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Giới hạn tìm kiếm: Giới hạn tìm kiếm: Dạng tài nguyên Hiển thị kết quả với: Hiển thị kết quả với: Chỉ mục

A model for the evolution in water chemistry of an arsenic contaminated aquifer over the last 6000 years, Red River floodplain, Vietnam

Dieke Postma; Pham, Thi Kim Trang; Hoang, Van Hoan; Vi, Mai Lan; Nguyen Thi Thai

ISIKNOWLEDGE; http://repository.vnu.edu.vn/handle/VNU_123/25727

Truy cập trực tuyến

  • Nhan đề:
    A model for the evolution in water chemistry of an arsenic contaminated aquifer over the last 6000 years, Red River floodplain, Vietnam
  • Tác giả: Dieke Postma; Pham, Thi Kim Trang; Hoang, Van Hoan; Vi, Mai Lan; Nguyen Thi Thai
  • Chủ đề: chemistry; water chemistry
  • Mô tả: TNS06285 ; 50 p.
    Aquifers on the Red River flood plain with burial ages ranging from 500 to 6000 years show, with increasing age, the following changes in solute concentrations; a decrease in arsenic, increase in Fe(II) and decreases in both pH, Ca and bicarbonate. These changes were interpreted in terms of a reaction network comprising the kinetics of organiccarbon degradation, the reduction kinetics of As containing Fe-oxides, the sorption of arsenic, the kinetics of siderite precipitation and dissolution,as well as of the dissolution of CaCO3 . The arsenic released from the Fe-oxide is preferentially partitioned into the water phase, and partially sorbed, while the released Fe(II) is precipitated as 2 siderite
  • Nơi xuất bản: H. : ĐHQGHN
  • Năm xuất bản: 2016
  • Ngôn ngữ: English
  • Số nhận dạng: ISIKNOWLEDGE; http://repository.vnu.edu.vn/handle/VNU_123/25727

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