TY - JOUR
T1 - Porous graphene nanoplatelets encompassed with nitrogen and sulfur group for heavy metal ions removal of adsorption and desorption from single or mixed aqueous solution
AU - Sivakumar, Mani
AU - Hung, Wei Song
AU - Wang, Chih Feng
AU - Hu, Chien Chieh
AU - Lee, Kueir Rarn
AU - Lai, Juin Yih
AU - Januar, Widakdo
N1 - Funding Information:
The authors express their sincere gratitude to the Ministry of Science and Technology of Taiwan ( MOST 108-2628-E-011-003-MY3, MOST 108-2622-E-011-018-CC3, MOST 109-3116-F-011-002-CC1 ) for financially supporting this research.
Publisher Copyright:
© 2022 Elsevier B.V.
PY - 2022/5/1
Y1 - 2022/5/1
N2 - 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.
AB - 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.
KW - Adsorption and desorption of filtration studies
KW - Dry ball milling
KW - Heavy metal ions
KW - NS-graphene
KW - Oxidized graphene
UR - http://www.scopus.com/inward/record.url?scp=85124727707&partnerID=8YFLogxK
U2 - 10.1016/j.seppur.2022.120485
DO - 10.1016/j.seppur.2022.120485
M3 - Article
AN - SCOPUS:85124727707
SN - 1383-5866
VL - 288
JO - Separation and Purification Technology
JF - Separation and Purification Technology
M1 - 120485
ER -
