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Keywords: nickel
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Proceedings Papers

Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-049
... with an organic solvent, extracting additional useful components such as molybdenum, precious metals, Platinum group metals and rare earth elements. preparation pyrite pulp nickel autoclave copper cipimm separation precipitation molasses metals & mining polymetallic nodule rip process...
Proceedings Papers

Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-070
... ABSTRACT During pyro-reduction smelting of manganese deep sea nodules from the Clairon Clipperton zone in the Pacific Ocean the copper, nickel and cobalt are concentrated in intermediate product - polymetallic alloy. Characteristic property of the alloy is its high content of iron (65.90...
Proceedings Papers

Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-071
...; C and the leaching solution with more than Cu 9g/L, Ni 13g/L, and Co 3.5g/L, the average leaching extractions of nickel, cobalt and copper are 94%, 86% and 93% respectively in continuous leaching process. monoxide concentration jiang xunxiong nickel reduction ammonia polymetallic nodule...
Proceedings Papers

Paper presented at the Ninth ISOPE Ocean Mining Symposium, June 19–24, 2011
Paper Number: ISOPE-M-11-026
... process of manganese nodule to recovery valuable metals containing in this materials. The nickel in the spent Ni-Cd battery could be recovered with adding 5% coke as a reducing agent regardless of the amount of battery added. However, to recover cobalt from the spent catalyst, it is required to add more...
Proceedings Papers

Paper presented at the Ninth ISOPE Ocean Mining Symposium, June 19–24, 2011
Paper Number: ISOPE-M-11-036
... ABSTRACT : This paper compares the economic feasibility of two deep seabed mining deposits, manganese nodules and cobalt crust using a new quantitative indicator, the cobalt/nickel price ratio, that verifies the equality between the net present value (NPV) of the two resources. NPV is based...
Proceedings Papers

Paper presented at the Eighth ISOPE Ocean Mining Symposium, September 20–24, 2009
Paper Number: ISOPE-M-09-007
..., which contains many valuable elements such as cobalt, nickel, copper and manganese. BGRIMM performs continuous test with SO2 reduction and H2SO4 leaching. In the continuous test process, we further perfect process flow, optimize process conditions, The percentages of leached Co, Ni, Mn and Cu are 99.3...
Proceedings Papers

Paper presented at the Eighth ISOPE Ocean Mining Symposium, September 20–24, 2009
Paper Number: ISOPE-M-09-049
... ABSTRACT: Polymetallic (Manganese) nodules attracted the attention of world community in the mid sixties as a potential economic resource of strategic minerals like Copper, Nickel and Cobalt. Since then both industrialized and developing countries have become increasingly aware of the economic...
Proceedings Papers

Paper presented at the Eighth ISOPE Ocean Mining Symposium, September 20–24, 2009
Paper Number: ISOPE-M-09-036
... sea nodule metallic state oxide composition reduction manganese nickel carbon cobalt alloy slag recovery manganese nodule reductant recrystallized alumina crucible india mn fe ratio metals & mining nodule Recovery of Cu, Ni, Co and Mn from Sea Nodules by Direct...
Proceedings Papers

Paper presented at the Eighth ISOPE Ocean Mining Symposium, September 20–24, 2009
Paper Number: ISOPE-M-09-028
... liquor of manganese nodule the leach liquor contained copper, nickel, cobalt and zinc in solution. After stripping of ammonia, the metal values were precipitated using sodium sulphide. The leach liquor obtained after dissolution of this bulk sulphide contains 204.59 mol/m3 Cu, 40.83 mol/m3 Zn, 33.94 mol...
Proceedings Papers

Paper presented at the Seventh ISOPE Ocean Mining Symposium, July 1–6, 2007
Paper Number: ISOPE-M-07-033
... nickel interoceanmetal chemical composition international seabed authority composition iom exploration area kotlinski mineral eastern part eastern clarion-clipperton zone nodule abundance nodule surface nodule exploration area clarion-clipperton zone concentration abundance...
Proceedings Papers

