Nano-rod Ca-decorated sludge derived carbon for removal of phosphorus
Kong, LJ; Han, MN; Shih, KM; Su, MH; Diao, ZH; Long, JY; Chen, DY; Hou, LA; Peng, Y; kshih@hku.hk; cdy@gzhu.edu.cn
2018
发表期刊ENVIRONMENTAL POLLUTION
卷号233页码:698-705
摘要Recovering phosphorus (P) from waste streams takes the unique advantage in simultaneously addressing the crisis of eutrophication and the shortage of P resource. A novel calcium decorated sludge carbon (Ca-SC) was developed from dyeing industry wastewater treatment sludge by decorating calcium (Ca) to effectively adsorb phosphorus from solution. The X-ray diffraction (XRD) and Fourier transform infrared (FTIR) techniques were used to characterize the Ca-SCs, followed by isotherm and kinetic sorption experiments. A preferred design with CaCO3 to sludge mass ratio of 1:2 was found to have a sorption capacity of 116.82 mg/g for phosphorus. This work reveals the crucial role of well-dispersed nano-rod calcium on the Ca-SC surface for the sorption of phosphorus. Moreover, the decoration of nano-rod calcium was found to further promote the uptake of phosphorus through the formation of hydroxyl apatite (Ca-5(PO4)(3)(OH)). Thus, the development of decorated Ca-SC for sorption of phosphorus is very important in solving the P pollution and resource loss. (C) 2017 Elsevier Ltd. All rights reserved.
部门归属[Kong, Lingjun; Han, Meina; Su, Minhua; Long, Jianyou; Chen, Diyun; Hou, Li'an; Peng, Yan] Guangzhou Univ, Sch Environm Sci & Engn, Guangzhou 510006, Guangdong, Peoples R China; [Kong, Lingjun; Long, Jianyou; Chen, Diyun; Hou, Li'an; Peng, Yan] Guangdong Prov Key Lab Radioact Contaminat Contro, Guangzhou 5100056, Guangdong, Peoples R China; [Kong, Lingjun; Shih, Kaimin] Univ Hong Kong, Dept Civil Engn, Pokfulam Rd, Hong Kong, Hong Kong, Peoples R China; [Diao, Zenghui] Chinese Acad Sci, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
学科领域Environmental Sciences & Ecology
关键词[WOS]Phosphorus ; Ca decorated sludge carbon ; Crystallization ; