The physico chemical properties of both the lead zinc mill tailings and fuming furnace slag FFS have been examined In the first set of experiments raw slag FFS was used for paste backfill preparation and experimentation for uniaxial compressive strength UCS development whereas in the second set of experiments FFS was crushed to 75
Get PriceA ferrooxidans A thiooxidans and L ferrooxidans are the most commonly used microorganisms in bioleaching of heavy metals from tailings Their physicochemical properties are presented in Table 1 As for energy sources A ferrooxidans A thiooxidans and L ferrooxidans get their energy from iron sulphur and iron respectively Table 1
Get PriceAbstract The long term strength of cemented backfill mass with ordinary Portland cement binder generally decreases with sulphide content due to the formation of expansive phases such as gypsum This paper investigates the potential of using commercial reactive MgO activated ground granulated blast furnace slag MgO GGBS in cemented backfill from high sulphide content lead zinc mine tailings
Get PriceWork ceased at the Woodcutters lead zinc operation in Australia s Northern Territory in 1999 following 14 years of production and transferring 480 000m 3 of soil to the dam s tailings sites to prevent harmful materials from seeping into local waterways The land excavated to provide this soil will then be turned into a wetland an
Get PriceUtilization of modified copper slag activated by Na 2 SO 4 and CaO for unclassified lead/zinc mine tailings based cemented paste backfill J Environ Manage 2024 Jul 15 290 112608 doi / Epub 2024 Apr 23 Authors Qiusong Chen 1 Yunbo Tao 2 Yan Feng 2 Qinli Zhang 2 Yikai Liu 3 Affiliations
Get PriceRecover useful metals in tungsten tailings such as tin molybdenum niobium copper lead zinc antimony bismuth cobalt gold silver etc It can not only improve the quality of tungsten products but also make effective use of mineral resources The valuable metals currently recovered are mainly tungsten molybdenum and rhenium
Get PriceArticle on Utilization of lead zinc mine tailings as cement substitutes in concrete construction Effect of sulfide content published in Journal of Building Engineering 57 on 2024 10 01 by Alieh Saedi 4 Read the article Utilization of lead zinc mine tailings as cement substitutes in concrete construction Effect of sulfide content on R Discovery your go to avenue for effective
Get PriceThis article presents the results of studies of a low waste technology for processing enrichment tailings using a combined enrichment hydrometallurgical method After washing the enrichment tailings from harmful products and reducing their size multi stage flotation of the crushed material of the enrichment tailings was carried out The use of a new reagent in the flotation process was
Get PriceGraded tailings filling is the common backfill technology of lead and zinc tailings at present At first the fine grained under 200 or 400 meshes are removed by hydrocyclone After classification cementitious materials are added into the coarse tailings The coarse tailings was sent to the filling area through tailings pipeline
Get PriceThe source of the tailing used in this study was the Fan Kou lead zinc sulfide mine and the leaching LRT came from the end of the flotation separation process and the leaching process [ 5 ] The LRTs were washed with distilled water and dried at 105 °C for reuse
Get PriceThe research reported here was designed to investigate the effects of SMC incorporation on selected physical physico chemical and chemical properties of lead zinc tailings and to determine if application of SMC is useful for promoting vegetation growth on lead/zinc mine tailings 2 Methods Experimental set up
Get PriceAs an important source of metal resources lead zinc ore has economic and industrial value With the continuous expansion of the use of lead zinc ore more and more attention has been paid to the development and utilization of lead zinc ore resources The beneficiation process of lead zinc ore can be divided into four stages grinding stage sorting stage product dehydration stage and
Get PriceThe particle size of lead zinc mill tailings FFS and CFFS varies in the range of 420 1200 and 90 μm respectively Table 1 The particle size distribution curve of mill tailings FFS and CFFS samples are presented in Fig 5 Table 1 Physical characterisation of mill tailings FFS and CFFS Full size table Fig 5
Get PriceThe differences between the two mine tailings were compared to summarize and analyze the main influencing factors on the soil bacterial community structure of the tailings The results showed that the soils of the two tailings were polluted by heavy metals to different degrees and the polluted degree of the tailings in Bijiashan was
Get PriceMining activities have left a legacy of metals containing tailings impoundments After mine closure reclamation of mine wastes can be achieved by restoration of a vegetation cover We use cookies to improve your website experience To learn about our use of cookies and how you can manage your cookie settings please see our Cookie Policy
