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中,铅,锌总回收率分别为90.68%和99%,单质硫的回收率高达99.1%.关键词:氰化尾渣衍生物；氧化浸出；铅精矿；锌精矿Innovative technology for preparing lead and zinc concentrates from cyanide tailing derivativesWANG Yang1, 2, LI Shi-xiong3, ZHU..., Centr)Abstract:The standard lead and zinc concentrate were prepared from cyanide tailings derivatives. By using X system in the atmospheric pressure for oxidize leaching, the influences of leaching......
Assessing environmental impact of magnesium production using Pidgeon process in China GAO Feng(高 峰), NIE Zuo-ren(聂祚仁), WANG Zhi-hong(王志宏), GONG Xian-zheng(龚先政), ZUO Tie-yong(左铁镛) College... potential(GWP), acidification potential(AP) and human-toxicity potential(HTP) were compared. The results show that the direct emission of fuel combustion in the process is the major contributor......
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菲律宾某尾矿中金的赋存状态王玲1(1.北京市北京矿冶研究总院 矿物加工科学与技术国家重点实验室)摘 要:菲律宾某尾矿库中矿样是金矿全泥氰化的浸渣,含Au0.88g/t,含Ag4.94g/t.在传统显微镜观察及化学物相分析等研究方法基础上,结合矿物自动分析仪MLA查明尾矿库中金的赋存状态.矿样中82.95%的金以自然金,银金矿形式存在,17.05%以碲金矿,碲金银矿形式存在.自然金,银金矿产出粒度一般小于0.125mm,碲金矿,碲金银矿产出粒度均小于0.020mm,金矿物产出特征复杂,主要以硫化矿物包裹体,褐铁矿......
Effect of process parameters on density of magnesium alloy parts by low-pressure expendable pattern casting LI Ji-qiang(李继强), FAN Zi-tian(樊自田), DONG Xuan-pu(董选普) State Key Laboratory of Material...; Abstract: The combination of magnesium alloys with the low-pressure expendable pattern casting (LP-EPC) process would bright future for application of magnesium......
Process optimization diagram based on FEM simulation for extrusion of AZ31 profile LIU Gang(刘 钢)1, ZHOU Jie(周 捷)2, J DUSZCZYK2 1. School of Materials Science and Engineering, Harbin Institute...: The ram speed and the billet temperature are the primary process variables that determine the quality of the extruded magnesium profile and the productivity of the extrusion operation. The optimization......
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Microstructures variation of spray formed Si-30%Al alloy during densification process WEI Yan-guang(魏衍广), XIONG Bai-qing(熊柏青), ZHANG Yong-an(张永安), LIU Hong-wei(刘红伟), WANG Feng(王 锋), ZHU Bao-hong... September 2006 Abstract: Microstructure variation of spray-formed Si-30%Al alloy during densification process by hot pressing was studied. The results indicate that the microstructure of as-deposited......
