... ABSTRACT Article presents the methodology for operational research on the polymetallic nodules mining value chain and the assessment of crucial factors influencing its feasibility. Value chain has been analyzed and boundary assumptions having a substantial influence on the decision making...

... ABSTRACT Numerical study of the free-fall of a single sphere at different Reynolds numbers has been conducted with Computational Fluid Dynamics(CFD) method based on the engineering concerns of the dynamics of ore particles in vertical pipes in deep sea mining. A combination of Detached Eddy...

... Abstract Growing interest in deep water minerals resources is providing opportunities for both the mining and oil industries. Exploration and production of ocean minerals require synergies between different technologies. In this context appropriate standards are needed to cover both new...

...Development of Technical and Economical Examination Method for Cobalt-Rich Manganese Crusts T. Yamazaki Natl. Inst. of Advanced Industrial Science and Technology, Tsukuba, Japan S.-H. Park and S. Shimada, Univ. of Tokyo, Tokyo, Japan T. Yamamoto, Metal Mining Agency of Japan, Tokyo, Japan ABSTRACT...

... ABSTRACT The technological, ecological and technical-economical principles of the continental shelf deposit mining of solid mineral resources and also the main parameters of the project of marine dressing complexes are given in this paper. The advisability of implementation mining, dressing...

... and Impact Experiment o It T. Yamazaki National Institute for Resources and Environment Tsukuba, Japan Y. Kajitani Metal Mining Agency of Japan Tokyo, Japan ABSTRACT Environmental impact researches for manganese nodule mining have been progressive inmany countries. The current status in the world...

... are explained, the strict observance of the above principles is necessary in working out of new technologies, regulations, tcchrtical conditions and projects of sea mines. The principle propositions of the project of the marine dressing complex of module type and creation of specialized modules for extraction...

... disposal ocean solid waste management scientist engineer assessment impact experiment schriever sediment politician nodule mining experiment reaction deep sea metals & mining energy conservation mining environmental protection thiel radioactive waste environmental study...

... that is presented here, the mining of manganese nodules and the re- lated release of elements like Mn, Pb, Mo, and Cu into the water column are the focus of the study. Observations in the German mining claim in the eastern equatorial Pacific (EEP) show, that concentrations of these elements in the water samples...

... to Potential Impact of Deep-Sea Mining Huai- Yang Zhou Second Institute of Oceanography, State Oceanic Administration Hangzhou, China ABSTRACT It is known that China Ocean Mineral Resources R & D Association (COMRA), a "pioneer investor" registered by UN Seabed Authority in 1991 and a national organizer...

... The paper critically reviews the presently available experimental data from various tests and experiments connected with the deepsea mining issue with regard to their feasibility in supporting and validating the developed numerical models. Numerical modelling is applied mainly to predetermining...

... Untraditional and Ecologically Good Methods of Coal Mining Under Sea Bed Yu. Niskovskiy Far Eastern State Technical University A. Vasianovich JSC "Primorskugol" Vladivostok, Russia ABSTRACT Some fields of the mines being in operation in the Far East do not border upon the shelf of the Okhotskoye, Japan...

...Proceedings of the Fifth (1995) IfltematiofllJlOf/sllore and Poilu Engineering Conference The Hague, The Netberltuuls, June 11-16, 1995 Copyright © 1995 by The IfltematiofIIJI Society of Of/shore and Poilu Engineers ISBN 1-880653-16-8 (Set); ISBN 1-880653-17-6 (Vol I) Deep Seabed Mining...

... ABSTRACT: Mining has been high on the Antarctic agenda for two decades. The Antarctic Treaty Nations have recently moved away from plans to regulate mining towards a legal prohibition. Over the same decades metal mines have been developed in the Arctic. As much as anything, the long term...

... AND ASSESSMENT FOR DEEP OCEAN MINING PROGRAMME Sucharit Markanday and T.R.P. Singh Engineers India Ltd. New Delhi, India AREA OF INTEREST The CIOB lies between the Chagos-Laccadive/ Central Indian Ridges on the West and the Ninety East Ridge in the East. The depths vary between 4200 M to 5500 M (Figure 1). DATA...