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    (PDF) Leaching of Gold from the Waste Mobile Phone

    The present work deals with the recovery of gold using ammonium thiosulfate as a leaching agent from waste mobile PCBs containing 0.021% Au, 0.1% Ag, 56.68% Cu, 1.61% Ca, 1.42% Al, 1.40% Sn, 0.24%...get price

    Thiosulfate leaching of gold from waste mobile

    2010-6-15  Leaching of gold by thiosulfate. Experiments for the leaching of gold from waste mobile phones were carried out using solutions containing 0.06–0.2 M ammonium thiosulfate, 5–30 mM copper sulphate and 0.1–0.4 M ammonia with a contact time of 2 h.get price

    Cited by: 178

    Leaching of Gold from the Waste Mobile Phone

    2012-1-2  Complete PCB leaching (whole unit) of the mobile phone was also done to observe its effect on the leaching of gold. Results are compared with the shredded PCBs granules as shown in Fig. 7. About 78.8% of gold was leached with a complete PCB while in case of shredded sample it was 30.35% with the same pulp density (40 g/L) and other leaching variables.get price

    Thiosulfate leaching of gold from waste mobile

    Similar trends were obtained for the leaching of gold from two different types of scraps and PCBs of waste mobile phones. From the scrap samples, 98% of the gold was leached out using a solution containing 20 mM copper, 0.12 M thiosulfate and 0.2 M ammonia. Similarly, the leaching of gold from the PCBs samples was also found to be good, but it was lower than that of scrap samples in similar get price

    Cited by: 178

    (PDF) Thiosulfate leaching of gold from waste mobile

    M thiosulfate, and 0.2-0.3. M ammonia. Similar trends were obtained for the leaching of gold from two different types of scraps and PCBs of waste mobile phones. From the scrap samples, 98% of the gold was leached out using a solution containing 20. mM copper, 0.12. M thiosulfate and 0.2. M ammonia. Similarly, the leaching of gold from the PCBs samples was also found to be good, but it was lower get price

    Leaching of Gold from the Waste Mobile Phone

    One such e-waste, the mobile phone, the printed circuit boards (PCBs)contain various precious metals which can be extracted by different hydrometallurgical routes. The present work deals with the recovery of gold using ammonium thiosuphate as a leaching agent from waste mobile PCBs containing 0.021 % Au, 0.1 % Ag, 56.68get price

    Designs for Small Portable and Mobile Gold Leaching

    2016-3-11  Designs for Small Portable and Mobile Gold Leaching Plant Secondary Crusher is recommended for efficient crushing in the 250 to 265 ton/day Agitation capacity based on 36 to 48 hours of agitation time. Thickener area based on 6 to 7 square feet per ton of dry solids per 24 hours.get price

    GOLD RECOVERY FROM PRINTED CIRCUIT BOARDS OF

    2019-1-15  The parameters used in gold leaching of mobile phone PCBs with commercial stripping were: temperature 25±2(°C), 2 hours of extraction, pH 12.5 and solid/ liquid ratio 1/25. All tests were performed in a closed reactor. The PCB samples were suspended from a nylon wire to prevent them from being in contact with the walls of the reactor.get price

    GOLD RECOVERY FROM PRINTED CIRCUIT BOARDS

    The leaching tests were carried out using the parameters described in the user manual of the product. The parameters used in gold leaching of mobile phone PCBs with commercial stripping were: temperature 25±2(ºC), 2 hours of extraction, pH 12.5 and solid/liquid ratio 1/25. All tests were performed in a closed reactor.get price

    Cited by: 7

    Mobile gold washing plant- gold wash plant for sale

    Mobile Gold Washing Plant The mobile trommel washing plant is an optimized removable platform for gold recovery, applicable to small or medium scale of placer/soil gold ore processing which prefer to use mobile operation. Its advantage: less investment, less labor, fast return of investment, simple operation, easy movable etc.get price

