Removal of Lead from Wastewater by Graphene Coated Sand Composite

Seroor Atalah Khaleefa Ali, Lecturer Dr. Mohammed Ibrahim, Hussein Ali Hussein MSc

Abstract


In this research a process is used to treat contaminated water for its most recent use into an effluent that can be either returned to the water cycle with minimal environmental issues or reused. Lead pollution impacts all the systems of the human body. Many of the methods utilized for treatment. An easy and low cost method was employed to remove lead from wastewater. Graphene was prepared from sugar and normal sand as a media of adhesion in order to produce graphene coated sand media which is well known as graphene coated sand composite (GSC). Physical and chemical tests of the obtained composite were carried out and the functional groups on the surface were identified. SEM and EDX for the composite were also analyzed. Batch process was employed for the study the effect of pH, temperature, contact time and dose, for lead removal. Langmuir and frendlich models were applied. Isotherm data showed that the maximum adsorption capacity of lead was 59.17 mg/g. This fast, low-cost technology can be used to manufacture commercial filters to treat contaminated water using appropriate engineering designs.


Keywords


GSC; wastewater; lead removal.

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