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Author: Issaoui, Roukaya Publisher: KIT Scientific Publishing ISBN: 3731512483 Category : Languages : en Pages : 254
Book Description
Phosphorus is a crucial element in agriculture to feed the fast-growing global population. Its sustainable supply has ecological, social and human dimensions and it is classified as critical to European industries. On the other side, phosphate can also be critical for the producing countries as phosphate mining contributes to their national economies. This work investigates implications of environmental and social impacts and the resource governance to mitigate global phosphate criticality.
Author: Issaoui, Roukaya Publisher: KIT Scientific Publishing ISBN: 3731512483 Category : Languages : en Pages : 254
Book Description
Phosphorus is a crucial element in agriculture to feed the fast-growing global population. Its sustainable supply has ecological, social and human dimensions and it is classified as critical to European industries. On the other side, phosphate can also be critical for the producing countries as phosphate mining contributes to their national economies. This work investigates implications of environmental and social impacts and the resource governance to mitigate global phosphate criticality.
Author: Roland W. Scholz Publisher: Springer Science & Business Media ISBN: 9400772505 Category : Science Languages : en Pages : 322
Book Description
This book describes a pathway for sustainable phosphorus management via the Global Transdisciplinary Processes for Sustainable Phosphorus Management project (Global TraPs). Global TraPs is a multi-stakeholder forum in which scientists from a variety of disciplines join with key actors in practice to jointly identify critical questions and to articulate what new knowledge, technologies and policy processes are needed to ensure that future phosphorus use is sustainable, improves food security and environmental quality and provides benefits for the poor. The book offers insight into economic scarcity and identifies options to improve efficiency and reduce environmental impacts of anthropogenic phosphorus flows at all stages of the supply and use chain.
Author: United States. Bureau of Land Management. Eastern States Office Publisher: ISBN: Category : Conservation of natural resources Languages : en Pages : 100
Author: Mostafa Benzaazoua Publisher: MDPI ISBN: 3039281720 Category : Science Languages : en Pages : 172
Book Description
The extraction of apatite minerals is becoming more and more crucial with the depletion of high-grade ores. At the same time, many streams of waste are continuously being produced by the phosphate industry, including calcareous and siliceous waste rocks, clayey sludge and phosphogypsum. These waste products are produced in huge volumes reaching a ratio of between 5 to 10 tons of waste per each ton of concentrated phosphate. The management of these waste products is becoming a real issue in terms of growing public awareness and environmental and financial aspects. In addition, phosphate ores are known to contain other critical raw materials (CRM) such as rare earth elements and uranium. The recovery of these vital elements from phosphate waste may help to develop the needs of the green energy of the future and contribute to the achievement of the sustainable development goals. In this Special Issue, insights related to the following aspects were studied: phosphate extraction and beneficiation, novel phosphate ores, the fine characterization of phosphate ores and waste, phosphoric acid production, critical raw material (CRM) recovery from phosphate ores and waste, reprocessing of phosphate wastes and finally the valorization and reuse of phosphate waste and phosphogypsum.
Author: Patrick Zhang Publisher: Society for Mining, Metallurgy & Exploration ISBN: 0873354745 Category : Technology & Engineering Languages : en Pages : 242
Book Description
This compilation from the 2018 Beneficiation of Phosphates Conference includes insights from dozens of internationally respected experts on key breakthroughs that will shape the industry in the years ahead. Learn from the best and the brightest in the industry. The book reflects on the recent impetus for reviewed research in the recovery of rare earth elements from secondary resources. Recovery of rare earth elements from phosphate processing has been one of the important projects of the Critical Materials Institute (CMI). This compilation highlights some of the findings of the CMI phosphate project. Learn how competition in the flotation reagent market has stimulated innovative reagent development work. As a result, new reagents have been formulated and targeted at dolomite flotation, calcite flotation, more selective phosphate flotation, and even flotation in seawater. The Florida phosphate industry is seeing improvements in the processing of high dolomite reserves. Recent encouraging developments include new reagents that can float dolomite without using phosphoric acid as a phosphate depressant, reducing MgO content in the “Crago” flotation concentrate thus allowing blending of some high-dolomite pebbles in the final product, and innovative gravity separation. Topics include: Sustainability and the Environment Comprehensive Extraction and Smart Chemistry Flotation Fundamentals and Reagents Advances in Processing Technology and Equipment
Author: United States. Environmental Protection Agency. Region IV. Publisher: ISBN: Category : Environmental impact statements Languages : en Pages : 732
Author: Patrick Zhang Publisher: Society for Mining Metallurgy ISBN: 9780873353588 Category : Science Languages : en Pages : 379
Book Description
Fueled by climbing food prices, the demand for fertilizers is on the rise. The phosphate industry is responding aggressively by bringing significant projects on line across the globe. But meeting this unprecedented demand comes with a host of challenges: Environmental lawsuits have put a stop to one of the largest phosphate mines in the world. Other operations are closing because of the depletion of phosphate reserve. The increasing proportion of high organic and high dolomite ores has caused beneficiation costs to skyrocket. There is a growing urgency for the sustainable development and recycling of phosphate resources. Beneficiation of Phosphates: New Thought, New Technology, New Development provides a comprehensive look into how industry leaders and the R&D community are responding to these and many other critical issues. Dozens of internationally respected experts provide insights on key breakthroughs that are on the drawing boards or being implemented today that will shape the industry in the years ahead.
