Abstract
Heavy metal contamination is a main common environmental issue in the world and a significant risk to public health. However, the development of environmentally sustainable and technically viable solutions or adsorbents for the treatment of water contamination caused by heavy metals is urgently needed. In this work, an eco-friendly approach of porous oxidized graphene (O-Gr), nitrogen-graphene (N-Gr), sulfur-graphene (S-Gr), and nitrogen, sulfur-graphene nanoplatelets (NS-GrNPs) via dry ball milling method was used to prepared. The as-prepared samples were investigated the physicochemical properties through the variable analytical tools. Furthermore, the NS-GrNPs has shown the exalted heavy metal ions adsorption and desorption of up to 99.706, 94.558, 78.62% for 60 min and 72.62, 56.54, 80.38 %, receptively. NS-GrNPs sample exhibits the enhanced adsorption capacity value was 987.06, 935.58, 776.2 mg/g. Conclusively, NS-GrNPs exhibits effective heavy metal ions and adsorption capacity, and it is low-cost, environmentally friendly, flexible, and suitable for practical application.
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