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metal leaching in mine tailings short‐term impact of
Bioleaching of cobalt from sulfide mining tailings; a mini ...
01/09/2020· In this study, sulfide rich tailings were leached, utilizing iron and sulfur oxidizing microorganisms in a stirred tank application. The feed material contained several different valuable metals, namely cobalt, zinc, nickel and copper. The sample mineralogy was dominated by pyrite, but was otherwise very complex.
Bioleaching of heavy metals from mine tailings by ...
Also, the variation in the binding forms of heavy metals before and after bioleaching was explored. This work showed the laboratory results of bioleaching experiments on Pb Zn Cu mine tailings. The results showed that 97.54% Zn, 97.12% Cu, and 44.34% Pb could be removed from mine tailings by the bioleaching experiment after 13 days at 2% w/v substrate concentration.
Leaching of heavy metals from Dexing copper mine
01/10/2013· Therefore, the heavy metals in tailing ore are very likely to be released due to acidification from AMD. The leaching behaviors of Zn, Cu, Fe and Mn in mine tailings from Dexing copper mine were investigated by a series of laboratory batch experiments.
Metal leaching in mine tailings: short term impact of ...
Metal leaching in mine tailings: short term impact of biochar and wood ash amendments. Beauchemin S, Clemente JS, MacKinnon T, Tisch B, Lastra R, Smith D, Kwong J. Biochar is perceived as a promising amendment to reclaim degraded, metal contaminated lands.
Heavy metal leaching from mine tailings as affected by ...
01/12/1999· The U.S. Department of Energy's Office of Scientific and Technical Information
Evaluation of different factors on metal leaching from ...
The added tailings were passed through standard nylon sieves to investigate the effect of particle size on metal leaching. According to the climatic conditions of the sampling place, the effects of temperature on metal leaching were investigated by setting the temperature of the shaker to 16 °C, 23 °C, and 30 °C, respectively.
Metal Leaching in Mine Tailings: ShortTerm Impact of ...
01/01/2015· Abstract. Biochar is perceived as a promising amendment to reclaim degraded, metal contaminated lands. The objective of this study was to compare the potential of biochar and wood ash amendments to reduce metal leaching in mine tailings. A 2 mo leaching experiment was conducted in duplicate on acidic and alkaline tailings, each mixed with 5 ...
Metal leaching in mine tailings: short term impact of ...
01/01/2015· The objective of this study was to compare the potential of biochar and wood ash amendments to reduce metal leaching in mine tailings. A 2 mo leaching experiment was conducted in duplicate on acidic and alkaline tailings, each mixed with 5 wt.% of one of the following amendments: three wood derived, fast pyrolysis biochars and two
Heavy Metal Leaching from Mine Tailings as Affected by ...
01/11/1999· When the subsoil was absent, Zn and Cd leaching increased by as much as 20 fold, verifying the ability of soil to act as a sink for metals. Mine tailing remediation by establishing vegetation can reduce Pb movement but may enhance short term Cd
Metal Leaching in Mine Tailings: Short Term Impact of ...
Request Metal Leaching in Mine Tailings: Short Term Impact of Biochar and Wood Ash Amendments Biochar is perceived as a promising amendment to reclaim degraded, metal contaminated lands.