کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8105776 | 1522165 | 2014 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
New treatment of real electroplating wastewater containing heavy metal ions by adsorption onto olive stone
ترجمه فارسی عنوان
درمان جدیدی از فاضلاب آبکاری واقعی حاوی یون های فلزات سنگین با جذب بر روی سنگ زیتون
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کلمات کلیدی
جذب، فاضلاب الکتریکی، ستون ثابت ثابت فلزات سنگین، سنگ زیتون،
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی های تجدید پذیر، توسعه پایدار و محیط زیست
چکیده انگلیسی
The goal of this research was to develop new processes for the remediation of electroplating wastewater using olive stone as adsorbent material packed in fixed-bed columns. The study was performed with effluents containing chromium (VI), copper (II) and nickel (II) of an electroplating plant. First, we started our research from studying olive stone as an efficient biomaterial capable of removing chromium (VI) of both synthetic and real wastewater. The removal of chromium (VI) took place following two parallel mechanisms: the adsorption of chromium (VI) and the reduction of chromium (VI) to chromium (III) by contact with the biomass, appearing chromium (III) in the aqueous solution. Then, two fixed-bed columns were utilized for removal both chromium (VI) and chromium (III), in the first fixed-bed column, chromium (VI) was successfully removed and in the second column, the chromium (III). Finally, two types of adsorption experiments were selected for simultaneous adsorption of three metals: (1) with a first stage reduction of chromium and only one adsorption fixed-bed column; and (2) without the stage of reduction and two adsorption fixed-bed columns. The results showed that the second method was more suitable for the purposes of wastewater treatment. In the first column, chromium (VI) was completely removed. In the second column, the outlet concentration of heavy metals was 2.04, 1.48 and 0.93Â mg/L for total chromium, copper (II), and nickel (II), respectively. This research provides a high efficient new alternative to clean industrial wastewater.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Cleaner Production - Volume 81, 15 October 2014, Pages 120-129
Journal: Journal of Cleaner Production - Volume 81, 15 October 2014, Pages 120-129
نویسندگان
M.A. MartÃn-Lara, G. Blázquez, M.C. Trujillo, A. Pérez, M. Calero,