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(PDF) Study on the migration and transformation characteristics of
Study on the migration and transformation characteristics of arsenic and antimony in the rhizosphere of plants grown in zinc smelting waste residue February 2020 DOI: 10.21203/rs.2.23494/v1
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Energy
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Microbial community structures and their driving …
The norank_c_Acidobacteria is one of the top five genera found in gold mining areas [56]. In the typical antimony ore smelting area in the south of China, at the genus level, the bioindicators ...
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Rhizosphere Microbial Communities and Geochemical …
Antimony (Sb) and arsenic (As) are two hazardous metalloid elements, and the biogeochemical cycle of Sb and As can be better understood by studying plant rhizosphere microorganisms associated with Sb mine waste. In the current study, samples of three types of mine waste—Sb mine tailing, waste rocks, and smelting slag—and …
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contaminated by antimony smelting plant Microbial …
contaminated by antimony smelting plant ... Antimony (Sb) is a toxic element widely distributed in the lithosphere that mainly associates with arsenic ... plant roots, and gravel in the soils were ...
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Efficient Removal of Arsenic and Antimony During Blast Furnace Smelting
Thermodynamic calculations for the smelting reaction of a Cu-Pb-Zn-As-Sb-Fe-S-O-SiO 2 mixture showed that, at 1573 K, there is an energetically preferred reaction of arsenic oxide and antimony oxide with the sulfur from the decomposition of CuFeS 2 and FeS 2. Therefore, upon introducing the Cu-Zn concentrate, arsenic and antimony oxides …
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THE RARER METALS.
Chapman Smelting Co., 409 Battery Street, San Francisco, Cal. Antimony Smelting & Refining Co., Seattle, Wash. Besides these the American Star Antimony Co., Gilham, Ark., has a plant for the electrolytic reduction of antimony, and the following firms smelt antimony and lead ores to make antimonial lead:
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Cleaning of high antimony smelting slag from an oxygen
Cleaning of high antimony smelting slag from an oxygen-enriched bottom-blown was tested by direct reduction in a laboratory-scale electric furnace. The effects of added CaO, mass ratio of coal (experimental) to coal (theoretical) (ω) and the slag type on the reduction procedure were considered. The contents of Sb and Au were investigated. …
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Antimony Smelter
Updated: November 1, 1994. Antimony Smelter. The largest antimony smelter in the world in 1945 was just north of Laredo in Webb County. Initially it had …
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Mineral Concentrate Marketing
In addition to iron, the important concentrates normally shipped to smelting plants are those of lead, copper, and zinc, so these four are the principal ones in which the average producer is interested. ... Sulphide ores and concentrates are given a preliminary roast to remove part of the sulphur, arsenic and antimony prior to smelting in a ...
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Effects of four woody plant species revegetation on habitat …
Effects of four woody plant species revegetation on habitat improvement and the spatial distribution of arsenic and antimony in zinc smelting slag Int J ... The contents of arsenic and antimony in plants had lower levels and followed the order of roots > leaves > stems. As and Sb showed a strong positive correlation with pH, EC, moisture ...
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Microbial community structures and their driving factors in
This study investigated soil microbial community in a typical gathering area of antimony mining and smelting in South China. The physical and chemical properties of different soils (mining waste dumps, flotation tailings, and smelting slag) and depths (0–20 cm, 40–60 cm, and 80–100 cm) were compared. The results showed that antimony (Sb) …
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Antimony in the Soil-Plant System in an Sb Mining/Smelting Area …
The distribution, bioavailability, and accumulation of antimony (Sb) at the interface of rhizospheric soils and indigenous plants from a large Sb mining/smelting area in Southwest China were explored. Results showed that the local soil was severely polluted by Sb, and the aluminum magnesium silicate minerals and the carbonate fraction may ...
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Effects of four woody plant species revegetation on
Download Citation | Effects of four woody plant species revegetation on habitat improvement and the spatial distribution of arsenic and antimony in zinc smelting slag | Broussonetia papyrifera ...
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Antimony in the Soil-Plant System in an Sb …
PMID: 26067424 DOI: 10.1080/15226514.2015.1021955 Abstract The distribution, bioavailability, and accumulation of antimony (Sb) at the interface of rhizospheric soils …
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Removal of heavy metal ions from wastewater: a comprehensive …
Abstract. Removal of heavy metal ions from wastewater is of prime importance for a clean environment and human health. Different reported methods were devoted to heavy metal ions removal from ...
