Background and aims Mine tailings are challenging substrates for ecological restoration, as the establishment of diverse native plant communities can be constrained by a range of edaphic factors.
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Phytostabilization of mine tailings is a promising remedial technology but requires further research to identify factors affecting its long-term success by expanding knowledge of suitable plant species and mine tailings chemistry in ongoing field trials.
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The goal of this study was to identify the edaphic factors, including microbiology, affecting the establishment of plant species with contrasting growth patterns during the phytomanagement of a mine tailings …
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Oct 01, 2020 we studied the effect of pine fascine construction on plant establishment in a mine tailing from cartagena-la uni n mining district (se spain; 30 s 689151 e, 4164433 n). the area is a coastal mountain range shaped by metamorphic nappes, limestones and igneous rocks where different heavy metals (iron, copper, lead, zinc, manganese, etc.) have ...
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Other wetland plant species that have been found to grow on mine tailings and are known ... to factors affecting sediment nutrient availability. ... with aquatic plant establishment to control ...
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Factors affecting vegetation establishment the principal factors affecting seedling establishment and plant growth in mine waste rock and tailings materials are spoil stability, moisture retention, drainage, fertility, soil temperature, surface crust formation, heavy metal toxicity, pan formation in materials, salinity and acidity.
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Aug 13, 2015 although abiotic factors pose significant constraints for plant establishment in mine tailings 50, the development of microbial diversity is also crucial to facilitate and sustain plant …
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Jul 08, 2019 the scale and type of mining impacts along with environmental factors affect a mine site’s ability to achieve rehabilitation targets. in australia, many mine sites exist in environmentally challenging conditions where physical resources such as nutrient-rich soil and regular rainfall are limited.
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The engineering characteristics of tailings are in most instances influenced by the degree of thickening and the method of deposition. it is therefore essential that while investigating the properties of tailings that the physical characteristics and material parameters (e.g. beach slope angles, particle size segregation, water recovery) that can occur as a result of varied deposition ...
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Jul 19, 2019 the practice of dewatering tailings, however, is still limited to few areas globally. according to metso’s analysis, only ~5% of tailings generated in …
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Small mobile tailings plant and the cost involved . tailings conveyors dam md . tailings concasage of river pebbles. mining for the future appendix h: ok tedi riverine , mine is situated in the fly river catchment, in the headwaters of the ok tedi river in the , limestones and other calcareous rocks (minerals council of australia, 2000) , and a ...
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Open‐cast mining reclamation strategies are focused on the identification of the environmental factors at different scales that facilitate the vegetation establishment and development. here, we characterised the environmental factors at macro‐scale and micro‐scale that influenced the herbaceous richness and biomass accumulation patterns ...
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Encouraging woody plant colonization on iron mine tailings in new york. 5th ann. canadian land reclamation assoc., timmons, ontario. 13pp. nawrot, j. r. 1981. stabilization of slurry impoundments without soil cover: factors affecting vegetation establishment.
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Factors affecting plant establishment on mining tailings the effect of polytrichum piliferum on seed … seedling establishment on iron mine tailings in new york state's adirondack park was studied to determine if cover by the bryophyte polytrichum piliferum hedw. facilitated or inhibited seed germination and seedling survival, relative to ...
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Feb 15, 2019 factors affecting tsf engineering. among the factors affecting tsf engineering since about 1980, has been the ongoing focus on finer grind of material in the metallurgical process, to reduce particle size to increase extraction. this continuing focus on finer grind has had a very significant impact on tailings seepage flow, compressibility, and ...
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Mar 23, 2019 mine waste sediments were sampled following a diagonal transect across tailings dams, overburden dump sites and the local forest soil from the top layer (0–20 cm) using a closed auger. samples were analyzed for arsenic, barium, lead, cadmium, cobalt, copper, chromium, nickel, vanadium, and zinc as well as for soil physico-chemical properties.
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For this type of disposal it is therefore more efficient to dewater the tailings at the plant (davies and rice 2001). the distance to the tailings storage facility from the plant and the difference in elevation between these two locations can have a significant effect on the capital expenditure and the operating costs of tailings storage.
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A tailings storage facility is a facility used to contain tailings. this can include a tailings dam (impoundment and pond), decant structures and spillways. a tailings storage facility can also be open pits, dry stacking, lakes or underground storages. a tailings dam is a tailings embankment or a tailings disposal dam. the term
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Take a gold mine as an example, the natural gold of this gold mine has a relatively fine particle size, and it becomes micrograined gold, 0.037~0.01mm accounting for 56.32%, while the part less than 0.01mm accounts for 36.80%. it is intergranular embedded in various minerals.
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Factors affecting the selection of site for dams. apart from the construction of the dam, selecting proper site for the dam is very crucial. selecting the proper site will help carrying out construction of the strong dam and it will also help reduce risks due to natural disasters like earth quake.
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Conclusions: phytostabilization of mine tailings is a promising remedial technology but requires further research to identify factors affecting its long-term success by expanding knowledge of suitable plant species and mine tailings chemistry in ongoing field trials. kw - arid. kw - mine tailings. kw - phytostabilization. kw - remediation
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Tailings consist of ground rock and process effluents that are generated in a mine processing plant. mechanical and chemical processes are used to extract the desired product from the run of the mine ore and produce a waste stream known as tailings. this process of …
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On a global scale, the demand for mineral products has increased substantially with economic development. consequently, the mining of mineral resources results in the production and accumulation of a large number of tailings, causing many problems with respect to mining, the environment, and the economy. in the mining process, tailings must be reasonably treated to prevent them from entering ...
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The influence of organic matter for plant establishment on tailings plant growth and survival in sulphide mine tailings are restricted due to several factors. high levels of sulphide minerals such as pyrite may, when exposed to oxidation, decrease ph in the tailings and release toxic levels of metals (ferguson & …
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Abstract: tailings rehabilitation, using soil-like properties with chemical and physical stability, can be influenced by surface forces on a particle scale and microstructure. non-homogeneous structures, manifesting as particle aggregation, alter the permeability/porosity and improve the balance of aerated and water-filled pores that then favours plant growth.
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St proceedings of the 1 annual british columbia mine reclamation symposium in vernon, bc, 1977. the technical and research committee on reclamation 109 research on tailings in british columbia u.b.c. experience presented at the mine reclamation symposium, march 16-18, 1977 vernon, b.c. by l. m. lavkulich department of soil science university of british columbia vancouver, …
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The incorporation of this technology into many gold plant flowsheets today. introduction. interest in the recovery of cyanide . from gold and silver plant tailings has heightened in recent years. this interest has been spurred by several factors: • increasingly stringent regulations throughout the …
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However, the tailings disposal plan involved storing tailings in the taseq lake, which will cause pollution of not only the lake, but the rivers leading from it and the ocean beyond. fluorine, heavy metals, and radioactive decay products would all be introduced into the lake by these tailings (schuler et al, 2011).
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Mining contributes to the economies of many developing countries; however, the wealth may not reach local communities. responsible miners often seek to contribute to local development, but they face a number of challenges, including unrealistic expectations and a plethora of deserving projects.
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6 factors affecting hydrocyclone efficiency xinhai 2020-05-14 (10:05:42) 381 0 warm tip: if you want to know more details about equipment, solutions, etc, please click the button below for free consultation, or leave your requirements!
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Acid mine drainage can contaminate drinking water and affect aquatic and plant life if it gets into surface or ground waters. the nature and extent of actual environmental damage caused by solid mine wastes and, in turn, acid mine drainage vary enormously from case to case, depending on several factors.
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