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ammonium sulfate gold leaching

  • Leaching of Gold from the Waste Mobile Phone Printed ...

    Leaching of Gold from the Waste Mobile Phone Printed Circuit Boards (PCBs) with Ammonium Thiosulphate. DOI: 10.5923/j.ijmee.20120102.02

  • GOLD LECHING FROM A SAUDI ORE BY THE

    Gold leaching from a Saudi ore by the nonpolluting thiosulfate process 61 thiosulfate media other than copper and ammonia (Zhang et al., 2005; Chandra et al.,

    Published in: Physicochemical Problems of Mineral Processing · 2015Authors: M H H Mahmoud · H M Awad · O A ElhabibAbout: Gold · Extraction · Leaching
  • The treatment of coppergold ores by ammonium thiosulfate ...

    Read "The treatment of coppergold ores by ammonium thiosulfate leaching" on DeepDyve - Instant access to the journals you need!

  • Patent US5328669 - Extraction of precious metals from ores ...

    Platinum group metals, gold and silver are extracted from complex ores, automobile scrap, refractory ores and as naturally occurring by leaching the precious metal ...

  • Leaching of Sludge from the AVR Process with

    Leaching of Sludge from the AVR Process with ... Studies have been reported leaching with ammonium ... in the complexation of gold and silver with ammonium

  • The treatment of coppergold ores by ammonium thiosulfate ...

    The application of ammonium thiosulfate for the treatment of coppergold ores has been investigated. Copper minerals and coppergold samples were leached in

    Published in: Hydrometallurgy · 2002Authors: Ellen Molleman · David DreisingerAbout: Ion chromatography · Copper · Gold
  • Selective leaching reagent for the recovery of copper

    SELECTIVE LEACHING FOR THE RECOVERY OF COPPER FROM PCB Md Fazlul Bari*, ... Leaching, ammonium persulfate ... Ammonium sulfate 5 64.31 2.20 48.14 0

  • Leaching of Gold from the Waste Mobile Phone Printed ...

    18 Abhishek Tripathi et al.: Leaching of Gold from the Waste Mobile Phone Printed Circuit Boards (PCBs) with Ammonium Thiosulphate Literature reveals that only ...

    Authors: A N Tripathi · Manoj Kumar · A K Agrawal · D C Sau · Sreejit ChakravartyAbout: Metallurgy
  • Patent US6632264 - Gold recovery from thiosulfate leaching ...

    Processes for recovering gold from copper-gold ores thiosulfate leaching or gold ores copper catalyzed thiosulfate leaching using ion exchange technology are disclosed.

  • Thiosulfate Leaching as an Alternative to Cyanidation:

    Thiosulfate Leaching as an Alternative to Cyanidation by aflacglobal in Types > Research > Science and thiosulfate leaching as an alternative to cyanidation gold ...

  • advantages and disadvantages of ammonium sulphate - Gold ...› Mining and construction 4.9/5
  • Assesment of Ammoniacal Ammonium Sulphate Leaching as

    Official Full-Text Publication: Assesment of Ammoniacal Ammonium Sulphate Leaching as a Pretreatment Process for Copper Bearing Gold Ores on

  • Thiosulfate degradation during gold leaching in ammoniacal ...

    Title: Thiosulfate degradation during gold leaching in ammoniacal thiosulfate solutions : a focus trithionate: Creator: Ahern, Noelene: Date: 2005: Date Issued

  • use of thiosulfate in gold leaching - agitatorbath

    Thiosulfate leaching of goldA review ScienceDirect. The ammoniacal thiosulfate leaching process for gold and leaching gold by thiosulfate

  • Thiosulfate leaching of gold from waste mobile phones.

    Thiosulfate leaching of gold from waste mobile phones. Ha VH(1), ... ammonia and copper sulfate concentrations on the leaching of gold from PCBs of ... Gold; ammonium ...

    Published in: Journal of Hazardous Materials · 2010Authors: Vinh Hung Ha · Jaechun Lee · Jinki Jeong · Huynh Trung Hai · Manis KAffiliation: Hanoi University · Council of Scientific and Industrial ResearchAbout: Recycling · Gold · Printed circuit board · Copper · Waste management
  • The Extraction of Gold from E-waste by Hydrometallurgy

    In this research, gold leaching will be ... The effects of copper sulfate and ammonium thiosulfate [(NH 4) 2 S 2 O 3], the environment PH, and pulp mass were analyzed.

