The dry production design is adopted, but the production line is equipped with environmental protection devices such as dust removal and silencer, which effectively reduce pollution such as dust and noise, fully comply with national environmental protection standards, easily pass environmental impact assessment standards, and achieve both economic and environmental benefits.
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The 200-ton granite crushing and sand making production line solution adopts the overall operating principle of "more crushing and less grinding", and has the characteristics of high efficiency and good finished products.
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On site, only the road surface requires leveling and compacting to establish working conditions, eliminating the necessity for cement foundation leveling and hardening. This significantly reduces the project's construction material costs.
The iron ore is evenly fed by TSW1139 feeder into HJ98 high-efficiency jaw crusher for coarse crushing. After that, the materials would be sent into CS160 cone crusher for secondary crushing.
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— Zhang et al 2019 investigated the immobilization of arsenic rich mine tailings using metallurgical slag cement materials They obtained good immobilization results of arsenic and the stabilization was found to be mainly solidification as alkaline arsenate According to their research the stabilization of arsenic could be from either
— 1 Introduction Realgar As 4 S 4 is an arsenic sulphur compound that has an As content of 70% and is generated under reducing is commonly found in low temperature hydrothermal veins hot spring deposits and volcanic residues and is often associated with gold silver or lead bearing ores Bullen et al 2003 High grade realgar
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Kim Lee B T and Kim K W 2012 Arsenic stabilization in mine tailings using nano sized magnetite and zero valent iron with the enhancement of mobility by surface coating Journal of Geochemical Exploration 113 124 Google Scholar
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DOI / Corpus ID 73494061; Transformation of arsenic during realgar tailings stabilization using ferrous sulfate in a pilot scale treatment article{Wang2019TransformationOA title={Transformation of arsenic during realgar tailings stabilization using ferrous sulfate in a pilot scale treatment } author={Xin Wang
DOI /S1002 0160 21 60025 5 Corpus ID 237658347; Assessment of compost and three biochars associated with Ailanthus altissima Miller Swingle for lead and arsenic stabilization in a post mining Technosol
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— Arsenic stabilization by zero valent iron bauxite residue and zeolite at a contaminated site planting Panax notoginseng Author links open overlay panel Yan a frequent mining activities and large scale use of As containing pesticides in the mid 90s Feng et al 2005 High As concentrations would exert a toxic effect on plants
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— Soils with relatively high concentrations of arsenic As and antimony Sb in mining areas would impose significant risks to human health and ecosystem A new stabilizer PFSC composed of polymerized ferric sulfate PFS and calcium hydroxide Ca OH 2 is proposed to stabilize the soil with co existed As and Sb sampled at an
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— The mechanisms at different pH for the stabilization of arsenic As in mine tailings MTs using steelmaking slag were investigated using laboratory experiments Two types of steelmaking slag were used in the experiments Ca slag has high pH and high calcium oxide content due to its short period of aging In contrast Fe slag is oxidized for a
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— Semantic Scholar extracted view of "Simultaneous stabilization of particulate and bioavailable arsenic in soils from the realgar mining area by polyacrylamide nano SiO2 and ferrihydrite composite materials " by Xiayu Zhu et al
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— Gangue backfilling mining GBM can effectively alleviate the accumulation of tailings In comparison the direct utilization of RM for arsenic stabilization can cause environmental damage due to its ultrahigh alkalinity Therefore RMM geopolymers offer a greener strategy for arsenic stabilization
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— Arsenic stabilization mechanism in a mine waste was investigated using a basic oxygen furnace BOF slag A lab scale batch test was carried out to stabilize As in the mine waste samples for 1 h where various amounts of the BOF slag and distilled water were introduced Different stabilization efficiencies were observed depending on the stabilizing
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— This study focused on evaluating the effectiveness of stabilizer/binding agents in immobilizing arsenic As in contaminated soil using both geochemical and geophysical monitoring methods The effluent from the stabilizer/binding agent s application and control columns was analyzed and the status of the columns was monitored using
— What Is Semantic Scholar Semantic Scholar is a free AI powered research tool for scientific literature based at Ai2 Learn More
