Yunfu calcite minethallium

Evaluation of Thallium Contamination from an OpenMined Yunfu

Yunfu pyrite deposit bearing thallium (Tl) with proven reserves of three million tons' Tl in Guangdong Province, China has been extensively exploited since 1970 This study 2023年4月15日  An open and globally secondlargest pyrite mine is located in Yunfu City, Guangdong Province, with 208 Mt of reserves and average sulfur content over 30% Stable thallium (Tl) isotopic signature as a reliable source tracer in 2022年12月10日  Tl showed ecological risks in Chinese surface waters near mines and sediments Tl guidance values provide worthy reference for management of Tl pollution Pollution levels and risk assessment of thallium in Chinese surface In this study, a bioadsorbent system based on nitrooxidized nanocellulose (NOCNF) extracted from sorghum stalks was shown to be a highly effective Tl (I) removal medium(PDF) Thallium pollution in China and removal

Evaluation of Thallium Contamination from an OpenMined Yunfu

2010年6月1日  Yunfu pyrite deposit bearing thallium (Tl) with proven reserves of three million tons' Tl in Guangdong Province, China has been extensively exploited since 1970 This study 2006年8月24日  the application of element and lead isotope tracing to thallium contamination in soil of the yunfu pyrite mine liu jingyong, chang xiangyang, tu xianglin元素铅同位素示踪在云浮硫铁矿区土壤铊污染研究中 2017年3月28日  Previous studies conducted in the Tlpolluted area, close to the Yunfu Pyrite Mine, indicated that the water and sediments were contaminated by the recharge of Tlrich The geochemical release feature of Tl in Tlrich pyrite mine wastes: 2022年7月1日  In this study, the distributions of thallium (Tl), and other potential toxic elements, such as Cd, Co, Cu, Pb, Sr, As, Cr, Ni, Zn, and Mn in needles, tree rings and soils of pine Thallium and potentially toxic elements distribution in pine

SCIENCE CHINA Earth Sciences Springer

Thallium (Tl) is a typical toxic heavy metal, with higher toxicity to mammals than Hg, Cd, and Pb Accurate assessments of its environmental exposure and flux are central to effective Distribution of Thallium(T1), Cadmium( Cd), Chromium (Cr), Lead (Pb), Nickel (Ni), Arsenic (As), Copper (Cu), Zinc (Zn) in water and sediments of Yunfu pyrite mine area was studied The [Distribution of heavy metals in waters and pollution assessment in 2022年7月1日  In this study, the distributions of thallium (Tl), and other potential toxic elements, such as Cd, Co, Cu, Pb, Sr, As, Cr, Ni, Zn, and Mn in needles, tree rings and soils of pine trees in one of the largest pyrite mining areas in the world, ie, Yunfu, China were investigated The results showed that pseudototal Tl concentration of the tree rings ranged from 041 to 203 Thallium and potentially toxic elements distribution in pine 2019年3月16日  Mine water Yunfu pyrite mine Guangdong 1011 – 1944 Liu et al, 2016 Dedusting wastewater Sulfuric acid factory Guangdong 154 – 400 Liu et al, 2010 Discharge e ffl uent Sulfuric acid (PDF) Thallium pollution in China and removal

Persistent thallium contamination in river sediments, source

2020年10月1日  As shown in Fig1, the investigated area is located in a pyrite mine area, Yunfu City, Southern ChinaThe climate there is typically humid subtropical, with an average temperature of 22°C The mean annual rainfall of this mine city is around 1600 mm, 60% of which occurs in monsoon season (Bureau of Statistics of Yunfu, 2017)The pyrite deposit (Late Download scientific diagram Location map of Yunfu Pyrite Mine area from publication: The geochemical release feature of Tl in Tlrich pyrite mine wastes: a longterm leaching test Identifying Location map of Yunfu Pyrite Mine area ResearchGate2022年3月1日  Request PDF Thallium and potentially toxic elements distribution in pine needles, tree rings and soils around a pyrite mine and indication for environmental pollution In this study, the Thallium and potentially toxic elements distribution in pine 2022年12月10日  The background concentrations of Tl in the natural environment are generally low, and the average Tl abundance of the Earth's crust is 075 mg/kg (Taylor, 1985)The background concentration of Tl in Chinese soil ranges from 029 to 117 mg/kg (median 058 mg/kg) (Qi et al, 1992)The Tl concentrations of uncontaminated soil in France and Australia Pollution levels and risk assessment of thallium in Chinese surface

