کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
584361 | 877889 | 2007 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Ammonium removal from landfill leachate by anodic oxidation
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
بهداشت و امنیت شیمی
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چکیده انگلیسی
The feasibility of removing ammonium from landfill leachates by electrochemical oxidation was studied. Raw leachates and biologically/physico-chemically pretreated leachates from a municipal landfill site were treated. Boron doped diamond was used as anode and stainless steel as cathode, both electrodes with an area of 70 cm2. The effects of the applied current density (15-90 mA cmâ2), the initial ammonium concentration (480-2000 mg Lâ1), and the initial chloride concentration were experimentally studied. Total ammonium removal was obtained after 360 min of processing and almost half of the initial ammonium nitrogen was oxidized to nitrate. On the other hand, the concentration of chloride enhanced the rate of ammonium oxidation. In addition, the amount of N-NH4+ transformed into N-NO3â decreased when additional chloride was provided.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Hazardous Materials - Volume 144, Issue 3, 18 June 2007, Pages 715-719
Journal: Journal of Hazardous Materials - Volume 144, Issue 3, 18 June 2007, Pages 715-719
نویسندگان
Adelaida Cabeza, Ane Urtiaga, MarÃa-José Rivero, Inmaculada Ortiz,