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Synthesis and characterisation of hydrotalcite from bauxite residue liquor and magnesium nitrate
Synthesis characterisation hydrotalcite bauxite residue liquor magnesium nitrate
2012/3/30
The extraction of alumina from bauxite by the Bayer process produces a slurry by-product referred to as ‘bauxite residue’ or ‘red mud’. The liquid component of the slurry is highly alkaline and requir...
A new explanation for the unusual critical behavior of calcite and sodium nitrate, NaNO3
A new explanation unusual critical behavior calcite sodium nitrate NaNO3
2012/4/1
The phase-transition behavior of both calcite and the isostructural compound NaNO have longbeen thought to be anomalous. In particular, the ? critical exponent for the orientational order-disor-der t...
Reduction of Nitrate By Fe2+ in Clay Minerals
Clayey till Exchangeable ferrous iron Illite Mossbauer Nitrate Oxidized Structural ferrous iron Unoxidized
2011/12/27
In the 12 km2 catchment area of Syv creek, Denmark, moderate to high concentrations of nitrate (NO3−) occurred in the upper part of the oxidized zone (oxic-I), but dropped within the lower subox...