Get PriceJan 23 2024· The authors study potential utilization of oil tailings of a lead zinc processing plant Conversion of sulfides into marketable selective concentrates is carried out in two stages sulfide product is extracted from tailings first and processed second jointly with current ore material using the accepted technology or
Get PriceThe invention discloses a method for preparing aerated concrete by utilizing lead zinc tailings A part of quartz contained in the lead zinc tailings is utilized silica in the part and calcium hydroxide can be subjected to hydro thermal synthesis a part of ultra fine silicate minerals are taken as the lead zinc tailings of micro aggregates to be well combined with hydrated calcium silicate
Get PriceLead zinc mine tailings by weight were used as a substitute for 10 20 30 and 40% of cement and their effect on fresh and hardened UHPC behaviors was studied The results showed that resistance to chloride ion penetration compressive strength and workability decreased with increasing the substitute rate of mine tailings
Get PriceSeven Aspects of Comprehensive Utilization of Concentrator Tailings Using tailings to make bricks made from iron tailings xk 2 Lead zinc tailings to make bricks 3 Brick making from copper tailings 4 Gold tailings making bricks 5 Tungsten tailings making bricks Use tailings to produce cement 1
Get PriceA glass ceramic material was obtained from the beneficiation tailings of lead zinc ores The strength of the control samples was MPa in bending and MPa in compression After 100 cycles of testing the samples for frost resistance these characteristics changed to MPa in bending and MPa in compression
Get PriceIn an attempt to promote sustainable vegetation cover on metalliferous tailings a randomized factorial greenhouse trial of six month duration was established to determine the effect of spent mushroom compost SMC amendment on the physical and chemical properties of the predominantly lead/zinc tailings
Get PriceMixed lead zinc ore tailings contain both lead zinc oxide and lead zinc sulfide ores The separation is usually carried out using a mixed partial flotation process or a mixed preferred flotation process which sequentially separates lead zinc oxide ore lead concentrate and zinc concentrate 1 Re selection and recovery of sulfur and iron
Get PriceHeavy metals are an important class of pollutants and derive from both point sources sludge dumping industrial effluents mine tailings and diffuse sources highway runoff [] Metals such as cadmium chromium copper lead mercury uranium and zinc have been shown to exist at significantly elevated levels in ground waters and in soil and sediments at Department of Energy
Get PriceThere are large volumes of lead zinc tailings LZT produced in China and elsewhere in the world LZT disposal to the landfill is problematic and causes many environmental issues The objective of this work is to demonstrate how LZT can be effectively used to produce ceramisite The experimental results show that the LZT alone is not suitable
Get PriceAs a result the utilization of tailings in the tailings are extremely difficult to separate from the wa cement and concrete will be good for the environment both ter [3] in the solid waste processing and virgin materials using in Accompanied by the progress of human civilization the construction industry the demand for mineral products is
Get PriceGeochemical and acid generation evaluations were made on fresh tailings including tailings fine tailings sand and high sulphide tailings and oxidised tailings with the aim of providing information on mine rehabilitation All fresh tailings had a pH higher than 7 while the oxidised tailings had a pH of range to
Get PriceLead Zinc Mine tailings LZMT are wastes generated after the extraction of lead and zinc from mined mineral ore whose disposal mechanism is gradually becoming environmentally unfriendly For effective recycling of LZMT this present study utilized a combination of LZMT and Portland limestone cement PLC to improve the compaction and
Get PriceTailings are solid wastes of the ore beneficiation process in the extractive industry and are available in huge amounts in some countries This paper reviews the potential utilization
Get PriceLead and zinc are widely used in electrical industry machinery industry military industry metallurgical industry chemical industry light industry and pharmaceutical industry In addition lead metal also has many uses in nuclear industry petroleum industry and other sectors Lead zinc ore processing and production process
Get PriceDownloadable At present the application of phytoremediation technology in the ecological remediation of heavy metal tailings is receiving more and more attention In this study the physiological and biochemical response and tolerance mechanism of woody plant Nerium indicum to Pb and Zn under different proportions of inorganic modifier calcium carbonate C1 5% C2 10% C3 15% and organic
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