scholarly journals Comparison of Environmental Impacts of Deep-sea Tailings Placement Versus On-land Disposal

2019 ◽  
Vol 230 (12) ◽  
Author(s):  
Y. T. John Kwong ◽  
Simon C. Apte ◽  
Gert Asmund ◽  
Michael D. E. Haywood ◽  
Elisabetta B. Morello
Keyword(s):  
Environmental Impacts ◽  
Waste Disposal ◽  
Deep Sea ◽  
Mine Waste ◽  
Viable Option ◽  
Ore Grades ◽  
Land Disposal

AbstractWith increasing metal prices and declining ore grades, new mines are getting larger and mine waste disposal and management have become more difficult, particularly from an environmental perspective. While technologies keep on improving, the available space for terrestrial mine waste disposal is limited. Thus, several coastal countries still consider deep-sea tailings placement (DSTP) as a viable option. This brief review compares the environmental impacts of DSTP versus on-land disposal and suggests several factors to consider in selecting the most suitable options for mine waste disposal.

A numerical calculation method of environmental impacts for the deep sea mining industry – a review

2018 ◽  
Vol 20 (3) ◽  
pp. 454-468
Author(s):  
Wenbin Ma ◽  
Cees van Rhee ◽  
Dingena Schott
Keyword(s):  
Numerical Calculation ◽  
Environmental Impacts ◽  
Calculation Method ◽  
Deep Sea ◽  
Mining Industry ◽  
Mineral Resources ◽  
Gradual Decrease ◽  
The World ◽  
Numerical Calculation Method

Since the gradual decrease of mineral resources on-land, deep sea mining (DSM) is becoming an urgent and important emerging activity in the world.

scholarly journals Economic Viability and Socio-Environmental Impacts of Solar Home Systems for Off-Grid Rural Electrification in Bangladesh

Energies ◽  
2020 ◽  
Vol 13 (3) ◽  
pp. 679 ◽  
Author(s):  
Swati Anindita Sarker ◽  
Shouyang Wang ◽  
K M Mehedi Adnan ◽  
Muhammad Khalid Anser ◽  
Zeraibi Ayoub ◽  
...  
Keyword(s):  
Environmental Impacts ◽  
Low Income ◽  
Net Present Value ◽  
Economic Benefits ◽  
High Rate ◽  
Economic Viability ◽  
Internal Rate Of Return ◽  
Present Value ◽  
Viable Option ◽  
Home Systems

This study conducted a questionnaire-led survey to explore the financial feasibility and socio-environmental impacts of stand-alone solar home systems (SHS) through stratified random sampling. Based on the above consideration, fifteen cases of studies of various watt peak (Wp) capacities have been investigated to evaluate the economic viability of solar home systems. The results revealed that most of the cases have positive net present value (NPV) and low payback periods, with an internal rate of return (IRR) value ranging from 16% to 131%, which signifies a high rate of investment exchange. Solar home systems are economically profitable for micro-enterprises and households with low-income generation activities as opposed to the households using it only for lighting. The study found that solar home systems with a capacity above 30 Wp are the most economically viable option, which can also avoid 6.15 to 7.34 tonnes of CO2 emissions during the 20 years of life-cycle, while providing different applications including lighting, recreation, information, health, and economic benefits.

Fly Ash Application for Reduction of Acid Mine Drainage (AMD) as Runoff and Leachate Released from Mine Waste Disposal Sites

2014 ◽  
Vol 47 (6) ◽  
pp. 533-539
Author(s):  
Se Jin Oh ◽  
Sung Woo Moon ◽  
Seung Min Oh ◽  
Sung Chul Kim ◽  
Yong Sik Ok ◽  
...  
Keyword(s):  
Fly Ash ◽  
Acid Mine Drainage ◽  
Waste Disposal ◽  
Mine Drainage ◽  
Mine Waste ◽  
Acid Mine

SHOULD THE AREA BE MINED? THE PRECAUTIONARY PRINCIPLE AND THE ENVIRONMENTAL IMPACTS ON DEEP-SEA MININGA ÁREA DEVERIA SER MINERADA? O PRINCÍPIO DA PRECAUÇÃO E OS IMPACTOS AMBIENTAIS DA MINERAÇÃO EM FUNDOS MARINHOS

2020 ◽  
Vol 10 (19) ◽  
Author(s):  
Felipe Kern Moreira ◽  
Felipe de Macedo Teixeira
Keyword(s):  
Environmental Impacts ◽  
Precautionary Principle ◽  
Deep Sea ◽  
Document Analysis ◽  
Analysis Procedure ◽  
Mining Activities ◽  
The Precautionary Principle ◽  
International Seabed Authority

The purpose of this paper is to analyze the role of the precautionary principle in the regulations of seabed exploitation activities. In order to do this, it relates the current Mining Code with the events that served as the basis for the Code negotiation. The methodology applied in this research is predominantly qualitative and of the document analysis procedure. The documents examined are the rules and jurisdictional decisions emanated from the International Seabed Authority. In summary, this article analyzes the adoption of the precautionary principle in recent normative and decisional constructions regarding mining activities and environmental impacts in the deep seabed. In conclusion, it is pointed to the construction of a normative arrangement of jurisdictional consolidation of the precautionary principle in the exploration activities of the deep seabed. Moreover, given the uncertain nature of the consequences that mining in the deep seabed will bring, the adoption of the principle arises to ensure the reduction of environmental impacts.

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