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Showing: 1 to 10 of 14 matches for "Hackl"  Page   1   2 TITLE Operating a Commercial-Scale Bioleach Reactor at the Congress Gold Property  SUMMARY ... at the Congress gold property Ralph P. Hackl ... Lab and pilot plant tanks used for previous projects (Hackl et al., 1989) were transported to ... AUTHOR Hackl, Ralph P. PUBLISHED 1990 TITLE Finite-Element Modeling Of Cable-Bolted Stopes In Hard-Rock Underground Mines  SUMMARY ... 19x6. when thccntirc hack coIl;[sccl.Thc hackl'illingsyselnon the 36-1 hori/on \bits hcng installccl at (he tinc of the collapse. ... AUTHOR Mitri, H. S. ; Edrissi, R. ; Henning, J. G. PUBLISHED 1996 TITLE Operation Of A Commercial Scale Bioleach Reactor At The Congress Gold Property  SUMMARY ... The conventional 45" pitched blade had been used successfully at high rotational/ tip speeds ina previous bioleach pilot project (Hackl et al., 1989) . ... AUTHOR Hackl, Ralph P. PUBLISHED 1990 TITLE Bacterial Oxidation of the Olympias Arsenical Pyrite Concentrate  SUMMARY ... of authors indicate that a variety of refractory ores and concentrates are amenable to bacterial oxidation (Atkins, 1978; Bruynesteyn and Hackl, 1985; Drossou ... AUTHOR Adam, K. ; Stefanakis, M. ; Kontopoulpus, A. PUBLISHED 1989 TITLE Tunnelling Concepts for Heterogeneous and Weak Rock  SUMMARY ... only be mastered by shield methods. REFERENCES Hackl E., 1974, “Erfahrungen aus dem Vorfrieb des Tauerntunnels”, Rock Mechanics 6, 81-90, 1974 ... AUTHOR Golser, Johann ; Riedmuller, Gunther ; Schubert, Peter PUBLISHED 1993 TITLE Electrochemical Behavior Of Arsenopyrite In Alkaline Media  SUMMARY ... ores and concentrates (Van Weert et al., 1987; Berezowsky and Weir, 1983; Kunteret al., 1987; Muiret a]., 1984; Lawrence and Bruynesteyn, 1983; Hackl et al ... AUTHOR Sanchez, V. M. ; Hiskey, J. B. PUBLISHED 1992 TITLE Microbial pretreatment of refractory sulfide and carbonaceous ores improves the economics of gold recovery  SUMMARY ... of product recovery and process economics (Fridman and Savari, 1983; Livesy-Goldblatt et al., 1983; Karavaiko et al., 1985; Gilbert et al., 1986; Hackl et al ... AUTHOR Hutchins, S. R. ; Brierley, J. A. ; Brierley, C. L. PUBLISHED 1988 TITLE Reactions Of Gold And Sulphide Minerals In Cyanide Media  SUMMARY ... the lead hydroxide is probably related to the establishment of a steady state dissolution layer that forms on chalcopyrite surfaces during leaching (Hackl, 1995 ... AUTHOR Deschênes, G. ; Pratt, A. ; Riveros, P. ; Fulton, M. PUBLISHED 2002 TITLE Leaching and Decomposition of Sulfide Minerals  SUMMARY Page 1. Chapter 31 LEACHING AND DECOMPOSITION OF SULFIDE MINERALS by Ernest Peters and Fiona M. Doyle Professor, The University of ... AUTHOR Peters, Ernest ; Doyle, Fiona M. PUBLISHED 1989 TITLE Recent Literature on Static Predictive Tests  SUMMARY ... For practical application of the test an automatic titrator is required. The solid sample is crushed to minus 400 mesh (Bruyensteyn and Hackl, 1982). ... AUTHOR Lapakko, Kim PUBLISHED 1992 Showing: 1 to 10 of 14 matches for "Hackl"  Page   1   2 Search Again