    (PDF) Leaching of Gold from Mobile Phone Manoj

    International Journal of Metallurgical Engineering 2012, 1(2): 17-21 DOI: 10.5923/j.ijmee.20120102.02 Leaching of Gold from the Waste Mobile Phone Printed Circuit Boards (PCBs) with Ammonium Thiosulphate Abhishek Tripathi1, Manoj Kumar2,*, D. C. Sau2, Archana Agrawal2, S. Chakravarty3, T. R. Mankhand1 1 Department of Metallurgical Engineering, Institute of Technology, Banaras Hindu get price

    Leaching of Gold from the Waste Mobile Phone Printed

    2012-1-2  Leaching of Gold from the Waste Mobile Phone Printed Circuit Boards (PCBs) with Ammonium Thiosulphate Abhishek Tripathi1, Manoj Kumar2,*, D. C. Sau 2, Archana Agrawal,Sanchita Chakravarty3, T. R. Mankhand1 1Department of Metallurgical Engineering, Institute of Technology, Banaras Hindu University, 221005, Varanasiget price

    Leaching of Gold from the Waste Mobile Phone

    The present work deals with the recovery of gold using ammonium thiosuphate as a leaching agent from waste mobile PCBs containing 0.021 % Au, 0.1 % Ag, 56.68% copper, 1.61 % Ca, 1.42% Al, 1.40% Sn, 0.24% Fe, 0.22% Zn, 0.01 % Pd etc.. The cutting granules of 0.5 -3 mm PCBs were used for leaching in a 500 mL glass beaker in open atmosphere.get price

    Leaching of Gold from the Waste Mobile Phone

    2012-1-2  Complete PCB leaching (whole unit) of the mobile phone was also done to observe its effect on the leaching of gold. Results are compared with the shredded PCBs granules as shown in Fig. 7. About 78.8% of gold was leached with a complete PCB while in case of shredded sample it was 30.35% with the same pulp density (40 g/L) and other leachingget price

    Designs for Small Portable and Mobile Gold Leaching

    2016-3-11  Designs for Small Portable and Mobile Gold Leaching Plant. Post navigation. Previous. Next . Secondary Crusher is recommended for efficient crushing in the 250 to 265 ton/day: Agitation capacity based on 36 to 48 hours of agitation time. Thickener area based on 6 to 7 square feet per ton of dry solids per 24 hours.get price

    Thiosulfate leaching of gold from waste mobile

    2010-2-13  Similar trends were obtained for the leaching of gold from two different types of scraps and PCBs of waste mobile phones. From the scrap samples, 98% of the gold was leached out using a solution containing 20 mM copper, 0.12 M thiosulfate and 0.2 M ammonia. Similarly, the leaching of gold from the PCBs samples was also found to be good, but itget price

    GOLD RECOVERY FROM PRINTED CIRCUIT BOARDS

    The leaching tests were carried out using the parameters described in the user manual of the product. The parameters used in gold leaching of mobile phone PCBs with commercial stripping were: temperature 25±2(ºC), 2 hours of extraction, pH 12.5 and solid/liquid ratio 1/25. All tests were performed in a closed reactor.get price

    chemicals for gold leaching

    Leaching of gold and silver from printed circuit board of mobile phones. The commercial leachate used for comparison purposes was a chemical leacher (Galvastripper®) for gold and its alloys. This product is supplied as a liquid containing potassium cyanide in a concentration of 6 to 8%, slightly yellow, and removes up to 1 mm goldget price

    Mobile gold washing plant- gold wash plant for sale

    Mobile Gold Washing PlantThe mobile trommel washing plant is an optimized removable platform for gold recovery, applicable to small or medium scale of placer/soil gold ore processing which prefer to use mobile operation. Its advantage: less investment, less labor, fast return of investment, simple operation, easy movable etc. Whatsapp: 0086-199 7091 0905Category:get price

