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Influence of Gliricidia sepium Biochar on Attenuate Perchlorate-Induced Heavy Metal Release in Serpentine Soil
المؤلفون المشاركون
Vithanage, Meththika
Kumarathilaka, Prasanna
المصدر
العدد
المجلد 2017، العدد 2017 (31 ديسمبر/كانون الأول 2017)، ص ص. 1-8، 8ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2017-02-14
دولة النشر
مصر
عدد الصفحات
8
التخصصات الرئيسية
الملخص EN
Perchlorate (ClO4-) is a strong oxidizer, capable of accelerating heavy metal release into regolith/soil.
Here, we assessed interactions between ClO4- and serpentine soil to simulate and understand the fate of Ni and Mn and their immobilization with the presence of biochar (BC).
A soil incubation study (6 months) was performed using serpentine soil in combination with different ClO4- concentrations (0.25, 0.5, 0.75, and 1 wt.%) and three different amendment rates (1, 2.5, and 5 wt.%) of Gliricidia sepium BC.
Bioavailable fraction of Ni and Mn was analyzed using CaCl2 extraction method.
An increase of ClO4- concentrations enhanced bioavailability fraction of Ni and Mn.
However, BC amendments reduced the bioavailability of Ni and Mn.
In comparison, 5% BC amendment significantly immobilized the bioavailability of Ni (68–92%) and Mn (76–93%) compared to other BC amendment rates.
Electrostatic attractions and surface diffusion could be postulated for Ni and Mn immobilization by BC.
In addition, ClO4- may have adsorbed to BC via hydrogen bonding which may reduce the influence of ClO4- on Ni and Mn mobility.
Overall, it is obvious that BC could be utilized as an effective amendment to immobilize Ni and Mn in heavy metal and ClO4- contaminated soil.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Kumarathilaka, Prasanna& Vithanage, Meththika. 2017. Influence of Gliricidia sepium Biochar on Attenuate Perchlorate-Induced Heavy Metal Release in Serpentine Soil. Journal of Chemistry،Vol. 2017, no. 2017, pp.1-8.
https://search.emarefa.net/detail/BIM-1172135
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Kumarathilaka, Prasanna& Vithanage, Meththika. Influence of Gliricidia sepium Biochar on Attenuate Perchlorate-Induced Heavy Metal Release in Serpentine Soil. Journal of Chemistry No. 2017 (2017), pp.1-8.
https://search.emarefa.net/detail/BIM-1172135
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Kumarathilaka, Prasanna& Vithanage, Meththika. Influence of Gliricidia sepium Biochar on Attenuate Perchlorate-Induced Heavy Metal Release in Serpentine Soil. Journal of Chemistry. 2017. Vol. 2017, no. 2017, pp.1-8.
https://search.emarefa.net/detail/BIM-1172135
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1172135
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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