المنتجات الساخنة
Resource sovereignty, marine phosphate mining and
网页2019年7月24日Dec 2021 Alex Midlen View Show abstract Moreover, artisanal and small-scale fisheries never developed in Namibia, due to
Contact
Phosphorus mining from eutrophic marine environment
网页2022年7月1日This review highlights the importance of phosphorus mining for promoting blue economy, current global marine eutrophication problem, and deep technical
Contact
Phosphate mining, corporate social responsibility and
网页2020年1月1日Mining is mainly characterised by phosphate estimated at several billion tonnes, thus allowing the country to occupy a global leading position with three-quarters
Contact
Marine phosphate project being progressed in line with court
网页2022年2月8日JOHANNESBURG (miningweekly) Steps are being taken to progress the Sandpiper marine phosphate project offshore of Namibia in compliance with last
Contact
Socio-Economic Benefits of a Phosphate-Based
网页The marine phosphate mining industry presents a realistic and sustainable economic growth opportunity to direct increased investment to Namibia, and revive economic growth, with proven potential to create long-term
Contact
BRIEF OVERVIEW OF POTENTIAL ECOSYSTEM IMPACTS OF
网页In this report, the potential effects of marine phosphate (or any similar bulk sediment) mining operations on marine ecosystems in the Western Cape province of South Africa
Contact
Sandpiper Marine Phosphate Project, Atlantic Ocean
网页2012年4月3日Minemakers (42.5%), UCL Resources (42.5%) and Tungeni Investments (15%) Geology Type Miocene sedimentary ooliths and pellets containing calcium carbonate and phosphate Mineral Phosphate
Contact
Marine phosphate mining Centre for Environmental
网页Marine phosphate mining would have severe and irreversible impacts on marine ecosystems and fishery resources and associated jobs, livelihood and security
Contact
Background Centre for Environmental Rights
网页Marine Spatial Planning; Marine Phosphate Mining. Background; Prospecting rights in South Africa; What is bulk marine sediment mining? Environmental and socio-economic impacts; Legal and governance
Contact
Phosphate Mining Sustainability Predicted by New
网页2019年9月13日A new model can predict conservation outcomes for sustainable phosphate mining. Phosphorus plays a vital role in the world’s production; it is a mineral that is a key ingredient in most
Contact
(PDF) Resource sovereignty, marine phosphate
网页2019年7月24日Resource sovereignty, marine phosphate mining and the blue economy in Namibia. July 2019; Journal of Political Ecology 26(1):381-402; Western African states (Gires se 2007: 245, 259).
Contact
The impact of phosphorus on projected Sub
网页2022年10月29日We converted elemental phosphorus to both phosphate rock and DAP fertiliser (rock 70% BPL ≈ 32% P 2 O 5; DAP = 46% P 2 O 5) and projected that, under middle of the road SSP2, Sub-Saharan Africa
Contact
Phosphate mining, corporate social responsibility and
网页2020年1月1日Mining is mainly characterised by phosphate estimated at several billion tonnes, thus allowing the country to occupy a global leading position with three-quarters of the world's phosphate reserves. According to recent statistics from the Moroccan Ministry of Energy, Mines and Sustainable Development (2014),Morocco is ranked the third largest
Contact
Cradle-to-gate life cycle assessment of beneficiated phosphate
网页2022年1月21日To improve the sustainable management of phosphorus, numerous LCA studies, using primary data, have been conducted for phosphorus recovery technologies from wastewater, but not for phosphate rock mining.This article addresses this issue by conducting a cradle to gate assessment of beneficiated phosphate rock production
Contact
Efficiency developments in phosphate rock mining over the
网页2015年12月1日The efficiency of phosphate mining is directly related to economic and physical losses and can, in more general terms, be expressed as an output–input ratio. To discuss potential methods of performance measurement of phosphate mining (with performance being evaluated from purely economic to sustainability implications), a
Contact
Phosphate mining pollution in southern Tunisia: environmental
网页2022年8月13日2.1 Geographic and climate settings. The study area is represented by the mining area of Gafsa region in southern Tunisia covering a total surface of about 7800 km 2 (8.7% of the total Tunisian southern province) between 420.000–500.000 m E and 3.780.000–3.835.000 m N (Fig. 1).It is characterized by a dry continental climate with hot
Contact
Seabed Mining Lessons from the Namibian Experience
网页XECUTIVE SUMMARY Until recently, exploiting valuable minerals in deep waters beyond the continental shelf has not been commercially or technologically viable. Closer to shore, limited seabed mining operations have been developed for a range of commodities, including diamonds in Namibia and South Africa, and tin in Indonesia.
