کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
9521542 1347786 2005 14 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Spray freezing decontamination of tailings water at the Colomac Mine
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات علوم زمین و سیاره ای (عمومی)
پیش نمایش صفحه اول مقاله
Spray freezing decontamination of tailings water at the Colomac Mine
چکیده انگلیسی
For the pilot scale project approximately 30% of the water pumped was frozen, with the remaining water returned to the tailings pond as runoff. Analysis of the water collected from an ice core melted under controlled laboratory conditions showed dissolved chemical removal of 87-99% (depending on the chemical species) after 39% of the spray ice column had melted. Arsenic concentrations were reduced from approximately 19 μg/L to approximately 5 μg/l. Cyanide had 99.2% removal but still remained at a concentration of approximately 350 μg/L. Approximately 60% of the treated water released at the end of the melt contained only 1-17% of the dissolved species. This melt water at the end of thaw would only require minor further treatment, which may significantly reduce overall treatment costs.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Cold Regions Science and Technology - Volume 42, Issue 2, July 2005, Pages 106-119
نویسندگان
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