Saving Water Tailings
Sulfuric acid baking and water leaching of rare earth …
Semantic Scholar extracted view of "Sulfuric acid baking and water leaching of rare earth elements from coal tailings" by V. Kuppusamy et al. ... Save to Library Save. Create Alert Alert. Cite. Share. 14 Citations. Background Citations. 4. Methods Citations. 1.
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13 best ways to save water
97.5% of the world's water is locked in seas and oceans, too salty for human use. And most of the remaining 2.5% is in the ice caps. So we humans depend on the tiny bit available as fresh water – an essential natural resource for life. That's why we need to ensure water is kept free from pollutants and save water where we can.
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MANAGEMENT OF TAILINGS: PAST, PRESENT AND FUTURE
For small failures (<100,000 m 3), tailings rich events have a much shorter runout distance (<10 km) than contaminated water (<100 km), but the supernatant water is diluted …
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Preparation and characterization of molybdenum tailings-based water
DOI: 10.1016/J.MATCHEMPHYS.2019.121791 Corpus ID: 198391119; Preparation and characterization of molybdenum tailings-based water storage material @article{Bai2019PreparationAC, title={Preparation and characterization of molybdenum tailings-based water storage material}, author={Zhanying Bai and Kun Li and Xiaopeng Ma and Zhong …
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Efficient Use of Water in Tailings Management: New …
Nowadays, many major copper mining projects in desert areas with extremely dry climates, as in northern Chile and the southern coast of Peru, process sulfide ores at high production rates; in some cases over 100,000 metric tonnes per day (mtpd), generating large amounts of tailings, that are commonly managed and transported to tailings storage facilities …
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Water recovery improvement by shearing of gravity-thickened tailings …
In mines present in water-scarce areas, the high-water recovery from paste and thickened tailings results in significant cost savings as compared to recovery from conventional tailings.
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Save Lake Superior Association
The Save Lake Superior Association, begun in 1969, is the oldest citizen group working exclusively to preserve and protect Lake Superior. It was organized to help stop the dumping of taconite tailings into Lake Superior by Reserve Mining, whose tailings were threatening human health and contaminating the water and aquatic life.
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How can copper mines use less water?
Compared to wet tailings dams, this process can reduce net water loss by approximately 40 percent, allowing the water reclaimed from the filter operation to be recycled to the process plant. "Dry stacking may seem less economical in some parts of the world due to the cost of filtration, but less so in arid regions experiencing high water ...
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Synergising water and energy requirements to improve sustainability
The rheology analysis indicated that the coal mine tailings with 65–70% solids are not pumpable and these two options are beyond the scope of this study. The results of the analyses show that the optimal scheme process in terms of water saving, water management, and energy consumption involved tailings with 50% mass solids.
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Introduction to this Special Issue on Tailings Storage
the priority of storage with minimal water in the tailings, either by thickening or by filtration; the convenience of storing tailings properly in mining voids; and. the need to continue to improve monitoring and warning systems for tailings dams and their surroundings. This applies to the varied geotechnical aspects, but especially the ...
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Managing Water to Minimize Risk in Tailings Storage …
Reducing the amount of water in a milled tailings storage facility (TSF) is the primary way to reduce the risk of a catastrophic failure. In addition, a significant factor influencing the permitting and development of new mines, or the expansion of existing mines, is the limited availability of water in some mineral-rich countries, which has led to recent advances in water …
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The Ogallala Aquifer: Saving a Vital U.S. Water Source
A savings of 10 to 15 percent per crop per season spread over millions of acres—"that's a significant amount of water," Clark says. "We may not make the aquifer sustainable, but we may ...
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How to manage tailings efficiently and …
Tailings dewatering – The high capacity filtration solutions enable up to 90% water recovery in tailings. IPS thickeners use up to 10% less chemicals, and due to their compact and efficient design reduce plant footprint …
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Preparation of Environmentally Friendly and Energy-saving …
Preparation of Environmentally Friendly and Energy-saving Autoclaved Aerated Concrete using Gold Tailings ... The use of silicate-rich miner-al tailings produced by metal mines to produce aerated concrete has already been successfully applied in China. ... a final setting time of 220 minutes, and a water consumption of normal consistency of 24. ...
