Journals on Cancer Medicine - BJSTR Journal

Abstract

This study was carried out to investigate arsenic removing efficiency of different #indigenous materials. The materials used were including bauxite, #plaster of paris, alum, activated alumina, limestone, and #plastic clay. Different ratios of these raw materials were grinded, mixed thoroughly in a motor and enough water was added to the mixture to form thick slurry. The mixture is preferably calcined and is reafter converted into granular form. Removal of as from the aqueous system is readily accomplished by contacting the aqueous system with the media until the arsenic is substantially removed from the aqueous solution and their efficiency towards removal of arsenic from water was studied through #atomic absorption spectrophotometer. It was found that when these materials were used individually the results showed that bauxite removed 97.5% arsenic from standard solution, alum individually removed 37%, plaster of paris 72.8%, #Activated Alumina (AA) removed 40% arsenic from standard - solution and plastic clay did not show any affiliation for adsorption of arsenic. It had only 2% removal efficiency when used alone. Lime is quite effective for arsenic removal. It has 99 % efficiency for arsenic removal. Different media were developed after mixing the above said indigenous materials in different ratios. These different media showed different removal efficiencies. After conducting several experiments, it was concluded that the media developed after mixing of limestone, bauxite and plastic clay (1:1:1) showed maximum (100%) removal of arsenic from drinking water. It is an excellent media in terms of adsorbing and removal of arsenic.

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Efficiency of Different #IndigenousRawMaterials for Removal of Arsenic from Aqueous Solution by Saeeda Yousaf in BJSTR