    Authors: Aziz Mikaeli Hamzeh Ghasem · Shahrzad KhoramnejadianAbout: Nuclear chemistry · Organic chemistry · Soil chemistry · Green chemistry
  • Leaching of Gold from the Waste Mobile Phone Printed ...

    ... the mobile phone printed circuit boards (PCBs) ... of gold using ammonium thiosulfate as a leaching agent ... Waste Mobile Phone, Printed Circuit Boards ...

    Authors: A N Tripathi · Manoj Kumar · A K Agrawal · D C Sau · Sreejit ChakravartyAbout: Metallurgy
  • ammonium carbonate vs ammonium sulfate copper leaching ...

    US Patent # 4,165,264. Ammonia leaching Patents to form a leach liquor which contains ammonia complexes of copper sulfate and copper carbonate;

  • Treatment of a Copper-Rich Gold Ore by Ammonia Assisted ...

    Official Full-Text Publication: Treatment of a Copper-Rich Gold Ore by Ammonia Assisted Cyanide Leaching on ResearchGate, the professional network for scientists.

  • Patent US5114687 - Ammonia extraction of gold and silver ...

    Gold and silver are extracted from their elemental state or from complex ores and alloys by leaching them with a solution containing ammonia, ammonium salts and one ...

  • Sulfuric Acid and Ammonium Sulfate Leaching of Alumina ...

    Sulfuric Acid and Ammonium Sulfate Leaching of Alumina from Lampang Clay. DOI: 10.1155/2012/758296

  • Silver sulfide leaching with a copper-thiosulfate solution ...

    Leaching from silver sulfide using a copper-thiosulfate solution in the absence of ammonia was investigated. It is found that silver sulfide could be effectively ...

    Published in: Rare Metals · 2011Authors: Cui · Yiqi · Tong · Xiong · Alejandro · LopezvaldiviesoAffiliation: Kunming University of Science and Technology · Universidad AutonomAbout: Copper
  • Leaching of gold, silver and accompanying metals from ...

    Acta Montanistica Slovaca Roník 16 (2011), íslo 2, 128-131 128 Leaching of gold, silver and accompanying metals from circuit boards

  • Thiosulfate leaching of silver, gold and ... - DeepDyve

    Read "Thiosulfate leaching of silver, gold and bismuth from a complex sulfide concentrates" on DeepDyve - Instant access to the journals you need!

    Published in: Hydrometallurgy · 2005Authors: Jana Ficeriova · Peter Balaz · Carlos Leon VillachicaAbout: Silver · Leaching · Hydrometallurgy · OR gate · Gold · Mechanochemistry
  • Assesment of Ammoniacal Ammonium Sulphate Leaching as

    Official Full-Text Publication: Assesment of Ammoniacal Ammonium Sulphate Leaching as a Pretreatment Process for Copper Bearing Gold Ores on

  • A Study on Leaching of Zinc Oxide Ore in Ammonium Sulfate ...

    Environmental Protection and Sustainable Development: A Study on Leaching of Zinc Oxide Ore in Ammonium Sulfate Solution

    Published in: Applied Mechanics and Materials · 2014Authors: Dan Dan Wu · Shu Ming Wen · Jing Yang · Yi Jie Wang · Chao LvAbout: Leaching
  • Using Nickel as a Catalyst in Ammonium Thiosulfate ...

    Using Nickel as a Catalyst in Ammonium Thiosulfate Leaching for Gold Extraction Harunobu Arima1, Toyohisa Fujita2 and Wan-Tai Yen3 1Graduate Student, Queens ...

    Published in: Materials Transactions · 2004Authors: Harunobu Arima · Toyohisa Fujita · Wantai YenAbout: Gold · Nickel · Cementation
  • Leaching of Gold from Mobile Phone | Manoj Kumar ...

    Leaching of Gold from ... Effect of copper sulfate concentration on leaching of gold ... Conclusions Ammonium thiosulfate leaching of gold from waste mobile ...

  • Patent US6632264 - Gold recovery from thiosulfate leaching ...

    Processes for recovering gold from copper-gold ores thiosulfate leaching or gold ores copper catalyzed thiosulfate leaching using ion exchange technology are disclosed.

  • AMMONIUM SULFATE - Chemicalland21

    AMMONIUM SULFATE. PRODUCT ... (e.g. gold), and as a flotation auxiliary in the treatment of ores; in the woodworking ... leaching or erosion.

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