全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Jochen Petersen , Susan T.L. Harrison ...
来源:[J].Hydrometallurgy(IF 2.169), 2019, Vol.187, pp.187-194Elsevier
摘要:Abstract(#br)The present study aimed to develop a mesophilic microbial culture that grows effectively in solutions with high solid loading and to develop an optimized continuous-bioleaching system for the treatment of arsenic-rich mine tailings. The mesophilic microbial consortiu...
作者:... Xiyu Gao , Jochen Petersen , Miao Chen
来源:[J].Hydrometallurgy(IF 2.169), 2019, Vol.188, pp.1-13Elsevier
摘要:Abstract(#br)The dissolution of metal sulfides, especially chalcopyrite and the development of porosity in samples of two different low-grade ores during chloride leaching have been studied by synchrotron-based micro-CT. Quantitative analysis of the changes was achieved by using ...
作者:Cledwyn Tawanda Mangunda , Jochen Petersen , Alison Emslie Lewis
来源:[J].Hydrometallurgy(IF 2.169), 2020, Vol.191Elsevier
摘要:Abstract(#br)In the continuous lime neutralization treatment of iron-laden wastewaters, such as acid mine drainage (AMD), the solid-liquid separation of iron solids formed is difficult to effect. The particle formation mechanisms, the ensuing particle size and size distribut...
作者:Clare Murray , Werner Platzer , Jochen Petersen
来源:[J].Minerals Engineering(IF 1.207), 2017, Vol.100, pp.75-82Elsevier
摘要:Abstract(#br)Bioleaching of chalcopyrite is only possible in the presence of thermophilic micro-organisms. While suitable conditions can be generated within a heap naturally through the exothermic reaction, the effectiveness of the process can be improved with an additional ...
作者:... Mervyn K. Kiel , Robert I. Clark , Jochen Petersen
来源:[J].Minerals Engineering(IF 1.207), 2017, Vol.101, pp.58-70Elsevier
摘要:Abstract(#br)At the Kipoi copper/cobalt operation in the Democratic Republic of the Congo, the coarse fraction of the floating product from a heavy media separation (HMS) plant is being heap leached. The macro-scale performance observed in laboratory columns is compared to t...
作者:Petrus J. van Staden , Andrei V. Kolesnikov , Jochen Petersen
来源:[J].Minerals Engineering(IF 1.207), 2017, Vol.101, pp.47-57Elsevier
摘要:Abstract(#br)A method is provided for deriving the average macro-scale batch leaching kinetics of ore on a commercial heap on which portions of the heap (or cells) possess a range of leaching ages due to irrigation commencing while stacking is still in progress. It has been desig...
作者:... Mervyn K. Kiel , Robert I. Clark , Jochen Petersen
来源:[J].Minerals Engineering(IF 1.207), 2017, Vol.101, pp.58-70Elsevier
摘要:Abstract(#br)At the Kipoi copper/cobalt operation in the Democratic Republic of the Congo, the coarse fraction of the floating product from a heavy media separation (HMS) plant is being heap leached. The macro-scale performance observed in laboratory columns is compared to t...
作者:Kathija Shaik , Jochen Petersen
来源:[J].Hydrometallurgy(IF 2.169), 2017Elsevier
摘要:Abstract(#br)This study investigates the effectiveness of a combined thiocyanate-cyanide leach system in Pt and Pd containing minerals with a view to simplifying the traditional smelt-matte-refine process for PGE recovery by providing a route that is potentially more economi...
作者:Petrus J. van Staden , Andrei V. Kolesnikov , Jochen Petersen
来源:[J].Minerals Engineering(IF 1.207), 2017, Vol.101, pp.47-57Elsevier
摘要:Abstract(#br)A method is provided for deriving the average macro-scale batch leaching kinetics of ore on a commercial heap on which portions of the heap (or cells) possess a range of leaching ages due to irrigation commencing while stacking is still in progress. It has been desig...
作者:James M. Mwase , Jochen Petersen
来源:[J].Hydrometallurgy(IF 2.169), 2017, Vol.172, pp.1-10Elsevier
摘要:Abstract(#br)The mineral sperrylite (PtAs 2 ), unlike other Pt minerals, has shown to be resistant to cyanide leaching, even at elevated temperatures of 50 °C. This has prevented further development of a two-stage heap leaching process, of which the second stage is cyanide l...

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