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— The mechanism of MW irradiation for the enhancement of the long term stability of arsenic As in FeSO 4 treated realgar tailings was efficiency of As stabilization reached % in the MW FeSO 4 air system fold of that in the FeSO 4 air system % The increased As stability in realgar tailings was attributed to the
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— QUEBEC Dundee Sustainable Technologies DST of Montreal has cast the first piece of arsenical glass as part of commissioning its new arsenic stabilization pilot plant The casting was done using DST s proprietary technology from a stabilization trial run in December 2015 The glass that was produced was submitted to the US Environmental
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— 1 Introduction Arsenic As is a toxic non essential element Wang et al 2021 where As contamination of soil poses a serious threat to public health due to its widespread occurrence toxicity and persistence Tang et al 2019 Likewise rice As accumulation has posed serious health issues for billions of people globally who consume
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— 1 Introduction Realgar As 4 S 4 is an arsenic sulphur compound that has an As content of 70% and is generated under reducing is commonly found in low temperature hydrothermal veins hot spring deposits and volcanic residues and is often associated with gold silver or lead bearing ores Bullen et al 2003 High grade realgar
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The stabilization efficiencies of arsenic in contaminated soil were evaluated using various additives such as limestone steel mill slag granular ferric hydroxide and mine sludge collected from an acid mine drainage treatment system and it was suggested that GFH andMine sludge may play a significant role on the arsenic stabilization Expand
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— for the arsenic As stabilization and to suggest an evaluation method for arsenic stabilization efficiency in soil around Bryce and Butcher 2004 Characterisation of a mining related arsenic contaminated site Cornwall UK J Geochem
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— Minimization and stabilization of arsenic containing smelting wastewater and residue is of crucial issue to resolve the arsenic contamination Calcium arsenate is a typical precipitate produced from disposal of smelting acid wastewater However it suffers from poor stability and large quantity in the aqueous environment Copper slags as for rich
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DOI / Corpus ID 73494061; Transformation of arsenic during realgar tailings stabilization using ferrous sulfate in a pilot scale treatment article{Wang2019TransformationOA title={Transformation of arsenic during realgar tailings stabilization using ferrous sulfate in a pilot scale treatment } author={Xin Wang
— 1 Introduction Realgar As 4 S 4 is an arsenic sulphur compound that has an As content of 70% and is generated under reducing is commonly found in low temperature hydrothermal veins hot spring deposits and volcanic residues and is often associated with gold silver or lead bearing ores Bullen et al 2003 High grade realgar
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Arsenic As contamination in realgar mining areas poses a severe environmental and health risk highlighting the critical need for effective strategies to manage As migration particularly in its particulate and bioavailable states Soil erosion and water leaching serve as significant pathways for spreading As emphasizing the imperative to curtail its mobility
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— By using blast furnace slag BFS basic oxygen furnace steel slag SS and flue gas desulphurisation gypsum FGDG which are industrial solid wastes we developed a green metallurgical slag based binder MSB to treat high arsenic containing mine tailings HAMT Fig 1 The alkaline solution dissolves the reactive portion of the
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— Cement was used to solidify/stabilize the abandoned mine tailings contaminated primarily with arsenic up to 88 mg/kg and lead up to 35 mg/kg Solidified/stabilized s/s forms with a range of cement contents 5 30 wt% were evaluated to determine the optimal binder compression strength test UCS
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Cement was used to solidify/stabilize the abandoned mine tailings contaminated primarily with arsenic up to 88mg/kg and lead up to 35mg/kg Solidified/stabilized s/s forms with a range of cement contents 5 30wt% were evaluated to determine the optimal binder content Unconfined compression s
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— Improved understanding of the kinetics of phase transformations and their dependence on pH and temperature would facilitate the development of new stabilization technologies involving scorodite or ferrihydrite or both by improved controls on the behavior of arsenic in mine wastes Stabilization of As through controlled precipitation of
WhatsApp:+86 15836135778
DOI / Corpus ID 73494061; Transformation of arsenic during realgar tailings stabilization using ferrous sulfate in a pilot scale treatment article{Wang2019TransformationOA title={Transformation of arsenic during realgar tailings stabilization using ferrous sulfate in a pilot scale treatment } author={Xin Wang
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