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RED MUD & GRAPHENE OXIDE BLEND AS AN EFFECTIVE COAGULANT AND ADSORBENT FOR THE TREATMENT OF WASTE WATER FROM VARIOUS INDUSTRIES

Journal: International Journal of Mechanical Engineering and Technology(IJMET) (Vol.10, No. 3)

Publication Date:

Authors : ; ;

Page : 331-340

Keywords : Red Mud; Graphene Oxide; Phosphate; Heavy metals; Phenol; Dyes;

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Abstract

A series of blends consisting of Red mud(RM) varying from 1.5 to 3 g and Graphene oxide(GO) varying from 0 to 1.5 g to give a total of 3g were prepared. They are used as adsorbents in the treatment of waste water samples from few industries, for effective removal of phosphates, phenols, heavy metals and dyes. The best blend compositions for removal of Phosphates, Heavy metals & Phenols, Dyes were 2.5:0.5; 2.75:0.25; 2.1:0.9 respectively. The percentage removal of Phosphates & Nickel was 100 % while the removal of Zn varied from 58 to 68 % for the refinery samples studied. The contact time required for 95 % removal of phenols was just 4 hrs. In the studied dyes, Congo red showed maximum adsorption of 10 mg/g.

Last modified: 2019-05-22 22:44:48