Reduction of SeO42- Anions and Anoxic Formation of Iron(II)-Iron(III) Hydroxy-Selenate Green Rust

Article Abstract:

Study on the potential use of green rusts in hydromorphic soils and sediments as reducing agents of pollutants such as chromate, nitrate, or selenate.

United States, Science & research, Statistical Data Included, Pollution, Western States, Wetlands, Oxidation-reduction reaction, Technical, Oxidation reduction reactions

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Role of carbonation in transient leaching of cementitious wasteforms

Article Abstract:

Carbon dioxide reactive component of soil gas, called carbonation, play a key role in leaching of cementitious wasteforms. Carbonation appear to increase the diffusion coefficient for unreactive species while resulting in chemical binding of metals through solid solution in calcite. A lower net leaching of strontium and increased leaching of both calcium and nitrate were achieved through carbonation.

All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Strontium & Compounds, Calcium, Calcium (Chemical element), Strontium compounds, Soil leaching, Strontium

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Thermodynamic equilibria in aqueous suspensions of synthetic and natural Fe(II)-Fe(III) green rusts: occurences of the mineral in hydromorphic soils

Article Abstract:

A soil characterization was conducted on hydromorphic soils in the Fougeres and Britanny, France based on the presence of synthetic green rust, which is the by-product of microbial activity on Fe(OH)2. The presence of green rust in the Britanny soil samples followed a horizontal distribution, while the soil samples from Fougeres showed a distinct vertical distribution.

Research and Development in the Physical, Engineering, and Life Sciences, Agricultural Science, Agriculture, Composition, Soil science, Biomineralization

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