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Ultrahigh Water Permeance of Reduced Graphene Oxide Membrane for Radioactive Liquid Waste Treatment

التفاصيل البيبلوغرافية
العنوان: Ultrahigh Water Permeance of Reduced Graphene Oxide Membrane for Radioactive Liquid Waste Treatment
المؤلفون: Xinming Xia, Feng Zhou, Risheng Yu, Longsheng Cao, Liang Chen
المصدر: Membranes, Vol 11, Iss 11, p 809 (2021)
بيانات النشر: MDPI AG, 2021.
سنة النشر: 2021
المجموعة: LCC:Chemical technology
LCC:Chemical engineering
مصطلحات موضوعية: reduced graphene oxide, membrane, radioactive liquid waste, nanofiltration, permeance, Chemical technology, TP1-1185, Chemical engineering, TP155-156
الوصف: Membrane methods exhibit great potential for application in radioactive liquid waste treatment. In this work, we prepared a reduced graphene oxide using the amino-hydrothermal method (AH-rGO) that exhibited effective rejection rates of 99.9% for CoCl2, ZnCl2, NiCl2, and radionuclide 60Co solutions with an ultrahigh water permeance of >71.9 L m−2 h−1 bar−1. The thickness of the AH-rGO membranes affects the water permeance, as the membrane with a thickness of ≈250 nm has the highest water permeance of up to 125.1 L m−2 h−1 bar−1 with the corresponding rejection rate of 86.8%. Importantly, this is the most permeable membrane with a satisfactory level of the rejection rate for typical radioactive ions of Co2+, Zn2+, and Ni2+. Moreover, the AH-rGO membranes presented excellent stability. These findings demonstrate the potential of reduced graphene oxide (rGO) membranes for radioactive liquid waste treatment.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 2077-0375
Relation: https://www.mdpi.com/2077-0375/11/11/809; https://doaj.org/toc/2077-0375
DOI: 10.3390/membranes11110809
URL الوصول: https://doaj.org/article/dd58438e17c04b648d553426b13e0c49
رقم الأكسشن: edsdoj.58438e17c04b648d553426b13e0c49
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:20770375
DOI:10.3390/membranes11110809