Synthesis of GO-ZnO via impregnation method for fluoride removal in wastewater / Mohamad Hanafi Mohamad Rosli, Nurulhuda Amri and Norhusna Mohamad Nor

Mohamad Rosli, Mohamad Hanafi and Amri, Nurulhuda and Mohamad Nor, Norhusna (2019) Synthesis of GO-ZnO via impregnation method for fluoride removal in wastewater / Mohamad Hanafi Mohamad Rosli, Nurulhuda Amri and Norhusna Mohamad Nor. ESTEEM Academic Journal, 15. pp. 35-43. ISSN 2289-4934

Official URL: http://uppp.uitm.edu.my

Abstract

High concentration of fluoride in wastewater discharge from various industries is threatening the environment due to its hazardous effects and properties. This research work aims to develop an efficient adsorbent for fluoride removal in wastewater. Graphite oxide (GO) was impregnated with ZnO nanoparticles as an adsorbent, and the effect of synthesis parameters of GO-ZnO adsorbent for fluoride removal were studied (sonication temperature, synthesis time, and ratio of GO to ZnO). The surface functional groups of these synthesized adsorbents were analyzed by using FTIR. The synthesis parameters that contribute to the highest adsorption capacity and percentage removal are 5:1 ratio of GO-ZnO, 45 ºC of sonication temperature and 60 minutes of synthesis time, respectively. The highest value of adsorption capacity obtained from the fluoride removal is 55.5 mg/g. The functional groups contained in the GO-ZnO adsorbent are hydroxyl group (O-H), C=O group, aromatics group, carboxyl group (C-O), epoxy group and alkoxy group. These functional groups showed significant impact towards fluoride adsorption due to the bonding of fluoride ion to the functional groups.

Metadata

Item Type: Article
Creators:
CreatorsID Num. / Email
Mohamad Rosli, Mohamad Hanafinorhusna8711@uitm.edu.my
Amri, NurulhudaUNSPECIFIED
Mohamad Nor, NorhusnaUNSPECIFIED
Subjects: T Technology > TD Environmental technology. Sanitary engineering > Sewage disposal systems
T Technology > TD Environmental technology. Sanitary engineering > Sewage disposal systems > Treatment, purification, etc.
T Technology > TP Chemical technology > Chemical engineering
T Technology > TP Chemical technology > Chemical engineering > Special processes and operations
T Technology > TP Chemical technology > Chemical engineering > Special processes and operations > Solidification
Divisions: Universiti Teknologi MARA, Pulau Pinang > Permatang Pauh Campus
Journal or Publication Title: ESTEEM Academic Journal
ISSN: 2289-4934
Volume: 15
Page Range: pp. 35-43
Official URL: http://uppp.uitm.edu.my
Item ID: 28937
Uncontrolled Keywords: Fluoride, Graphite Oxide, Zinc Oxide, Adsorption, Wastewater
URI: http://ir.uitm.edu.my/id/eprint/28937

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