Biogenic nano-magnetite and nano-zero valent iron treatment of alkaline Cr(VI) leachate and chromite ore processing residue,Applied Geochemistry

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Biogenic nano-magnetite and nano-zero valent iron treatment of alkaline Cr(VI) leachate and chromite ore processing residue
Applied Geochemistry ( IF 3.1 ) Pub Date : 2015-03-01 , DOI: 10.1016/j.apgeochem.2014.12.001
Mathew P Watts ₁ , Victoria S Coker ₁ , Stephen A Parry ₂ , Richard A D Pattrick ₁ , Russell A P Thomas ₃ , Robert Kalin ₄ , Jonathan R Lloyd ₁

Affiliation

Highlights • Remediation of high pH Cr(VI) contamination related to COPR and its groundwater.• Extensive characterization of COPR and its related groundwater.• Cr(VI) reduction to Cr(III) by biogenic nano-magnetite and nano-zero valent iron.• Critical assessment of reactivity and passivation using spectroscopy and imaging.• Stabilization of the COPR Cr(VI) source by addition of nanoparticles.

中文翻译：

生物源纳米磁铁矿和纳米零价铁处理碱性六价铬浸出液和铬铁矿加工残渣

亮点 • 修复与 COPR 及其地下水相关的高 pH Cr(VI) 污染。• COPR 及其相关地下水的广泛表征。• 生物纳米磁铁矿和纳米零价铁将 Cr(VI) 还原为 Cr(III) .• 使用光谱和成像对反应性和钝化进行严格评估。• 通过添加纳米粒子稳定 COPR Cr(VI) 源。

更新日期：2015-03-01

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