Contact
Socio-Economic Benefits of a Phosphate-Based
网页Marine phosphate mining and fertiliser production will improve Namibia’s trade position by generating an additional N$18.7 billion in export earnings, as adjusted to 2016 prices. Trade deficits in the past have placed
Contact
Mining and sustainability: asking the right questions
网页2012年3月1日Attempts to pursue sustainability in the minerals sector have largely focused on reducing impacts at mining and processing sites. The Mineral Resources Landscape (Cooper and Giurco, 2011), offers an expanded conceptualisation of minerals sustainability, spanning production, consumption and recycling and connecting social,
Contact
Environmental Geochemistry of Potentially Toxic Metals in
网页2023年6月23日Deposits of mining wastes from phosphate treatment processes represent one of the main sources of potentially toxic metals (PTMs) contamination in mining environments [3,62,63]. The concentrations of potentially toxic metals (PTMs) in raw phosphate, commercial products, and mining wastes were determined in order to
Contact
(PDF) Resource sovereignty, marine phosphate
网页2019年7月24日Resource sovereignty, marine phosphate mining and the blue economy in Namibia. July 2019; Journal of Political Ecology 26(1):381-402; Western African states (Gires se 2007: 245, 259).
Contact
The impact of phosphorus on projected Sub
网页2022年10月29日We converted elemental phosphorus to both phosphate rock and DAP fertiliser (rock 70% BPL ≈ 32% P 2 O 5; DAP = 46% P 2 O 5) and projected that, under middle of the road SSP2, Sub-Saharan Africa
Contact
Phosphate mining, corporate social responsibility and
网页2020年1月1日Mining is mainly characterised by phosphate estimated at several billion tonnes, thus allowing the country to occupy a global leading position with three-quarters of the world's phosphate reserves. According to recent statistics from the Moroccan Ministry of Energy, Mines and Sustainable Development (2014),Morocco is ranked the third largest
Contact
Cradle-to-gate life cycle assessment of beneficiated phosphate
网页2022年1月21日To improve the sustainable management of phosphorus, numerous LCA studies, using primary data, have been conducted for phosphorus recovery technologies from wastewater, but not for phosphate rock mining. This article addresses this issue by conducting a cradle to gate assessment of beneficiated phosphate rock production
Contact
Efficiency developments in phosphate rock mining over the
网页2015年12月1日The efficiency of phosphate mining is directly related to economic and physical losses and can, in more general terms, be expressed as an output–input ratio. To discuss potential methods of performance measurement of phosphate mining (with performance being evaluated from purely economic to sustainability implications), a
Contact
Namibian Marine Phosphate Ltd (Pty)
网页Namibian Marine Phosphate (Pty) Ltd (NMP) is developing a world class phosphate project off the coast of Namibia that will establish Namibia as a premier rock phosphate producer in the global market, contributing significantly to the Namibian economy and supporting ongoing crop production through the provision of phosphorus for fertiliser.
Contact
Phosphate mining pollution in southern Tunisia: environmental
网页2022年8月13日2.1 Geographic and climate settings. The study area is represented by the mining area of Gafsa region in southern Tunisia covering a total surface of about 7800 km 2 (8.7% of the total Tunisian southern province) between 420.000–500.000 m E and 3.780.000–3.835.000 m N (Fig. 1).It is characterized by a dry continental climate with hot
Contact
Socio-Economic Benefits of a Phosphate-Based
网页Marine phosphate mining and fertiliser production will improve Namibia’s trade position by generating an additional N$18.7 billion in export earnings, as adjusted to 2016 prices. Trade deficits in the past have placed
Contact
Mining and sustainability: asking the right questions
网页2012年3月1日Attempts to pursue sustainability in the minerals sector have largely focused on reducing impacts at mining and processing sites. The Mineral Resources Landscape (Cooper and Giurco, 2011), offers an expanded conceptualisation of minerals sustainability, spanning production, consumption and recycling and connecting social,
Contact
Environmental Geochemistry of Potentially Toxic Metals in
网页2023年6月23日Deposits of mining wastes from phosphate treatment processes represent one of the main sources of potentially toxic metals (PTMs) contamination in mining environments [3,62,63]. The concentrations of potentially toxic metals (PTMs) in raw phosphate, commercial products, and mining wastes were determined in order to
Contact