Techno Press

Advances in Environmental Research   Volume 2, Number 3, September 2013, pages 167-177
Formation of surface mediated iron colloids during U(VI) and nZVI interaction
Youngho Sihn, Sungjun Bae and Woojin Lee

Abstract     [Full Text]
    We investigated that removal of aqueous U(VI) by nano-sized Zero Valent Iron (nZVI) and Fe(II) bearing minerals (controls) in this study. Iron particles showed different U(VI) removal efficiencies (Mackinawite: 99%, green rust: 95%, nZVI: 91%, magnetite: 87%, pyrite: 59%) due to their different PZC (Point of Zero Charge) values and surface areas. In addition, noticeable amount of surface Fe(II) (181
Key Words
    uranium; nZVI; ion- exchange; Fe(II) colloids; LIBD
Youngho Shin, Sungjun Bae and Woojin Lee: Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea.

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