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Efficiency Improvement of a Capacitive Deionization (CDI) System by Modifying 3D SWCNTRVC Electrodes Using Microwave-Irradiated Graphene Oxide (mwGO) for Effective Desalination
المؤلفون المشاركون
Periyasami, Govindasami
Aldalbahi, Ali
Rahaman, Mostafizur
Almoiqli, Mohammed
Meriey, Al Yahya
المصدر
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-14، 14ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-09-07
دولة النشر
مصر
عدد الصفحات
14
التخصصات الرئيسية
الملخص EN
This work is aimed at improving the electrosorption capacity of carbon nanotube/reticulated vitreous carbon- (CNT/RVC-) based 3D electrodes and decreasing the duration of electrosorption-desorption cycles by facilitating the ions’ adsorption and desorption on the electrode surface.
This was achieved by preparing composites of microwave-irradiated graphene oxide (mwGO) with CNT.
All composite materials were coated on RVC by the dip-coating method.
The highest loading level was 50 mg.
This is because it exhibited the maximum electrosorption capacity when tested in terms of geometric volume.
The results showed that the 9-CNT/mwGO/RVC electrode exhibited 100% capacitive deionization (CDI) cyclic stability within its 1st five cycles.
Moreover, 27.78% time was saved for one adsorption-desorption cycle using this electrode compared to the CNT/RVC electrode.
In addition, the ion removal capacity of NaCl by the 9-CNT/mwGO/RVC electrode with respect to the mass of the electrode (3.82 mg/g) has increased by 18.27% compared to the CNT/RVC electrode (3.23 mg/g) when measured at the optimum conditions.
In a complete desalination process, the water production per day for the 9-CNT/mwGO/RVC electrode was increased by 67.78% compared to the CNT/RVC electrode when measured within the same CDI cell using NaCl solution of concentration less than 1 mg/L.
When considered volume of 1 m3, this optimum 9-CNT/mwGO/RVC electrode produces water 29,958 L per day.
The highest electrosorption capacity, when measured experimentally at 500 mg/L NaCl feed concentration, was 10.84 mg/g for this optimum electrode, whereas Langmuir isotherm gave the theoretically calculated highest value as 16.59 mg/g.
The results for the 9-CNT/mwGO/RVC composite electrode demonstrate that it can be an important electrode material for desalination in CDI technology.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Aldalbahi, Ali& Rahaman, Mostafizur& Almoiqli, Mohammed& Meriey, Al Yahya& Periyasami, Govindasami. 2020. Efficiency Improvement of a Capacitive Deionization (CDI) System by Modifying 3D SWCNTRVC Electrodes Using Microwave-Irradiated Graphene Oxide (mwGO) for Effective Desalination. Journal of Nanomaterials،Vol. 2020, no. 2020, pp.1-14.
https://search.emarefa.net/detail/BIM-1188461
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Aldalbahi, Ali…[et al.]. Efficiency Improvement of a Capacitive Deionization (CDI) System by Modifying 3D SWCNTRVC Electrodes Using Microwave-Irradiated Graphene Oxide (mwGO) for Effective Desalination. Journal of Nanomaterials No. 2020 (2020), pp.1-14.
https://search.emarefa.net/detail/BIM-1188461
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Aldalbahi, Ali& Rahaman, Mostafizur& Almoiqli, Mohammed& Meriey, Al Yahya& Periyasami, Govindasami. Efficiency Improvement of a Capacitive Deionization (CDI) System by Modifying 3D SWCNTRVC Electrodes Using Microwave-Irradiated Graphene Oxide (mwGO) for Effective Desalination. Journal of Nanomaterials. 2020. Vol. 2020, no. 2020, pp.1-14.
https://search.emarefa.net/detail/BIM-1188461
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1188461
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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