Arsenic Uptake from Arsenic-Contaminated Water Using Pteris vittata L. and Polystichum craspedosorum

Abstract:

The effects of arsenic uptake by Pteris vittata L. and Polystichum craspedosorum were examined. Pteris vittata L. were exposed hydroponically to 4Italic textItalic text.8 mg/L As(V) for 16 d and 4.05 mg/L As(V) for 24 h. Arsenic concentration in solution respectively decreased to 1.61 mg/L and 3.86mg/L. TF after 24 h was 0.81(1). Polystichum craspedosorum were exposed hydroponically to 3.26 mg/L As(V) for 20 days. As concentration decreased to 2.83mg/L after 16d and then increased slowly in the later four days. As contents in roots and fronds of Polystichum craspedosorum were 147 mg/kg and 90mg/kg. The results indicated that Polystichum craspedosorum was not good candidate for removal As(V) from water compared with Pteris vittata L..

• Periodical: Applied Mechanics and Materials (Volumes 295-298)
• Pages: 1139-1143
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.295-298.1139
• Online since: February 2013
• Authors: Jun Ying Zhao, Hua Ming Guo
• Keywords: Hydroponics, Polystichum craspedosorum, Pteris vittata L., Translocation Factor

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