کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6357711 | 1622742 | 2014 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Simulation of the potential effects of CO2 leakage from carbon capture and storage activities on the mobilization and speciation of metals
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
اقیانوس شناسی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Simulation of the potential effects of CO2 leakage from carbon capture and storage activities on the mobilization and speciation of metals Simulation of the potential effects of CO2 leakage from carbon capture and storage activities on the mobilization and speciation of metals](/preview/png/6357711.png)
چکیده انگلیسی
One of the main risks associated with carbon capture and storage (CCS) activities is the leakage of the stored CO2, which can result in several effects on the ecosystem. Laboratory-scale experiments were performed to provide data on the possible effects of CO2 leakage from CCS on the mobility of metals previously trapped in sediments. Metal-contaminated sediments were collected and submitted to acidification by means of CO2 injection using different pH treatments. The test lasted 10Â days, and samples were collected at the beginning and at the end of the experiment for metal analysis. The results revealed increases in the mobility of metals such as Co, Cu, Fe, Pb and Zn due to pH decreases. Geochemical modeling demonstrated that acidification influenced the speciation of the metals, increasing the concentrations of their free forms. These data suggest the possible sediment contamination consequences of accidental CO2 leakage during CCS activities.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Marine Pollution Bulletin - Volume 86, Issues 1â2, 15 September 2014, Pages 59-67
Journal: Marine Pollution Bulletin - Volume 86, Issues 1â2, 15 September 2014, Pages 59-67
نویسندگان
Manoela Romanó de Orte, Aguasanta M. Sarmiento, T. Ángel DelValls, Inmaculada Riba,