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Aging Process of Cadmium, Copper, and Lead under Different Temperatures and Water Contents in Two Typical Soils of China
المؤلفون المشاركون
Liu, Guannan
Yu, Zhanqiu
Liu, Xinhui
Xue, Wei
Dong, Liming
Liu, Yongbing
المصدر
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-10، 10ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-05-28
دولة النشر
مصر
عدد الصفحات
10
التخصصات الرئيسية
الملخص EN
Aging process of exogenous heavy metals in soil is significant for reducing their environmental risk due to the redistribution of species of soil heavy metals.
A red soil (ultisol) and a brown soil (alfisol) were selected to investigate the aging process of cadmium (Cd), copper (Cu), and lead (Pb) under different regimes of temperature and water content.
Most introduced heavy metals were all transformed from dissolved fraction to more stable fractions within 5 days of incubation.
During incubation, most Pb existed in the fraction bound to Fe/Mn oxides, while exchangeable and carbonate-associated fraction was the dominant portion for Cd and Cu, suggesting that the transformation rate followed the order: Pb > Cu > Cd.
The exchangeable and carbonate-associated fraction in red soil, which was characterized with higher pH and Fe/Al/Mn oxides and lower organic matter (OM), was significantly higher than that in brown soil, implying that soil OM was the important factor affecting the aging process of soil heavy metals in the present study.
In addition, increases of temperature and soil water content can accelerate the transformation of most introduced Cd, Cu, and Pb to more stable forms in the soils.
The results indicated that soil properties, environmental factors (i.e., temperature and water content), types of heavy metals, and pollution time can significantly affect the aging process of exogenous heavy metals.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Liu, Guannan& Yu, Zhanqiu& Liu, Xinhui& Xue, Wei& Dong, Liming& Liu, Yongbing. 2020. Aging Process of Cadmium, Copper, and Lead under Different Temperatures and Water Contents in Two Typical Soils of China. Journal of Chemistry،Vol. 2020, no. 2020, pp.1-10.
https://search.emarefa.net/detail/BIM-1181521
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Liu, Guannan…[et al.]. Aging Process of Cadmium, Copper, and Lead under Different Temperatures and Water Contents in Two Typical Soils of China. Journal of Chemistry No. 2020 (2020), pp.1-10.
https://search.emarefa.net/detail/BIM-1181521
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Liu, Guannan& Yu, Zhanqiu& Liu, Xinhui& Xue, Wei& Dong, Liming& Liu, Yongbing. Aging Process of Cadmium, Copper, and Lead under Different Temperatures and Water Contents in Two Typical Soils of China. Journal of Chemistry. 2020. Vol. 2020, no. 2020, pp.1-10.
https://search.emarefa.net/detail/BIM-1181521
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1181521
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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