    Recovery of Precious Metals from Discarded Mobile

    The objective of this work was to recover gold and silver from the printed circuit board (PCB) of discarded mobile phones by thiourea leaching. Effects of thiourea concentration, leaching temperature, leaching time, and ferric ion (Fe3+) concentration on the recovery of gold and silver were investigated. The PCB was pretreated physically to reduce the thiourea consumption and enhance theget price

    Leaching of Gold from the Waste Mobile Phone Printed

    2012-1-2  Leaching of Gold from the Waste Mobile Phone Printed Circuit Boards (PCBs) with Ammonium Thiosulphate Abhishek Tripathi1, Manoj Kumar2,*, D. C. Sau 2, Archana Agrawal,Sanchita Chakravarty3, T. R. Mankhand1 1Department of Metallurgical Engineering, Institute of Technology, Banaras Hindu University, 221005, Varanasiget price

    Leaching of gold and silver from printed circuit board

    The results for leaching gold with alternative reagents, sodium thiosulfate and ammonium hydroxide, show that the best extraction was achieved at 0.1M sodium thiosulfate and 0.2M ammonium hydroxide, when adding 0.1M of hydrogen peroxide as an oxidation agent, obtaining approximately 11% of gold.get price

    MET63 leaching technology Met 63

    Mobile leaching solutions, combining leaching, solid-liquid separation, and washing. Capable of leaching gold and base metals (ore dependent) No milling required fine crushing application (ore dependent)get price

    chemicals for gold leaching

    Leaching of gold and silver from printed circuit board of mobile phones. The commercial leachate used for comparison purposes was a chemical leacher (Galvastripper®) for gold and its alloys. This product is supplied as a liquid containing potassium cyanide in a concentration of 6 to 8%, slightly yellow, and removes up to 1 mm goldget price

    Mobile gold washing plant- gold wash plant for sale

    Mobile Gold Washing PlantThe mobile trommel washing plant is an optimized removable platform for gold recovery, applicable to small or medium scale of placer/soil gold ore processing which prefer to use mobile operation. Its advantage: less investment, less labor, fast return of investment, simple operation, easy movable etc. Whatsapp: 0086-199 7091 0905Category:get price

    [PDF] GOLD RECOVERY FROM PRINTED CIRCUIT

    DOI: 10.1590/0104-6632.20180353S20170291 Corpus ID: 104366288. GOLD RECOVERY FROM PRINTED CIRCUIT BOARDS OF MOBILE PHONES SCRAPS USING A LEACHING SOLUTION ALTERNATIVE TO CYANIDE @article{Kasper2018GOLDRF, title={GOLD RECOVERY FROM PRINTED CIRCUIT BOARDS OF MOBILE PHONES SCRAPS USING A LEACHING SOLUTION get price

    small mobile leaching plant Mining

    Buy Small Mobile Copper Leaching Plant Gold Ore Crusher. Buy Small Mobile Copper Leaching Plant.The TON is the professional Gold Mining Equipments manufacturer in the world, located in China,India, along with other »More detailedget price

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    Amino acids key to new gold leaching process

    2014-10-24  "In normal gold leaching you would leach with cyanide and then absorb the gold cyanide on to a carbonate leach carbon-in-pulp. Filter helps recover 80% of gold in mobile get price

    Modular Gold Plants Proprietary Resources Gold

    2016-8-19  Gold recoveries equal to that of chemical leaching processes are achieved by the Modular Gold Plant. The Modular Gold Plant features central climate control, insulated sound dampening walls, high security construction and heavy duty exterior and interior walls and floors structurally engineered to withstand harsh environmental weatherget price

    Recovery of Precious Metals from Discarded Mobile

    The objective of this work was to recover gold and silver from the printed circuit board (PCB) of discarded mobile phones by thiourea leaching. Effects of thiourea concentration, leaching temperature, leaching time, and ferric ion (Fe3+) concentration on the recovery of gold and silver were investigated. The PCB was pretreated physically to reduce the thiourea consumption and enhance theget price