Apr 24, 2017 0183 32 Mining operations often contaminate the soil with toxic heavy metals and acids Acids can lower the pH of the soil, preventing plants and soil microorganisms from thriving, and can also react with various minerals in the soil that are required by plants, such as calcium and magnesium...
Know MoreINTERACTIVE EFFECTS BETWEEN LIME, ORGANIC MATTER, , LEYMUS CINEREUS IN MINE TAILINGS by , microbial community is likely to play a crucial role in the establishment of plants in toxic mine soils These microbial communities can change redox conditions in the soil, influence plant growth, increase or decrease metal toxicity, and influence ....
Know MoreMar 14, 2019 0183 32 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 Thus, the ability to restore native vegetation communities will depend upon developing a clear evidence-base as to what types of species and communities are likely ....
Know Moreestablishment of vascular vegetation on abandoned iron mine tailings by determining whether bryo-phyte cover facilitates or inhibits the establishment of vascular vegetation Field census techniques and experimental sowing of seeds onto the predominant mine tailing substrates are conducted In an effort to evaluate the mechanism by which ....
Know MoreMar 01, 2008 0183 32 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...
Know MoreThe aim was to examine the effects of plant establishment on water-covered mine tailings by answering following questions A Is plant establishment on water-covered mine tailings , 321 Factors affecting the metal and As plant uptake,22 322 Translocation properti,25 323 Comparing metal and As concentrations in plant shoots ....
Know Moresurface waters, affecting the surrounding ecosystem Johnson et al 2016 Yuetal2016 Mine tailings are disposed of in , the establishment of a plant cover on ATDs could be more difficult because of , the physicochemical factors of tailings that determine the...
Know MoreSeedling 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 other substrates present on the site The occurrence of vascular vegetation on the four most commonly occurring substrates bare tailings, cryptogamic crust ....
Know MoreThis paper examines the factors that influence CIP and CIL plant design and performance, and demonstrates a very simple methodology that can be used to arrive at something close to an optimum plant design It can also be used as an on-going tool by plant metallurgists to transform a fairly well run plant into an exceptionally well run plant...
Know MoreMost states have comprehensive environmental regulations for the mining industry Federal regulations aimed directly at the mining industry have not yet been put into a place, but broad-based statutes such as the Clean Water Act, Clean Air Act, National Environmental Policy Act, and numerous others apply to mining activiti...
Know MoreFeb 07, 2018 0183 32 Mining refers to the process of extracting metals and minerals from the earth Gold, silver, diamond, iron, coal, and uranium are just a few of the vast array of metals and minerals that are obtained by this process Mining activities require the clearing of large areas of land The chemicals used in the mining process often escape into the environment causing large-scale pollution...
Know MoreFactors affecting phytoremediation of mine tailings are discussed Abstract Mine tailings are detrimental to natural plant growth due to their physicochemical characteristics, such as high pH, high salinity, low water retention capacity, high heavy metal concentrations, and deficiencies in soil organic matter and fertility...
Know MoreDownload Citation on ResearchGate Response of Plants and Vegetation to Mine Tailings and Dredged Materials Mine tailings and disposal sites of dredged materials are new environments which have ....
Know MoreIntroduction Past mining activities have generated large amounts of unconfined waste in Mexico The environmental impact of such waste, specifically mine tailings, generally results from their low pH, high metal content and the high incidence of wind- and water-driven erosion events...
Know MoreThe detrimental impact of mining has been a topic of concern for many years Abandoned mine tailings from a wide variety of industries are found around the world The chemical composition of tailings depends on the minerals mined and the extraction technique For example, cyanide compounds have been used in some gold Au operations...
Know Morefactors facilitating copper mining in zambia factors influencing copper mining in zambia Problems in the mining industry in South africa - ECDPM- factors influencing copper mining in zambia,The current turbulence in the mining industry in South Africa...
Know MoreOLYMPIC DAM EXPANSION PROJECT Tailings Storage Facility Design Report P 9 of 105 2 EXECUTIVE SUMMARY BHP Billiton proposes to expand the existing Olympic Dam operation, including all associated infrastructure Large quantities of tailings approximately 70 million tonnes per annum will be stored in an above-ground tailings storage facility TSF...
Know MoreSoil factors affecting plant establishment on strip, mine soils were examined Soil pH was below 40 and aluminum concentrations averaged from 28 to 40 meq/100 g, levels considered toxic to plants...
Know Morea study on plant survival at the Central Manitoba Au minesite NTS 52L/13 in Report of Activities 2001, Manitoba Industry, Trade and Mines, Manitoba Geological Survey, p 138-149 SUMMARY A new project to determine the potential for phytoremediation of mine tailings and production...
Know MorePhytostabilization is a remediation technology that uses plants for in-situ stabilization of contamination in soils and mine tailings The objective of this study was to identify native plant species with potential for phytostabilization of the abandoned mine tailings in Nacozari, Sonora in northern Mexico A flora of 42 species in 16 families of angiosperms was recorded on the tailings site ....
Know MoreEnvironmental factors influencing the structural - NCBI - NIH Sep 18, 2014 Environmental factors influencing the structural dynamics of soil microbial communities during assisted phytostabilization of acid-generating mine tailings a may be important for facilitating plant establishment on the tailings....
Know MoreFACTORS 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...
Know MoreThe 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 Erickson, 1988...
Know MoreThe relationship between compost amendment, plant biomass produced, and bacterial root colonization as measured by fluorescence in situ hybridization was examined following plant growth in mine tailings Mine tailings can remain devoid of vegetation for decades after deposition due to a combination of factors that include heavy metal toxicity ....
Know MoreAdv Environmental Micro Lab BIOL 5020 Adv Environmental Microbiology BIOL 5420 Biology Seminar BIOL 4170 Chemistry Seminar CHEM 4120 Environmental Microbiology BIOL 4420...
Know Moretailings from earlier gold processing steps The cyanide concentration, residence time and lixiviant pH have a significant effect on the leaching efficiency of gold Therefore in this work, effort has been directed towards investigating these factors affecting gold recovery from very low grade ore assaying as low as 04 g/t A 20 kg soil...
Know MoreCompost-assisted phytostabilization has recently emerged as a robust alternative for reclamation of metalliferous mine tailings Previous studies suggest that root-associated microbes may be important for facilitating plant establishment on the tailings, yet little is known about the long-term dynamics of microbial communities during reclamation...
Know MoreAlgom Ltd research has focused on marsh and floating plants, while on nickel tailings Falconbridge Ltd submerged plants were studied In addition, factors affecting the growth of one species of submerged plant at the two sites were compared in a reciprocal transplant experiment QUIRKE MINE WASTE MANAGEMENT...
Know MoreThe productivity of plants depends largely on climate and the fertility of the growing medium Tailings fertility is related to The physical properties of the tailings which influence the amount of water that can be held in the profile and the ease with which roots can penetrate, and The tailings ,...
Know MoreFactors affecting natural development of soil on 35-year-old sulphide-rich mine tailings , The mining tailings, powder wastes produced in the flocculate flotation of copper ore, are generally ....
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