Risk assessment and vertical distribution of thallium in paddy soils

2016年9月24日  The objective of this paper is to assess the influence of irritating paddy fields with acid mine drainage containing thallium (Tl) to rice plantsoil system and potential health risks for local residents Vertical distribution of Tl, pH, organic matter (OM), and cation exchange capacity (CEC) in 24 paddy soil profiles around Yunfu pyrite mine area was investigated Rice 2019年5月23日  Trace element contamination caused by mining is a serious environmental problem The potential effects of exploiting the Yunfu pyrite mine (southern China) on soil were investigated by determining trace elements in 56 surface soil samples from the vicinity of the Yunfu pyrite mine The samples were acid dissolved and measured by an inductively coupled Potential effects of exploiting the Yunfu pyrite mine (southern Examples are the Guangdong Yunfu Tlbearing pyrite (Yang et al, 2005; Li et al, 2009), the Yunnan Lanpingbearing TlPbZn mine (Zhang et al, 1998), the Guangxi Yilancontaining TlHg mine (Zhang et al, 1998), the Xiangquan Tlbearing pyrite deposit in Anhui (Hu, 2007; Zhou et al, 2008), the Guizhou Getang Tlbearing SbAu deposit, the (PDF) Thallium pollution in China and removal technologies for 2021年8月8日  Thallium is a highly toxic metal and is predominantly hosted by sulfides associated with lowtemperature hydrothermal mineralization Weathering and oxidation of sulfides generate acid drainage with a high concentration of thallium, posing a threat to surrounding environments Thallium may also be incorporated into secondary sulfate minerals, Secondary Sulfate Minerals from Thallium Mineralized Areas:

Thallium and potentially toxic elements distribution in pine

2022年7月1日  In this study, the distributions of thallium (Tl), and other potential toxic elements, such as Cd, Co, Cu, Pb, Sr, As, Cr, Ni, Zn, and Mn in needles, tree rings and soils of pine trees in one of the largest pyrite mining areas in the world, ie, Yunfu, China were investigated2011年5月1日  It was reported that a large amount of heavy metals were brought into Xijiang River from Hejiang River [48,49] In addition, the acid mine drainage from the Yunfu pyrite mining area [50] also Distribution of heavy metals in waters and pollution assessment in 2019年5月1日  Thallium (Tl) is a typical rare element widely dispersed in the natural environment It is used in chemical, electronic, pharmaceutical, aerospace and optical industry as well as in superconducting materials and highenergy physics (Nriagu, 1998; Karbowska, 2016; Belzile and Chen, 2017)However, it is extremely toxic, far exceeding the toxicity of As and Hg, with a Thallium pollution in China and removal technologies for waters: 2021年10月1日  Thallium (Tl) commonly occurs in shallow groundwater affected by acid mine drainage (AMD); however, our knowledge of the occurrence of Tl in shallow groundwater is limited This study observes that the shallow groundwater in an AMDimpacted area in Southern China contains an elevated Tl concentration (22 μg/L) under the oxidizing conditions and a low Geochemical distribution and speciation of thallium in

Thallium and potentially toxic elements distribution in pine

2022年7月1日  In this study, the distributions of thallium (Tl), and other potential toxic elements, such as Cd, Co, Cu, Pb, Sr, As, Cr, Ni, Zn, and Mn in needles, tree rings and soils of pine trees in one of the largest pyrite mining areas in the world, ie, Yunfu, China were investigated The results showed th Distribution of Thallium(T1), Cadmium( Cd), Chromium (Cr), Lead (Pb), Nickel (Ni), Arsenic (As), Copper (Cu), Zinc (Zn) in water and sediments of Yunfu pyrite mine area was studied The environmental risk assessment was conducted systematically using Sediment Quality Guidelines (SQGs) and Hakanson p [Distribution of heavy metals in waters and pollution assessment in 2023年9月15日  Thallium was found in manganite (TlAsS 2), calcite (TlHgAsS 3), isoneneneba siderite (Tl 6 CuAs 16 S 40), pyroxene (TlFeS 2) and lanthanide (TlAl(SO 4) 2 12 H 2 O) [19] There have been more than 400 cases of thallium poisoning in the study area since 1960 s, among them, dozens of people were seriously blind and 6 people were dead, which was one Release and mobility characteristics of thallium from polluted Yunfu Pyrite is the largest mining area of Pyrite in China as shown in Fig 1 It is located at the upstream of River Pearl in the western of Guangdong province in China Yunfu Pyrite is hosted by Tlrich pyrite (content of Tl 45mg/kgonaverage)(Xieetal2001)andundergoesvarious acid mine drainages (AMD), particularly in the heap leachThe geochemical release feature of Tl in Tlrich pyrite mine