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Toxic effects of antimony in plants: Reasons and …
Antimony is a non-essential metal for plants and humans, and it is becoming a challenging heavy metal due to its anthropogenic activities. The entry of …
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Distribution and phytoavailability of antimony at an antimony …
An investigation of the distribution, fractionation and phytoavailability of antimony (Sb) and other heavy metals in soil sampled at various locations in the vicinity of a Sb mine revealed elevated levels of Sb, most certainly due to the mining activities. The concentration of Sb in the soil samples was 100.6–5045 mg kg−1; in comparison, the …
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The Recovery of Pb and Zn in Antimony Smelting Slag
The fuming furnace process can help the plant to treat with such stored antimony smelting slag and can further collect and recover some zinc, lead, and antimony as well. When cold slag is directly fed into fuming furnace, some cold slag goes to following dust collection system rather than falls into bath for reaction due to small particles.
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Recent Progress in Titanium Extraction and Recycling
This paper presents a brief review of the history of titanium smelting and the current trends in related research and development. Presently, both electrolytic and metallothermic reduction processes utilizing various feed materials such as titanium oxide are widely studied. However, many challenges remain to be addressed before realizing …
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Effects of four woody plant species revegetation on habitat improvement
Abstract. Broussonetia papyrifera, Cryptomeria fortunei, Arundo donax, and Robinia pseudoacacia were planted on a zinc smelting slag site. The habitat conditions and spatial distribution of arsenic (As) and antimony (Sb) in slag were analyzed after seven years of restoration.
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A Review on Pyrometallurgical Extraction of Antimony from …
Antimony is classified as a critical/strategic metal. Its primary production is predominated by China via pyrometallurgical routes such as volatilization roasting—reduction smelting or direct reduction smelting. The performance of most of the pyro-processes is very sensitive to concentrate type and grade. Therefore, technology …
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Release Law of Sb, As, and Hg in Antimony Smelting Slag
Abstract. This study takes the Southern antimony smelting slag depot in Xikuangshan (XKS) Sb mine in the city of Lengshuijiang, Hunan, China, as the research object and explores the release law of ...
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Toxic effects of antimony in plants: Reasons and remediation
Among different industries, mining and smelting of non-ferrous metals are considered the main sources of HM pollutants in our environment (Xing et al., 2020). Among different HMs, antimony ... Antimony and plants: Accumulation, toxic effects, and plants' defense systems. Metalloids. Adv.
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Oxidizing Roast; Stibnite the Antimony Mineral
Oxidizing Roast; Stibnite the Antimony Mineral. The leading antimony mineral is stibnite. In smelting stibnite ore two processes are available, precipitation and roasting-reduction. The former is suited, only for high-grade ores. As low-grade ores are more common than high-grade, roasting-reduction is of greater importance than …
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Distribution and phytoavailability of antimony at an antimony …
S-3 Paddy field In the antimony mine area S-4 Dry land In the antimony mine area S-5 Dry land In the antimony mine area S-6 Dry land Near alkali arsenic furnace residue S-7 Dry land Near smelting furnace residue S-8 Dry land Near antimony smelter S-9 Dry land Near ore tailing reservoir Environ Geochem Health (2007) 29:209–219 211 123
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Recovery of alkali, selenium and arsenic from antimony smelting …
Arsenic-alkali residue sample used in this study was supplied from an antimony smelting plant in Hunan, China. The moisture content of arsenic-alkali residue was 31.2 wt % (Mass fraction), and its related chemical contents by ICP and chemical analysis are given in Table 1. It can be seen from the entitative photograph of arsenic …
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Variation in the diazotrophic community in a vertical soil profile
1. Introduction. Plants and microorganisms need nitrogen (N), a critical macronutrient, because of its involvement in the synthesis of chlorophyll, nucleotides, and proteins (Li et al., 2019a; Puri et al., 2015; Robertson and Vitousek, 2009).However, regions contaminated by mining typically have N-deficient habitats (Dobson et al., 1997; Sun et …
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Frontiers | Toxic effects of antimony in plants: Reasons and
Antimony (Sb) is a dangerous heavy metal (HM) that poses a serious threat to the health of plants, animals, and humans. Leaching from mining wastes and weathering of sulfide ores are the major ways of introducing Sb into our soils and aquatic environments. Crops grown on Sb-contaminated soils are a major reason of Sb entry into humans by …
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Antimony smelting process generating solid wastes and dust
Xikuangshan Flash-Antimony Industry Limited Liability Company is a smelting plant in the Xikuangshan area with an annual production of 4 × 10 4 tons of antimony. The wastes produced in the smelting processes in the Xikuangshan area mainly include water-quenched slag (WQS), desulfurized slag (DS), arsenic-alkali residue (AAR) and blast …
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