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  • Arsenic In Yellowknife North West Territories Canada

    Arsenic In Yellowknife North West Territories Canada

    The giant mine began gold production in yellowknife north west territories canada in 1948 soon after this it was decided to store the arsenic trioxide dust from the smelter underground

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  • Evaluation Of Technology For Control Ofarsenicemissions

    Evaluation Of Technology For Control Ofarsenicemissions

    Hot gases from the precipitator are quenched with ambient air to condense or desublime arsenic trioxide which is then collected in cold bag filters before the particu latefree gas is exhausted to the atmosphere overall collection efficiency of the system exceeds

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  • Gcl Arsenic

    Gcl Arsenic

    Dry arsenic removal the traditional method for arsenic removal was to cool the offgas to condense as2o3 into a solid particle and then collect all the dust in fabric dust collector or bag house the collected dust was referred to as crude arsenic and contained approximately 50

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  • Arsenic Trioxide And Underground Issues At Giant Mine

    Arsenic Trioxide And Underground Issues At Giant Mine

    Apr 13 2018 during the life of the mine the roasting process created about 237000 tonnes of arsenic trioxide waste this waste was collected and stored in 14 underground chambers and stopes no new arsenic trioxide has been produced since royal oak mines went bankrupt in 1999 the dust stored underground is about 79 arsenic trioxide

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  • Arsenic Dust Chris Langley

    Arsenic Dust Chris Langley

    Australian standard 36601993 listed the arsenic dust method as the only recommendation for remote control of termites inside buildings australian standard as 366022017 notes the use of arsenic dust along with other insecticidal dust toxicant termite baits and application of other effective agents tested in accordance with as 366032014

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  • Where Can I Buy Arsenic Trioxide Dust  Yahoo Answers

    Where Can I Buy Arsenic Trioxide Dust Yahoo Answers

    Apr 09 2010 arsenic trioxide can be bought from chemical supply houses it can sometimes be collected from the insides of industrial chimneys but you

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  • Gcl  Arsenic

    Gcl Arsenic

    Dry arsenic removal the traditional method for arsenic removal was to cool the offgas to condense as2o3 into a solid particle and then collect all the dust in fabric dust collector or bag house the collected dust was referred to as crude arsenic and contained approximately 50 to

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  • Water Leachingof Arsenic Trioxide From Metallurgical Dust

    Water Leachingof Arsenic Trioxide From Metallurgical Dust

    Download citation water leaching of arsenic trioxide from metallurgical dust with emphasis on its kinetics water leaching of as2o3 from metallurgical dust containing various metals was

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  • Water Leaching Ofarsenic Trioxidefrom Metallurgicaldust

    Water Leaching Ofarsenic Trioxidefrom Metallurgicaldust

    Oct 14 2019 water leaching of as2o3 from metallurgical dust containing various metals was investigated serving the purpose of dearsenization and simultaneous metal enrichment especially for indium effects of leaching temperature liquidsolid ratio lsr and leaching time were studied it was found that the initial dissolution was very fast but was then so inhibited by the increasingly dissolved

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  • Process For Recoveringarsenic Trioxidefrom Exhaust Gas

    Process For Recoveringarsenic Trioxidefrom Exhaust Gas

    We claim 1 a process for recovering arsenic trioxide from exhaust gas of sulfide ore smelting comprising subjecting the exhaust gas to dust collecting treatment at a temperature of not lower than 250 c scrubbing the gas with water whereby the amount of water is adjusted so that the arsenic concentration in the scrubbing solution is at least 80 of the saturation concentration at a

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  • Giant Mine Remediation Project Ubc Library Open Collections

    Giant Mine Remediation Project Ubc Library Open Collections

    When collection of the dust started in the 1950s the mine operators scientists and government officials had to decide what to do with the arsenic trioxide dust produced by the esps they determined that placing it in minedout stopes and chambers within the mine

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  • Giant Mine Arseniccould Be Cleaned Up In 5 Years

