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Keywords: copper
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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
... ABSTRACT Copper ions can catalyze reduction of manganese dioxide by carbon monoxide in ammonia solution. The paper studied on the reduction ammonia leaching process of ocean Co-Mn polymetallic ores, such as the polymetallic nodules and the cobalt-rich crust. The self-catalysis reduction...
Proceedings Papers

Paper presented at the Ninth ISOPE Ocean Mining Symposium, June 19–24, 2011
Paper Number: ISOPE-M-11-026
...-leaching process combines classical pyrometallurgical unit operations of the Cu/Ni metallurgy and hydrometallurgical treatments for the final recovery of nickel, copper and cobalt (Sridhar 1976, Thetis 1992). The matte basically contains copper, nickel cobalt, and iron. The slag obtained containing almost...
Proceedings Papers

Paper presented at the Ninth ISOPE Ocean Mining Symposium, June 19–24, 2011
Paper Number: ISOPE-M-11-036
.... is already committed in the commercial exploration of polymetallic sulphides in Papua New Guinea, where the world's first seafloor copper-gold project, Solwara 1, is expected to be operational in 2012. Nonetheless a certain interest in nodules mining is professed by the same private company, whose aim...
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-09-033
... Clipperton zone of the Pacific Ocean. It has been established that the presence of SO 2 in the solution led to selective dissolution of the alloy: Fe, Ni, Co and Mn were extracted in leach solution and copper concentrated into insoluble residue. The chemical composition of the residue in mass % was: 54.9 Cu...
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 Sixth ISOPE Ocean Mining Symposium, October 9–13, 2005
Paper Number: ISOPE-M-05-013
... 2002. Not only the price of iron but also the ones of copper, nickel, cobalt, and manganese quickly rose in the market. Economic growths of Asian countries, especially China, have induced the situation. Results of economic validation analyses of Japan's nodule, crust, and Kuroko-type SMS mining using...
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-99-035
.... facilities to maintain supply.Considering the shares of the metals in the value of a tonne of nodules, manganese is the most important contributor with 50% of the value; nickel is second with 32%, cobalt the third with 10% and copper the last with, only 8%. Thus the annual demand supply situation...
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-95-030
... no ability to attack directly manganese nodules which are comprised mainly of oxides of manganese and iron. Alternatively, there is a unique treatment of manganese nodules with the sulfur-oxidizing bacteria growing on elemental sulfur. The microbial treatment is induced in a combined process. copper...
Proceedings Papers

Paper presented at the First ISOPE Ocean Mining Symposium, November 21–22, 1995
Paper Number: ISOPE-M-95-034
...Proceedillgs ofthe ISOPE Oceall Milling Symposiulll (1995) Tsukuba, Japall, November 21·22, 1995 Copyright © 1995 by The Intematiollal Society ofOffshore alld Polar Ellgilleers ISBN 1·880653-21-4 The Adsorption Behavior of Copper Ion on Manganese Nodules K -ll Park, B. -S. Roll and D. -J. Kim...

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