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Adsorption of phosphorus onto Fe-modified Thalia dealbata derived biochar
Xiao Liwei1,2,3; Jiang Hong1; Shen Chao1; Li Ke2,3
Source PublicationE3S Web of Conferences
meeting2019 4th International Conference on Advances in Energy and Environment Research, ICAEER 2019
Conference DateAugust 16, 2019 - August 18, 2019
Conference PlaceShanghai
PublisherEDP Sciences
Contribution Rank2
AbstractHow to remove P effectively in eutrophic water is an urgent problem to be solved. In this study, a Fe-modified biochar was prepared by pyrolyzed wetland plant Thalia dealbata. The adsorption of P was investigated by using the prepared biochar (TBC-Fe) as an adsorbent. The effects of contact time, initial P concentration, temperature and initial solution pH on adsorption behavior of P on TBC-Fe were studied. The results showed that P adsorption process on TBC-Fe was controlled by internal and external diffusion of particles, due to the adsorption kinetic was better fitted by Intra-particle diffusion model. The adsorption isotherm on TBC-Fe was well performed by Langmuir model, with a maximum P adsorption capacity of 15.86 mg/g. The best adsorption performance was exhibited at 25°C with the initial pH of 10. Overall, the results indicate a promising option of utilizing Fe-modified biochar derived from wetland plants as an efficient remediation adsorbent for phosphorus in water. © The Authors, published by EDP Sciences, 2019.
KeywordAdsorption behavior Adsorption capacities Adsorption kinetics Adsorption performance Adsorption process Eutrophic water Initial solution Intra-particle diffusion
Indexed ByEI
Accession numberAccession number:20194307586382
Citation statistics
Document Type会议论文
Corresponding AuthorXiao Liwei
Affiliation1.Chengdu Engineering Corporation Limited, Power China, Chengdu, 610041, China;
2.Key Laboratory of Mountain Surface Processes and Ecological Regulation, Chinese Academy of Sciences, Chengdu, 610041, China;
3.Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, 610041, China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Xiao Liwei,Jiang Hong,Shen Chao,et al. Adsorption of phosphorus onto Fe-modified Thalia dealbata derived biochar[C]:EDP Sciences,2019:10122.
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