Author: Mostafa Benzaazoua Publisher: ISBN: 9783039281732 Category : Engineering (General). Civil engineering (General) Languages : en Pages : 172
Book Description
The extraction of apatite minerals is becoming more and more crucial with the depletion of high-grade ores. At the same time, many streams of waste are continuously being produced by the phosphate industry, including calcareous and siliceous waste rocks, clayey sludge and phosphogypsum. These waste products are produced in huge volumes reaching a ratio of between 5 to 10 tons of waste per each ton of concentrated phosphate. The management of these waste products is becoming a real issue in terms of growing public awareness and environmental and financial aspects. In addition, phosphate ores are known to contain other critical raw materials (CRM) such as rare earth elements and uranium. The recovery of these vital elements from phosphate waste may help to develop the needs of the green energy of the future and contribute to the achievement of the sustainable development goals. In this Special Issue, insights related to the following aspects were studied: phosphate extraction and beneficiation, novel phosphate ores, the fine characterization of phosphate ores and waste, phosphoric acid production, critical raw material (CRM) recovery from phosphate ores and waste, reprocessing of phosphate wastes and finally the valorization and reuse of phosphate waste and phosphogypsum.
Author: J. Hilton Publisher: ISBN: 9780853103059 Category : Phosphate mines and mining Languages : en Pages : 44
Book Description
Phosphorus removed from the land must be recovered and reused/ recycled effectively. In parallel, value streams that come from the process of mining PR and making phosphoric acid can also be exploited, most notably the recovery of uranium from the phosphoric acid for use as a fuel for nuclear energy and the use of the co-product phosphogypsum in agriculture. Accordingly, this paper seeks first a sustainable management approach, derived from linking innovative micro-level 'closed system' concepts about the behaviour of soil and fertiliser P with the macro-level perspective of the efficient use, and reuse, of the global phosphate resource for food and energy security; secondly, it examines risks and benefits in the proposed managed P life-cycle with a view to setting out an achievable, socially acceptable and environmentally sustainable management regime for a resource that might otherwise deplete unnecessarily quickly or even run out. Calculating phosphate reserves and relative depletion rates may be, by contrast, a very elusive issue given a) the extreme commercial sensitivity of the data, and b) the dependency of many developing economies on access to phosphate fertiliser for their agriculture, on the industry's contribution to their national GDP, and on hard currency earnings from sales of rock and phosphate products in the global market.
Author: Patrick Zhang Publisher: ISBN: 9780873354288 Category : Extraction (Chemistry) Languages : en Pages :
Book Description
Fueled by climbing food prices, the demand for fertilizers is on the rise. The phosphate industry is responding aggressively by bringing significant projects on line across the globe. But meeting this unprecedented demand comes with a host of challenges: Environmental lawsuits have put a stop to one of the largest phosphate mines in the world.Other operations are closing because of the depletion of phosphate reserve.The increasing proportion of high organic and high dolomite ores has caused beneficiation costs to skyrocket.There is a growing urgency for the sustainable development and recycling of phosphate resources. Beneficiation of Phosphates: New Thought, New Technology, New Development provides a comprehensive look into how industry leaders and the R&D community are responding to these and many other critical issues. Dozens of internationally respected experts provide insights on key breakthroughs that are on the drawing boards or being implemented today that will shape the industry in the years ahead.
Author: Issaoui, Roukaya
Author: Issaoui, Roukaya
Author: Roland W. Scholz
Author: United States. Bureau of Land Management. Eastern States Office
Author: Mostafa Benzaazoua
Author: Patrick Zhang
Author: United States. Environmental Protection Agency. Region IV.
Author: Patrick Zhang
Author: Mostafa Benzaazoua
Author: J. Hilton
Author: Patrick Zhang