کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7043833 | 1456921 | 2018 | 33 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A mussel inspired highly stable graphene oxide membrane for efficient oil-in-water emulsions separation
ترجمه فارسی عنوان
یک مسیل الهام بخش غشاء اکسید گرافین بسیار پایدار برای جداسازی امولسیون های نفتی در آب است
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کلمات کلیدی
اکسید گرافن، پولیدپامین، غشاء، امولسیون روغن در آب، جداسازی،
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
تصفیه و جداسازی
چکیده انگلیسی
In this work, a simple coating method was employed to prepare a highly stable graphene oxide (GO) membrane for oil-in-water emulsions separation. By using mussel inspired polydopamine (PDA) as covalent linker, mixed cellulose ester membrane (MCEM) was successfully modified with PDA layer by self-polymerize, then GO nanosheets were attracted onto PDA/MCEM by simple vacuum filtration method, lead to the formation of GO/PDA/MCEM. The as-prepared membranes were characterized by FT-IR, TEM, AFM and contact angle, respectively. The results indicated that GO layer was uniformly coated on the support, and GO/PDA/MCEM had a rough surface and good hydrophilic property. Attributing to both the high adhesive ability of PDA and possible covalent interaction between GO and PDA, GO/PDA/MCEM was highly stable by being immersed in water environment for 12â¯h. GO/PDA/MCEM was employed to separate Tween-80 stabilized oil-in-water emulsions. The results showed that the prepared GO/PDA/MCEM had effective separation performance and reusability in the oil-in-water emulsions filtration for four cycles. This study provided a feasible, simple and economical way to prepare a highly stable GO-based membrane for oil-in-water emulsions filtration.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Separation and Purification Technology - Volume 199, 30 June 2018, Pages 37-46
Journal: Separation and Purification Technology - Volume 199, 30 June 2018, Pages 37-46
نویسندگان
Zhanchao Liu, Weifu Wu, Yan Liu, Changchun Qin, Minjia Meng, Yinhua Jiang, Jian Qiu, Jianbo Peng,