Impact of acid mine drainage on groundwater hydrogeochemistry

2022年3月21日  Study area The study area is located in western Guangdong Province, China, approximately 7 km northwest of Yunfu city, from 22°58′–22°59′ N and 112°0′–112°1′ E (Fig 1)The Yunfu pyrite mine is situated at an elevation of 300–600 m above sea level and is located at a local high point in the city (Liu et al, 2017)The sulfurbearing minerals in this mine are The Xiangquan thallium (TI) deposit is the first example of a thalliumonly deposit in the world It is located in Anhui province, in the northeast margin of the Yangtze block, east ChinaA preliminary geological and geochemical study of the Xiangquan 2023年7月1日  The Yunfu pyrite mine is located in northwestern Yunfu (22°57́–22 Positive correlations between Ca 2+ and HCO 3 – in the stream catchment area suggest that weathering of calcite (CaCO 3) Geochemical distribution and speciation of thallium in groundwater impacted by acid mine drainage (Southern China) Chemosphere, 280 Hydrogeochemistry of groundwater surrounding a pyrite mine in 2018年8月31日  Thallium (Z = 81) is either Crystal Structure of ThalliumBearing Chovanite, TlPb 26 (Sb,As) 31 S 72 O, from the Monte Arsiccio Mine, Apuan Alps by Cristian Biagioni, Yves Moëlo, Natale Perchiazzi, Nicola Thallium: Mineralogy, Geochemistry and Ore Processes

Speciation analysis of metals (Tl, Cd and Pb) in Tl Springer

2010年1月9日  The speciation of heavy metals such as thallium, cadmium and lead existing in pyrite and pyrite cinder was analyzed by ICPMS with a sequential Cd and Pb) in Tlcontaining pyrite and its cinder from Yunfu Mine, China, by ICPMS with sequential extraction Published: 09 January 2010; Volume 29, pages 113–119, (2010 2016年6月1日  Thallium (Tl) is a toxic metal that exhibits higher toxicity in mammals than copper, lead, zinc or cadmium (Peter and Viraraghavan, 2005, Reppeto et al, 1998)Tl, a rare metal, generally occurs in the natural environment at very low levels, with relatively higher concentrations found in certain sulfide minerals (eg, pyrite, galena, and sphalerite) (Law and Turner, 2011, Thallium dispersal and contamination in surface sediments from 2018年11月26日  Assessing Thallium Elemental Systematics and Isotope Ratio Variations in Porphyry Ore Systems: A Case Study of the Bingham Canyon District(PDF) Assessing Thallium Elemental Systematics and Isotope 222 Thallium Sulfosalt Thallium sulfosalts represent the most abundant thallium minerals mainly found in hydrothermal deposits due to their complex structure, structure diversity, and the prevalence of isomorphism substituti on among cations (eg, As, Sb, Pb, Hg, Ag) Sulfoarsenite and sulfoantimonide dominate 63 known thallium sulfosaltsSecondary Sulfate Minerals from Thallium Mineralized Areas:

Potential effects of exploiting the Yunfu pyrite mine (southern

2019年5月23日  The Yunfu pyrite mine is situated at an elevation of 300600 m above sea level and is located at a local high point in the city (Liu et al, 2017)Fig 1 The location of the sampling sites (s1 to s24) around the Yunfu pyrite mine area in Guangdong Province, China (retrieved from Google earth) 24914 Environ Sci Pollut Res (2016) 23:24912–24921 of superpure gradeRisk assessment and vertical distribution of thallium in paddy soils 2020年10月1日  The adverse impacts of detrimental thallium (Tl) contamination are of increasing concerns to sustainable developmentHerein, the contents, distributions and sources of Tl and potential toxic elements (PTEs) (Pb, As, Cr, Cu, Ni, Co, Sb, Cd and U) were investigated in sediments collected in Gaofeng River, which has been contaminated by longterm mining Persistent thallium contamination in river sediments, source 2020年9月20日  Cadmium has little biological function in animals and plants, except for its recognized role as a zinc replacement at the catalytic site of a particular class of carbonic anhydrases in some marine diatoms (Lane et al, 2005; Sigel et al, 2013; Scott et al, 2019)Cadmium is an acutely toxic metal element and has a very low biocidal dose for Cadmium isotopes as tracers in environmental studies: A review

