Oxidation of organosulfur-coordinated arsenic and realgar in peat: implications for the fate of arsenic.

  title={Oxidation of organosulfur-coordinated arsenic and realgar in peat: implications for the fate of arsenic.},
  author={Peggy Langner and Christian Mikutta and Ruben Kretzschmar},
  journal={Environmental science & technology},
  volume={48 4},
Organosulfur-coordinated As(III) and realgar (α-As4S4) have been identified as the dominant As species in the naturally As-enriched minerotrophic peatland Gola di Lago, Switzerland. In this study, we explored their oxidation kinetics in peat exposed to atmospheric O2 for up to 180 days under sterile and nonsterile conditions (25 °C, ∼ 100% relative humidity). Anoxic peat samples were collected from a near-surface (0-38 cm) and a deep peat layer (200-250 cm) and studied by bulk As, Fe, and S K… CONTINUE READING

From This Paper

Figures, tables, and topics from this paper.


Publications referenced by this paper.
Showing 1-10 of 49 references

Optimal parameters for bioleaching of realgar using Acidithiobacillus ferrooxidans under different growth conditions and mathematical analysis

P. Chen, L. Yan, X. Yue, H. Li
Biocatal . Biotransform . • 2013

Arsenic sequestration by organic sulphur in peat

P. Langner, C. Mikutta, R. Kretzschmar
Nat. Geosci. 2012, • 2012

Effectiveness of phosphate and hydroxide for desorption of arsenic and selenium species from iron oxides

B. P. Jackson, W. P. Miller
R : A Language and Environment for Statistical Computing • 2012

Stability of reduced organic sulfur in humic acid as affected by aeration and pH

K. J. Hutchison, D. Hesterberg, J. W. Chou
Geochim . Cosmochim . Acta • 2012

A first principles study of the oxidation energetics and kinetics of realgar

D. Renock, U. Becker
Geochim . Cosmochim . Acta • 2010

Similar Papers

Loading similar papers…