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COMBINING PHYTOREMEDIATION WITH SOIL FLUSHING FOR ARSENIC REMOVAL FROM CONTAMINATED SOIL
Yan, X., C. Liu, L. Zhong, and J. Wang.
International Journal of Phytoremediation 20(12):1229-1235(2018)

Pot experiments were carried out to study the As removal effectiveness of planting Pteris vittata L. (P.v.) and Lolium multiflorum L. (L.m.) in combination with in situ soil flushing using monopotassium phosphate (KH2PO4) solutions. Results showed that planting in combination with 8 days of KH2PO4 solution soil flushing achieved As removal efficiencies of 35.20% with P.v. and 52.93% with L.m. in rhizosphere soil, which was significantly higher than 9.14% removal by soil flushing alone. Results also indicated that the plants changed the speciation of As to a labile form, further facilitating As removal from the soil. See additional information in an earlier paper by these authors at http://www.jesc.ac.cn/jesc_en/ch/reader/create_pdf.aspx?file_no=S100107421631378X&flag=1.



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