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Transformation of leaf waste into 3D graphene for water treatment
Wang, Xuechun; Liu, Baosen; Shi, Baoyou; Song, Laizhou; Zhuang, Yuan
AbstractTransformation of waste into adsorbent achieves treating waste by waste. Here, 3D graphene with a large specific area was derived from waste leaf and employed for tetracycline removal from the aqueous solution. The influence of pH value on this antibiotic was evaluated, and then the adsorption behavior was studied by the analyses of two kinetics models (pseudo-first-order and pseudo-second-order equations) and two isotherm models (Langmuir and Freundlich). The Langmuir and the pseudo-second-order were best fitted for tetracycline uptake of the waste leaf graphene (WLG). The maximum adsorption capacity of WLG calculated from the Langmuir model was 909.09 mg/g. For the treatment of groundwater, WLG has an effective removal of organic pollutants and heavy metals, which indicates the fascinating potential application in water treatment. The facile preparation routine of graphene with low-cost and nontoxic characters is also resulting in macroscopic shape and excellent adsorption performance of the obtained 3D graphene. The study would offer a new version for the fabrication of graphene with the purpose of waste reclamation, and the obtained functional 3D graphene can be tremendously used in environmental pollution treatment and other areas.
KeywordWaste 3D graphene Adsorption Antibiotic removal
Document Type期刊论文
Affiliation1.Yanshan Univ, Coll Environm & Chem Engn, Qinhuangdao, Hebei, Peoples R China
2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
3.Tongji Univ, Sch Environm Sci & Engn, State Key Lab Pollut Control & Resource Reuse, 1239 Siping Rd, Shanghai 200092, Peoples R China
Recommended Citation
GB/T 7714
Wang, Xuechun,Liu, Baosen,Shi, Baoyou,et al. Transformation of leaf waste into 3D graphene for water treatment[J]. DESALINATION AND WATER TREATMENT,2019,168:348-356.
APA Wang, Xuechun,Liu, Baosen,Shi, Baoyou,Song, Laizhou,&Zhuang, Yuan.(2019).Transformation of leaf waste into 3D graphene for water treatment.DESALINATION AND WATER TREATMENT,168,348-356.
MLA Wang, Xuechun,et al."Transformation of leaf waste into 3D graphene for water treatment".DESALINATION AND WATER TREATMENT 168(2019):348-356.
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