عرض بسيط للتسجيلة

المؤلفAshfaq, Mohammad Y.
المؤلفAl-Ghouti, Mohammad A.
المؤلفZouari, Nabil
تاريخ الإتاحة2023-06-01T07:31:32Z
تاريخ النشر2022
اسم المنشورJournal of Water Process Engineering
المصدرScopus
معرّف المصادر الموحدhttp://dx.doi.org/10.1016/j.jwpe.2022.103164
معرّف المصادر الموحدhttp://hdl.handle.net/10576/43690
الملخصThe development of novel reverse osmosis (RO) membranes resistant to multiple types of fouling is a need to secure clean water production and meet rising water demands. In this paper, the RO membrane surface-functionalized with antibacterial graphene oxide (GO) and antiscalant maleic acid was prepared and tested. The polymerization of maleic acid on the GO functionalized RO membrane was achieved using microwave radiation. The membrane surface characterization showed a decrease in membrane surface roughness from 74.7 nm to 69.0 nm and an increase in membrane hydrophilicity as the contact angle decreased from 41.7 ± 4.50 to 22.0 ± 1.10. The modified membrane was tested against inorganic scaling and biofouling, and the results demonstrated that the modified membrane has improved resistance to multiple fouling types as compared to the unmodified RO membrane. When tested in the presence of calcium sulfate scaling solution (inorganic fouling), the normalized permeate flux was found to be stable at 0.91 and 0.95 for 0.01 and 0.02 wt% maleic acid-modified RO membranes, respectively. Moreover, the modified membranes also demonstrated bacteriostasis rates of 96.1 %–97.1 % showing their anti-bacterial characteristics. Both types of membrane fouling (inorganic and biofouling) were also studied simultaneously, and the results showed that the RO membranes with dual capabilities can inhibit both mineral formation and biofilm growth concurrently.
راعي المشروعThis publication was made possible by NPRP 9-318-1-064 and NPRP13S-0207-200289 from the Qatar National Research Fund (a member of the Qatar Foundation). The findings achieved herein are solely the responsibility of the author [s]. Thanks to Ms. Dana A. Da'na for her assistance in laboratory work. Many thanks to the Central Laboratory Unit and Center of Advanced Materials for the necessary testing of membrane samples.
اللغةen
الناشرElsevier
الموضوعAntiscalant
Biofouling
Graphene oxide
Inorganic fouling
Maleic acid
Reverse osmosis
العنوانInvestigating the effect of polymer-modified graphene oxide coating on RO membrane fouling
النوعArticle
رقم المجلد49
dc.accessType Abstract Only


الملفات في هذه التسجيلة

الملفاتالحجمالصيغةالعرض

لا توجد ملفات لها صلة بهذه التسجيلة.

هذه التسجيلة تظهر في المجموعات التالية

عرض بسيط للتسجيلة