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Introduction to this Special Issue on Tailings Storage
the priority of storage with minimal water in the tailings, either by thickening or by filtration; the convenience of storing tailings properly in mining voids; and. the need to …
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Efficient Use of Water in Tailings Management: New …
Nowadays, many major copper mining projects in desert areas with extremely dry climates, as in northern Chile and the southern coast of Peru, process sulfide ores at high …
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Removal mechanism of phosphorus in water by calcium …
Modification of copper tailings by calcium hydroxide (CCT) Ca(OH) 2 suspensions with different concentrations were added into conical bottles containing CT respectively. The conical bottles were ...
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Saving Water Partnership | Seattle and participating water …
The Saving Water Partnership is an organization comprised of 19 water utilities in King and Snohomish counties that share a common water source. We offer tips, tools, and rebates to help people preserve our region's water for future generations. When we work together to use water wisely, it adds up to make a big difference.
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10 Easy Water-Saving Techniques for a Sustainable Home
When it comes to water-saving techniques, upgrading to a high-efficiency washer is just one step towards a greener lifestyle. To reduce your 's water consumption further, consider using other water-saving appliances, such as low-flow showerheads or toilets. Use Water-Saving Appliances Use Water-Saving Appliances
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Efficient Use of Water in Tailings Management:
The improvements of filtering technologies (pressure and vacuum filtering) in recent years have allowed operational reliability to increase and the development of large capacity filters, reaching in some projects 50,000 metric tonnes per day (mtpd) of filtered tailings [13]. 3.5. Water Recovery from Tailings with Hybrid Technologies (WRHT)
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Tailings facilities: There is scope for more water savings
"Filtered tailings is among the most significant water-saving approaches that can be considered in relation to tailings dams," Meintjes continues. "This can not only improve the recovery of water that is stored interstitially but – by reducing water deposition on the tailings dam – also reduces seepage and evaporation losses.
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Effect of placement water content and dry density on water …
ABSTRACT Uncertainty exists as to the role of placement conditions of filtered tailings on water retention behaviour. In this study, we measured 12 drying and 12 wetting soil water characteristic curves on two filtered tailings with various initial gravimetric water contents and dry densities. Filtered tailings at ≥90% standard Proctor maximum dry density maintained …
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Managing Water to Minimize Risk in Tailings Storage Facility …
Reducing the amount of water in a milled tailings storage facility (TSF) is the primary way to reduce the risk of a catastrophic failure. In addition, a significant factor …
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Water recovery improvement by shearing of gravity-thickened tailings …
Many scholars have claimed that the dewatering of tailings can reduce the costs of the facility, increase the mineral recovery, and save water (Van Berkel, 2007, Boger, 2013, McPhail and Brent, 2007). Thickened tailing technology is advantageous when used for the saving of water in mines.
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17 Proven Ways to Save Water at Home
Save water by using a broom instead of a hose or pressure washer. Keep your sidewalk, driveway, and porch clean by picking a broom up and brushing any debris aside. If something is especially dirty, grab a damp cloth and clean …
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115 Ways to Conserve Water – The Ultimate Guide
110. Implement Water-Saving Regulations. Governments can enact policies that mandate the use of water-saving appliances and fixtures in new buildings and renovations. 111. Subsidies for Water Conservation. Governments can offer subsidies or tax breaks to individuals and companies that implement water-saving practices. 112. Efficient Irrigation ...
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Tailings facilities: There is scope for more water …
Tailings represents a substantial repository of water on most mines, with the volume of water in conventionally thickened slurry amounting to between 0.75 and 1.10 m³ for every ton processed in a metallurgical plant. Of this …
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Potential for CO2 Fixation by Chlorella pyrenoidosa Grown in …
The potential for growth of a unicellular algae, Chlorella pyrenoidosa, in tailings water from an oil sands mining and upgrading operation is explored and minimal growth media for biomass (algae) production is designed and optimized and a preliminary engineering estimate of the potential for CO2 fixation is done. Discharge of process water into tailings ponds is …
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Use of real options to enhance water-energy nexus in mine tailings …
A mine water reduction model was introduced by Gunson and coauthors [1] to improve the mine water system performance in a copper mine plant by comparing scenarios of water reduction with the base scenario that does not consider water savings. Scenarios include tailings dewatering technologies, and water conservation options.
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Influence of filling materials on mechanical properties of …
Fissured rocks deteriorate with increasing water content, and the mechanical behavior is significantly influenced by the filling materials within their fissures. Understanding the effects of tailings water on the mechanical properties and failure modes of rocks under different filling conditions is crucial for assessing the stability of tailings ponds. In this study, uniaxial …
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