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机上也取得了良好的效果. 关键词:储氧量; 固溶体; 贵金属催化剂; 稀土; oxygen storage capacity; solid solutions; precious metals catalyst; rare earths; [全文内容正在添加中] ......
of mixed oxides were prepared by coprecipitaion, and a part of these oxides were loaded with precious metals (PM). XRD, BET, and oxygen storage capacity (OSC) investigations were performed on samples aged... systems, addition of a small amount of precious metals (Pt, Pd, Rh) increased the rate of reduction and led to an obvious improvement in OSC. OSC of CZO and CZYO with precious metals are related......
; Migration and evolution of precious metals during copper smelting 文献[12]研究表明,铜锍品位从50%升高至70%时,Au在铜锍和炉渣中的分配系数从1000上升至3000,Ag的分配系数从200上升为300,其中被定义为 ...×10-2 g/t,3.74 g/t. 图2 精矿中Cu含量对贵金属分配行为的影响 Fig. 2 Effect of Cu content in concentrate on distribution behavior of precious metals between matte and slag 图3 精矿中Cu含量对贵金属多相分配比例的影响 Fig......
: 10.11817/j.ysxb.1004.0609.2021-37748 DENG Yu-qing, ZHANG Fu-yuan, ZHANG Jin-chi, et al. Enrichment of precious metals by hydrometallurgical separation of Bi and Fe from platinum palladium concentrate[J...): 990-998. GUO Xue-yi, XIAO Cai-mei, ZHONG Ju-ya, et al. Behaviors of precious metals in process of copper anode slime treatment[J]. The Chinese Journal of Nonferrous Metals, 2010, 20(5): 990-998. [9......
of Platinum Metals, Kunming Institute of Precious Metals, Kunming 650106, China; 2. Precious Metal Catalytic Materials Engineering Technology Research Center in Yunnan Province, Kunming Sino-platinum... thermal stability, oxygen storage capacity and catalytic activity can be improved by doping of rare earth, transition metals and precious metals to some extent. The recent research status about ceria......
SO2 into solution. The quality of element sulphur may reach 99.08% and the recycle ratio of sulphur is 54.6%-74.19%. Key words: copper residue; sodium sulfide; leaching; precious metals... on leaching process were researched. The experimental results show that the average residue ratio is 26.52% and the leaching ratio of noble metals is 10.63% when the temperature is 25 ℃, concentration of Na2S......
. Taking gold, silver and platinum as an example, the commodity feature and financial feature of those precious metals are widely concerned. China is the second net import country of petroleum and the great demand helps to increase oil prices and it could lead to inflation and fluctuation of exchange rate domestically. In this situation, investors turn to precious metals to resist inflation......
on precious metals medium-low temperature brittle filler metals for electronic industry[J]. Precious Metals, 2014, 35(3): 72-73. [22] OPPERMANN H, HUTTE M, KLEIN M. Flip chip reliability of GaAs on Si...中温金基钎料研究[J]. 贵金属, 2010, 31(2): 41-48. LIU Ze-guang, CHEN Deng-quan, LI Wei. Research of new mid-temperature solder of Au-based alloy[J]. Precious Metals, 2010, 31(2): 41-48. [34] CHANG Kuo-chin, CHANG......
. The extraction and refinery of precious metals [M]. Changsha: Central South University Press, 2003. (Edited by YANG Bing) ... Co-intensification of gold leaching with heavy metals and hydrogen peroxide YANG Yong-bin(杨永斌), LI Qian(李 骞), JIANG Tao(姜 涛), GUO Yu-feng(郭宇峰), LI Guang-hui(李光辉), XU Bin(许 斌) School......
码:A Behaviors of precious metals in process of copper anode slime treatment GUO Xue-yi, XIAO Cai-mei, ZHONG Ju-ya, TIAN Qing-hua (School of Metallurgical Science and Engineering, Central South... for a non-ferrous metal company. The substance flow analyses (SFA) were used to study the behaviors of the precious metals such as Au, Ag, Pt and Pd. The results show that almost 88% Au and 97% Ag......
