کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4415636 | 1307753 | 2007 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Evaluation of the critical factors controlling stability of chromium, copper, arsenic and zinc in iron-treated soil
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم محیط زیست
شیمی زیست محیطی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Evaluation of the critical factors controlling stability of chromium, copper, arsenic and zinc in iron-treated soil Evaluation of the critical factors controlling stability of chromium, copper, arsenic and zinc in iron-treated soil](/preview/png/4415636.png)
چکیده انگلیسی
Various environmental factors are expected to affect the mobility of elements in chemically stabilized soils. The aim of this study was to evaluate the effects of pH, oxidizing-reducing potential (Eh), liquid-to-solid ratio (L/S), presence of organic matter (OM) and microbial activity (MA) on the mobility of chromium, copper, arsenic and zinc in zerovalent iron (Fe0)-stabilized soil. A 25 full factorial design was applied to assess the leaching of the elements from the treated soil. The factor having the most impact on the mobility of Cr, Cu and Zn was pH; low pH (3) led to the release of these elements. Arsenic remobilization was controlled by L/S and MA, whilst Eh, though also significant, had less influence. In the identified worst-case scenarios, more than half of the total Zn and Cu and 14% of As can be expected to remobilize from the treated soil. The leaching procedure concerning sample agitation and type of filtration showed to substantially affect the results of As leaching, especially in OM rich soil.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Chemosphere - Volume 67, Issue 2, February 2007, Pages 410-417
Journal: Chemosphere - Volume 67, Issue 2, February 2007, Pages 410-417
نویسندگان
Jurate Kumpiene, Isaac Castillo Montesinos, Anders Lagerkvist, Christian Maurice,