Insights into Starch Coated Nanozero Valent Iron-Graphene Composite for Cr(VI) Removal from Aqueous Medium
المؤلفون المشاركون
Vithanage, Meththika
Kumarathilaka, Prasanna
Jayaweera, Vimukthi
Wijesekara, Hasintha
Kottegoda, I. R. M.
Rosa, S. R. D.
المصدر
العدد
المجلد 2016، العدد 2016 (31 ديسمبر/كانون الأول 2016)، ص ص. 1-10، 10ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2016-11-16
دولة النشر
مصر
عدد الصفحات
10
التخصصات الرئيسية
الملخص EN
Embedding nanoparticles into an inert material like graphene is a viable option since hybrid materials are more capable than those based on pure nanoparticulates for the removal of toxic pollutants.
This study reports for the first time on Cr(VI) removal capacity of novel starch stabilized nanozero valent iron-graphene composite (NZVI-Gn) under different pHs, contact time, and initial concentrations.
Starch coated NZVI-Gn composite was developed through borohydrate reduction method.
The structure and surface of the composite were characterized by scanning electron microscopy (SEM), X-ray diffraction spectroscopy (XRD), Fourier transform infrared spectroscopy (FTIR), Brunauer-Emmett-Teller (BET), and point of zero charge (pHpzc).
The surface area and pHpzc of NZVI-Gn composite were reported as 525 m2 g−1 and 8.5, respectively.
Highest Cr(VI) removal was achieved at pH 3, whereas 67.3% was removed within first few minutes and reached its equilibrium within 20 min obeying pseudo-second-order kinetic model, suggesting chemisorption as the rate limiting process.
The partitioning of Cr(VI) at equilibrium is perfectly matched with Langmuir isotherm and maximum adsorption capacity of the NZVI-Gn composite is 143.28 mg g−1.
Overall, these findings indicated that NZVI-Gn composite could be utilized as an efficient and magnetically separable adsorbent for removal of Cr(VI).
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Kumarathilaka, Prasanna& Jayaweera, Vimukthi& Wijesekara, Hasintha& Kottegoda, I. R. M.& Rosa, S. R. D.& Vithanage, Meththika. 2016. Insights into Starch Coated Nanozero Valent Iron-Graphene Composite for Cr(VI) Removal from Aqueous Medium. Journal of Nanomaterials،Vol. 2016, no. 2016, pp.1-10.
https://search.emarefa.net/detail/BIM-1109076
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Kumarathilaka, Prasanna…[et al.]. Insights into Starch Coated Nanozero Valent Iron-Graphene Composite for Cr(VI) Removal from Aqueous Medium. Journal of Nanomaterials No. 2016 (2016), pp.1-10.
https://search.emarefa.net/detail/BIM-1109076
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Kumarathilaka, Prasanna& Jayaweera, Vimukthi& Wijesekara, Hasintha& Kottegoda, I. R. M.& Rosa, S. R. D.& Vithanage, Meththika. Insights into Starch Coated Nanozero Valent Iron-Graphene Composite for Cr(VI) Removal from Aqueous Medium. Journal of Nanomaterials. 2016. Vol. 2016, no. 2016, pp.1-10.
https://search.emarefa.net/detail/BIM-1109076
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1109076
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر