IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
Simultaneous functionalization and magnetization of biochar via NH3 ambiance pyrolysis for efficient removal of Cr (VI)
Mian, Md Manik1,2; Liu, Guijian1,2; Yousaf, Balal1,2; Fu, Biao1; Ullah, Habib1; Ali, Muhammad Ubaid1,2; Abbas, Qumber1; Munir, Mehr Ahmed Mujtaba1; Ruijia, Liu1
2018-10-01
Source PublicationCHEMOSPHERE
Volume208Issue:6Pages:712-721
SubtypeArticle
AbstractEnhancing biochar adsorption capabilities and recollection ability is essential for efficient biochar application. In this study, Nitrogen-doped magnetic biochar was prepared via one-step heating of FeCl3-laden agar biomass under NH3 environment. Synthesized magnetic biochar ABF-N-800 shows a maximum Cr (VI) adsorption capacity up to 142.86 mg g(-1), outperforming that of magnetic biochar and many other previously reported materials. Moreover, a significant increase of magnetic properties obtained by NH3 ambiance pyrolysis enables easy separation of the adsorbent from the solution after treated with Cr (VI). The physiochemical properties of composites characterized by SEM, EDS, XRD, XPS, VSM, BET surface and pore, Elemental content, and FTIR analysis. The NH3 ambiance pyrolysis confirmed as an efficient process for surface modification, increased magnetic properties and activated N-functional groups. The Langmuir isotherm model and pseudo-second-order model are applicable for describing adsorption behavior. The thermodynamic study shows that the adsorption was spontaneous and endothermic. The present results warrant the application of simultaneous functionalized and magnetized biochar for Cr (VI) contaminated wastewater treatment. (C) 2018 Elsevier Ltd. All rights reserved.
KeywordN-biochar Ammonia Modification Magnetization Adsorption Chromium (Vi)
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.chemosphere.2018.06.021
WOS KeywordHEXAVALENT CHROMIUM REMOVAL ; ENHANCED CR(VI) REMOVAL ; AQUEOUS-SOLUTION ; FE3O4 NANOPARTICLES ; MESOPOROUS CARBON ; OXYGEN REDUCTION ; GRAPHENE OXIDE ; WASTE-WATER ; IN-SITU ; ADSORPTION
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000441999400079
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Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5116
Collection黄土与第四纪地质国家重点实验室(2010~)
Affiliation1.Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Crust Mantle Mat & Environm, Hefei 230026, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Mian, Md Manik,Liu, Guijian,Yousaf, Balal,et al. Simultaneous functionalization and magnetization of biochar via NH3 ambiance pyrolysis for efficient removal of Cr (VI)[J]. CHEMOSPHERE,2018,208(6):712-721.
APA Mian, Md Manik.,Liu, Guijian.,Yousaf, Balal.,Fu, Biao.,Ullah, Habib.,...&Ruijia, Liu.(2018).Simultaneous functionalization and magnetization of biochar via NH3 ambiance pyrolysis for efficient removal of Cr (VI).CHEMOSPHERE,208(6),712-721.
MLA Mian, Md Manik,et al."Simultaneous functionalization and magnetization of biochar via NH3 ambiance pyrolysis for efficient removal of Cr (VI)".CHEMOSPHERE 208.6(2018):712-721.
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