    Giant Mine Arseniccould Be Cleaned Up In 5 Years

    The decision to freeze about 237000 tonnes of toxic arsenic trioxide dust underground at the former giant mine in yellowknife remains the chosen solution for now and possibly for the next 100

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  • Canadas Northern Zombie Mines Are A Lingering Multi

    Canadas Northern Zombie Mines Are A Lingering Multi

    Oct 29 2018 the arsenic trioxide dust released from the rock as it was roasted to get the gold was pumped underground during most of the mines life better there than in the air in the early days of the mine it was sending up to 7400 kg of the dust out into the environment sickening locals and even killing a yellowknives dene child but it presents its own problems underground

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  • Relation Between Airbornearsenic Trioxideand Urinary

    Relation Between Airbornearsenic Trioxideand Urinary

    The relation between exposure to as2o3 fumes and dust and the urinary excretion of inorganic arsenic metabolites monomethylarsonic acid dimethylarsinic acid unchanged inorganic arsenic has been studied in 18 workers from a sulphuric acid producing plant the concentration of arsenic in the brea

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  • Arsenic Treatment Technologies For Soil Waste And Water

    Arsenic Treatment Technologies For Soil Waste And Water

    This report contains current information on the treatment technologies for wastes and environmental media containing arsenic it summarizes information on 13 technologies used to treat arsenic identifies sites and facilities where arsenic treatment has been used and provides references to more detailed arsenic treatment information

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  • Toxicdustburied Under Yellowknifes Giant Mine To Cost

    Toxicdustburied Under Yellowknifes Giant Mine To Cost

    Nov 18 2014 the gold extraction process used at giant mine created a highly toxic byproduct a dust called arsenic trioxide today there is an almost unfathomable amount of that toxic dust still buried

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  • Arsenictrioxide Sigmaaldrich

    Arsenictrioxide Sigmaaldrich

    Search term "arsenic trioxide" compare products select up to 4 products please select more than one item to compare 8 matches found for arsenic trioxide advanced search structure search arseniciii oxide 4 product results

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  • Doing Some Diggingarsenicand Old Mines  Canadian Mining

    Doing Some Diggingarsenicand Old Mines Canadian Mining

    The resulting arsenic trioxide dust was collected in a baghouse and returned underground to minedout stopes it was sealed in with concrete bulkheads and that was supposed to be the end of it however under certain conditions arsenic trioxide is soluble in water and it hasnt stayed put

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  • Pneumatic Conveying Materials  Us Systems

    Pneumatic Conveying Materials Us Systems

    Arsenic trioxide oxides dioxides barite paraformaldahyde sands cryolite sodium erythorbate dextrose sodium fluoride diamond ore sodium sulphate diatomaceous earth dust collection systems and bulk bag filling stations for the plastics chemical mineral and

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  • 19101018  Inorganicarsenic  Occupational Safety And

    19101018 Inorganicarsenic Occupational Safety And

    Definitions action level means a concentration of inorganic arsenic of 5 micrograms per cubic meter of air 5 gm 3 averaged over any eight 8 hour period assistant secretary means the assistant secretary of labor for occupational safety and health us department of labor or designee authorized person means any person specifically authorized by the employer whose duties require the

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  • Arsenic Emissions And Control Gold Roasting Operations

    Arsenic Emissions And Control Gold Roasting Operations

    Jan 01 1981 the overall collection efficiency of the system exceeds 999o for arsenic trioxide since arsenic is a significant component of many ores processed in this country by the nonferrous metals in dustry the characterization and evaluation of control strategies which have demonstrated capabilities for reducing the emission rates of arsenic and

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  • Lakes Near Yellowknife Contaminated With Arsenic Mercury

    Lakes Near Yellowknife Contaminated With Arsenic Mercury

    Apr 06 2016 collection of curated about 237000 tonnes of arsenic trioxide dust are known to have been produced and captured during roasting operations at the giant mine before it

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