Paper presented at the Fourth ISOPE Ocean Mining Symposium, September 23–27, 2001
Paper Number: ISOPE-M-01-031
... ABSTRACT: Three step solvent extraction process has been developed for processing the leach liquor generated via NH 3 / SO 2 leaching route for ocean nodules. The sulphate leach liquor contains number of impurities like iron, copper and zinc in addition to nickel and cobalt, the metals...
Proceedings Papers

Paper presented at the Third ISOPE Ocean Mining Symposium, November 8–10, 1999
Paper Number: ISOPE-M-99-037
... ABSTRACT: Polymetallic sea nodules are the potential sources of copper, nickel, cobalt and manganese. As the land based resources of these metals are depleting very fast, a considerable R&D effort have been made all over the world to extract the metals from the sea nodules during the past...
Proceedings Papers

Paper presented at the Third ISOPE Ocean Mining Symposium, November 8–10, 1999
Paper Number: ISOPE-M-99-039
... metals & mining leach liquor raffinate product solution downstream oil & gas solvent extraction percentage loss precipitation equilibrium ph extraction nickel impurity isodecanol recovery separation factor copper cobalt product solution cobalt kerosene Proceedings...
Proceedings Papers

Paper presented at the Third ISOPE Ocean Mining Symposium, November 8–10, 1999
Paper Number: ISOPE-M-99-034
... polymetallic nodules have been given in this paper. The small scale and large scale tests were carried out to extract Ni Co Cu Mn & Fe from the nodules. The totals metals recoveries in ;hol~ process of small scale test· from nodule ore to the products(electrolytic copper, electrolytic nickel, Mn-rich slag...
Proceedings Papers

Paper presented at the Third ISOPE Ocean Mining Symposium, November 8–10, 1999
Paper Number: ISOPE-M-99-040
...Proceedings ofthe Third (1999) Ocean Mining Symposium Goa, India, November 8-10,1999 Copyright © 1999 by The International Society ofOffihore and Polar Engineers . ISBN 1-880653-45-1 Simultaneous Spectrophotometric Estimation of Iron, Copper, Cobalt and Nickel in Ocean Nodule Leach Liquor M.V. Rane...
Proceedings Papers

Paper presented at the Third ISOPE Ocean Mining Symposium, November 8–10, 1999
Paper Number: ISOPE-M-99-041
... ABSTRACT: Nickel and cobalt are a pair of critical strategic materials with widespread utility. However, scarcity of their primary resources has led to an intense search for alternate resources. This paper discusses some of the flowsheets developed in our laboratory to recover these metals...
Proceedings Papers

Paper presented at the Second ISOPE Ocean Mining Symposium, November 24–26, 1997
Paper Number: ISOPE-M-97-029
... tem~ratun, reaclion time, agitadon speed and particle size on the leaehing rate of metal is discussed based on the model and the upe.rimental results. Nickel utraction was found 10 be \"try dependent on temperature and independenl of the acid concentration. Copper appears to be chemically adsorbed...
Proceedings Papers

Paper presented at the Second ISOPE Ocean Mining Symposium, November 24–26, 1997
Paper Number: ISOPE-M-97-004
... ABSTRACT: From 1989 to 1996, Metal Mining Agency of Japan (MMAJ) performed studies on the recovery of iron, manganese copper and nickel from manganese nodules under the commission of the Ministry of International Trade and Industry. After investigating existing processes and comparing...
Proceedings Papers

Paper presented at the Second ISOPE Ocean Mining Symposium, November 24–26, 1997
Paper Number: ISOPE-M-97-031
... ABSTRACT: The ammonia-ammonium carbonate leaching of roast-reduced polymetallic nodules analysing 1.175% copper, 1.625% nickel and 0.116% cobalt was carried out in lock cycle mode. The steady state composition was analysing 2.40 g/L copper, 3.41 g/L nickel and 0.163 g/L cobalt with leach...
Proceedings Papers

Paper presented at the First ISOPE Ocean Mining Symposium, November 21–22, 1995
Paper Number: ISOPE-M-95-032
... and appeared in the residue as (NH4)2Mn(S03)·H20. 1.Introduction Deep-ocean ferromanganese nodules and cobalt-rich ferromanganese crusts arc now widely recognized as potential resources of various metals such as cobalt, nickel and copper. Many nations and groups in the world have been developing mining...

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