industries, due......
analyzed. Moreover, the creep mechanism, corrosion mechanism, surface treatment technology and the solid-state recycling on Mg-Gd-Y-Zr alloys were summarized. At last, further research areas on Mg-Gd-Y-Zr alloys were suggested. Key words: Mg-Gd-Y-Zr magnesium alloys; high strength and heat resistant; corrosion behavior; aging precipitation; solid-state recycling 镁合金是目前实际应用中密度较低的金属结构材料,在汽车,航空航天及通讯电子等领域得......
dross; low-temperature alkaline smelting; aluminum; NaOH; resources recycling 铝灰产生于所有铝发生熔融的生产工序,含铝量10%~80%不等,其中的铝约占铝生产使用过程中总损失量的1%~12%[1-2].随着金属铝及铝合金生产规模不断扩大,铝灰的产生量也将成比例增长.因此,寻找经济有效的方法利用和治理铝灰,对实现铝二次资源...-yi, TIAN Qing-hua. The resource recycling of nonferrous metal fundamental and approach[M]. Changsha: Central South University Press, 2008: 16-68. [4] Shinzato M C, Hypolito R. Solid waste from......
wastewater by using compound salt precipitation and recycling of compound salt XU Lei1, ZHENG Ya-jie1, LONG Hua1, PENG Ying-lin2, HE Han-bing1 (1. School of Metallurgy and Environment, Central South... rate can reach over 80%, which has both ecological and economic benefits. Key words: compound salt; secondary arsenic removal; leaching; arsenic-containing wastewater; recycling Foundation item......
-qiang(苍大强)1, 2 1. School[U1] of Metallurgy and Ecology Engineering, University of Science and Technology Beijing,Beijing 100083, China; 2. Key Laboratory of Ecological and Recycling Metallurgy... and the reaction activation energy is 15.73 kJ/mol. Key words: electric arc furnace (EAF) dust; zinc leaching; hydrometallurgy; thermodynamics; leaching kinetics; recycling 1 Introduction Production......
Activity coefficients of NiO and CoO in CaO–Al2O3–SiO2 slag and their application to the recycling of Ni–Co–Fe-based end-of-life superalloys via remeltingXin Lu,Takahiro Miki,Tetsuya NagasakaGraduate School of Engineering, Tohoku University摘 要:To design optimal pyrometallurgical processes for nickel and cobalt recycling, and more particularly......