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process is a great challenge for the gold mining industry. The situation in China is much stricter because cyanide-containing solid wastes have been enclosed in the List of National Hazardous Waste... Ya-li, LI Huai-mei, YU Xian-jin. Fe extraction from high-silicon and aluminum cyanide tailings by pretreatment of water leaching before magnetic separation [J]. Transactions of Nonferrous Metals......
]. The other agricultural waste materials sorbents such as banana peel [25], pistachio hull wastes [11], and rice husk [19] have been widely investigated for their ability to remove cyanide from water... is an endothermic and spontaneous process. ZnO@NiO nanocrystal is an efficient sensor for removal of cyanide from water and wastewater. Key words: cyanide removal; nano crystal; adsorption; ZnO@NiO 1......
and cyanide components in it cause environment pollution if exposed to air for a long time. It is regarded as a hazardous waste by various environmental bodies. Many hydrometallurgical or pyrometallurgical processes have been used to treat waste cathode carbon to attain harmlessness and carbon separation [19-21]. Due to the difference in hydrophobic water between carbon and electrolyte......
Trans. Nonferrous Met. Soc. China 23(2013) 1165-1173 Fe extraction from high-silicon and aluminum cyanide tailings by pretreatment of water leaching before magnetic separation Ya-li ZHANG, Huai-mei...- and Al-containing cyanide tailings by water leaching to remove some impurities, such as the major impurities minerals of Si and Al, as well as its effect on Fe extraction in the water leaching process......
遗留含氰废水[J]. 中国有色冶金, 2020, 49(1): 69-72. WANG Yang, WANG Bao-shan, GAO Hui-juan, et al. Treatment of cyanide bearing waste water from a gold mine by alkaline chlorination[J]. China Nonferrous Metallurgy... Engineering, 2013, 3(3): 38-40. [11] 范文君. 碱性氯化法处理处置含氰废液[J]. 资源节约与环保, 2013(6): 94. FAN Wen-jun. Treatment of cyanide containing waste liquid by alkaline chlorination[J]. Resources Economization &......
, zinc and chrome in it. The waste water is non-color, non-odor and translucent, and the pH and density are about 8.0 and 1×103 kg/m, respectively. 2.2 Experimental method The biosorption experiments...). The waste saccharomyces cerevisiae with and without cadmium were washed by distilled water for three times, fixed after airing in natural condition, dehydrated by ethanol, and was sprayed by gold......
measured using a contact angle instrument (XG-CAMB, Made in China). Cyanide mineral sample (2.0 g) was added to a 50 mL beaker with 20 mL distilled water. After that, the solution was stirred for 5 min...Trans. Nonferrous Met. Soc. China 26(2016) 3245-3252 Flotation behaviors and mechanisms of chalcopyrite and galena after cyanide treatment Yi-wen MA1,2, Yue-xin HAN1, Yi-min ZHU1, Yan-jun LI1, Hao......
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-distilled water at the prescribed concentration of reagents. In direct cyanide leaching tests, the effect of cyanide concentration in the range of 1.5-7.5 g/L NaCN was studied. In the ammoniacal cyanide...Trans. Nonferrous Met. Soc. China 25(2015) 597-607 Treatment of copper-rich gold ore by cyanide leaching, ammonia pretreatment and ammoniacal cyanide leaching A. D. BAS, E. KOC, Y. E. YAZICI, H......
] LAGERGREN S. Zur theorie der sogenannten adsorption gelster stoffe [J]. K Sven Vetenskapsakad Handl, 1898, 24(4): 1–39. (in Swedish) [26] HO Y S. Adsorption of Heavy Metals from Waste Streams by Peat [D... natural condensed tannin [J]. Water Res, 2005, 39(18): 4281–4286. [31] WANG F, ZHAO J, ZHU M, YU J, HU Y S, LIU H. Selective adsorption-deposition of gold nanoparticles onto monodispersed hydrothermal......
