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The Proceedings of

the First (1995) ISOPE

Ocean Mining Symposium

 

 

 

OCEAN MINING PROJECTS AND PROGRAMS SURVEY MINING SYSTEM AND TECHNOLOGY MATERIALS AND PROCESSING ENVIRONMENT

 

 

Tsukuba, Japan

1995

 

Copyright Ó 1995 by International Society of Offshore and Polar Engineers,

Golden, Colorado, USA All Rights Reserved.

 

ISBN 1-880653-21-4: 978-1-880653-21-0

LCCN 95-77708

www.isope.org; info@isope.org

 

 

 

International Society of Offshore and Polar Engineers (ISOPE)

P.O. Box 189, Cupertino, California 95015-0189, USA

CONTENTS

 

INVITED SESSION PAPERS

 

National Program and Overview

 

Deep Ocean Resource Development Program of Korea

H. S. Kim                                                                                                                 1

 

InterOceanMetal Joint Organization: Achievements and Challenges

R. Kotlinski                                                                                                              5

 

Current Status of Deep-sea Mineral Resources Development in Japan

A. lnokuma                                                                                                              9

 

Survey

 

Exploration Inputs for Exploitation of Manganese Nodules in Central Indian Basin

R. Sharma and R. R. Nair                                                                                       15

 

Mining System and Technology

 

Assessment of Options in Design of Deep-Ocean Mining Pipe Systems

J. S. Chung                                                                                                             23

 

NIRE's Research in Ocean Mining

M. Kuriyagawa                                                                                                       31

 

Environment

 

The German Environmental Impact Research for Manganese Nodule Mining in the SE Pacific Ocean

H. Thiel and Forschungsverbund Tiefsee-Umweltschutz                                       39

 

Overview "Japan Deep-Sea Impact Experiment = JET"

T. Fukushima                                                                                                          47

 

 

GENERAL SESSION PAPERS

 

Mining System and Technology

 

Preliminary Geotechnical Properties of Deepsea Sediments from the Central Indian Basin

N. H. Khadge                                                                                                           55

 

Simulation Study on Motions of a Towed Collector for a Manganese Nodule Mining System

H. Yasukawa. K.lkegami and T. Minami                                                                 61

 

Three Dimensional Analysis on Behaviour of Mining Pipe of Deep Seabed Mineral Resources

S. Hong                                                                                                                    69

 

Studies on the Optimum Shape of Buffer for Reducing the Longitudinal Vibration

of a Pipe String for Mining Manganese Nodules

K. Aso. K. Kan and H. Doki                                                                                    75

 

Chaotic Heave Motion of Marine Cable-body Systems

S. Huang and D. Vassalos                                                                                        83

 

Study of the CLB Mining System for Nodule & Crust Recovery

Y. Masuda and M. J. Cruickshank                                                                           91

 

Survey

 

Influence of Bathymetry in Manganese Nodule Pilot Mine Site Selection:

A Case Study from the Central Indian Basin

V. N. Kodagali                                                                                                          99

 

Integration of Deeptow Data for Mapping of Deepsea Resources

R. Sharma, S. J. Sankar, M Sudhakar and T. Ramprasad                                      105

 

Nodule Size: An Important Factor in Nodule Mining?

A. B. Valsangkar                                                                                                     113

 

Influence of Distribution Characteristics and Associated Seabed Features on

Exploitation of Cobalt-Rich Manganese Deposits

T. Yamazaki, R. Sharma and K. Tsurusaki                                                              119

 

Formation Patterns and Preservation Condition of Polymetallic Nodule

L. Dehua                                                                                                                  125

 

Deep-Sea Mineral Resources in the Northwest Pacific Ocean: Geology, Geochemistry, Origin and Exploration

A. Usui and K. lizasa                                                                                               131

 

Resource Potential of Hydrothermal Activities on the East Pacific Rise (8N-14N)

N. Okamoto and Y. Matsuura                                                                                 139

 

Environment

 

Behavior of Sediment-Laden Negative Buoyant Jet in Flow

K. Fujisaki and H. Ogata                                                                                        149

 

Numerical Modeling of Sediment Transport Caused by the Deep-sea Mining

W. Zielke, J. A. Jankowski, J. Sundermann and J. Segschneider                            157

 

DISCOL -Disturbance and Recolonization Experiment of a Manganese Nodule Area

of the Southeastern Pacific

G. Schriever                                                                                                             163

 

Environmental Study on the Deep-sea Mining of Manganese Nodules in the

Northeastern Tropical Pacific

K. Taguchi, K. Nakata, A. Aoki and M. Kubota                                                      167

 

Deep Sea Sediment Resuspension System Used for the Japan Deep Sea Impact

Experiment

B. Barnett and H. Yamauchi                                                                                     175

 

Preliminary Results of Meiofauna and Bacteria Abundance in an Environmental

Impact Experiment

T. Kaneko(Sato), K. Ogawa and T. Fukushima                                                       181

 

Chemical and Radiochemical Studies of Sediment Samples from the JET Site

K. Harada, Y. Shibamoto and H. Kokubun                                                              187

 

Materials and Processing

 

Reduction Leaching of Manganese Nodules with Sodium Sulfite in Ammonium

Chloride Solution

K.-S. Choi and J.-W. Sohn                                                                                        193

 

Bioleaching of Marine Manganese Nodules by Acidophilic Sulfur-Oxidizing Bacteria

Y. Konishi and S. Asai                                                                                               201

 

Carbon Dioxide Fixing-Type Hydrogen Reduction Leaching of Deep-Sea Oxide

Minerals Using a Pt/PTFE Catalyst in Ammonium Carbonate Solution at Moderate Temperature and Atmospheric Pressure

T. Konta, T. Ohkoshi, T. Yoshioka and A. Okuwaki                                                207

 

Leaching of Cobalt-Rich Ferromanganese Crust with Ammoniacal Solutions Using Ammonium Sulfite and Ammonium Thiosulfate as Reducing Agents

M. Niinae, C.-H. Park, Y. Nakahiro, T. Wakamatsu and J. Shibata                       211

 

Development for Hydrometallurgieal Process of Cobalt Rich Crusts

N. Rokukawa                                                                                                           217

 

The Adsorption Behavior of Copper Ion on Manganese Nodules

K.-H. Park, B.-S. Roh and D .J. Kim                                                                       223

 

 

INVITED SESSION PAPERS

 

National Program and Overview

 

Indonesia's Ocean Resource Developments

Kuntoro Mangkusubroto                                                                                         229