Thallium pollution in China: A geoenvironmental perspective

2012年4月1日  Thallium (Tl) is one of the 13 priority pollutant metals (Keith and Telliard, 1979)It is more toxic to mammals than cadmium, lead, copper or zinc, and is known to have caused many accidental, occupational and therapeutic poisonings since its discovery in 1861 (Smith and Carson, 1977, Mulkey and Oehme, 1993)The triad of gastroenteritis, polyneuropathy and 2006年8月24日  LIU Jingyong, CHANG Xiangyang, TU Xianglin THE APPLICATION OF ELEMENT AND LEAD ISOTOPE TRACING TO THALLIUM CONTAMINATION IN SOIL OF THE YUNFU PYRITE MINE[J] Geophysical and Geochemical Exploration, 2006, (4): 348353 doi: 103969/jissn10008918200604015元素铅同位素示踪在云浮硫铁矿区土壤铊污染研究中 2020年2月10日  An ultralarge pyrite deposit located near the Yunfu City, Guangdong Province, China, has been recognized as one of the most dominant Tl contamination sources (Liu et al, 2019b, Liu et al, 2019d)It bears a huge volume of sulfide reserves exceeding 200 Mt (Liu et al, 2010a), and approximately 7000 t Tl was estimated to be present in the deposit as an Thallium contamination, health risk assessment and source 2022年2月5日  The Yunfu pyrite mine was exploited in 1960s, which is one of the largest pyrite mines in Asia Thallium release from acid mine drainages: speciation in river and tap water from Valdicastello mining district (northwest Tuscany) Talanta, 171 (2017), pp 255261Transformation and fate of thallium and accompanying

The mobility of thallium in sediments and source ScienceDirect

2019年3月1日  Thallium (Tl) is a very toxic heavy metal As a part of ongoing investigations, the mobility, sources and fate of Tl were investigated for sediments from a watershed in the northern part of the Pearl River, South China, whose catchment has been seriously impacted by largescale Pb Zn smelting activities onshore A wide dispersion of severe Tl contamination was 2013年5月11日  Thallium (Tl) is a typical toxic heavy metal, with higher toxicity to mammals than Hg, Cd, and Pb Accurate assessments of its environmental exposure and flux are central to effective management and control of Tl pollution This paper first presents in detail the environmental exposure and flux of Tl by typical industrial activities utilizing Tlbearing pyrite Environmental exposure and flux of thallium by industrial 2021年3月1日  Table 2 Concentrations of thallium in selected surface, underground and mine waters Medium Locality Range Mean References Open ocean seawater (ng/L) 10–20 – Owens et al ( 2017 ) and Bo(PDF) Abundance and fate of thallium and its stable isotopes in 2016年12月1日  Risk assessment and vertical distribution of thallium in paddy soils and uptake in rice plants irrigated with acid mine drainage Yunfu pyrite mine area s2 s3 s4 s5 s6 s7 s8 s9 s10 s11Risk assessment and vertical distribution of thallium in paddy soils

The Impact of Thallium Exposure in Public Health and Molecular

2024年3月18日  This review offers a synthesis of the current understanding of the impact of lowdose thallium (Tl) on public health, specifically emphasizing its diverse effects on various populations and organs The article integrates insights into the cytotoxic effects, genotoxic potential, and molecular mechanisms of thallium in mammalian cells Thallium, a nonessential This plant used only ores from the Yunfu pyrite ores rich in Tl In this way, the pyrite ore samples randomly collected could represent the raw materials from the Yunfu pyrite mine 1 Sampling and methods 11 Sampling and pretreatment Sampling was carried out in the Yunfu Sulfuric Acid Plant in Guangdong Province in March, 2009 The plant producesSCIENCE CHINA Earth Sciences Springer

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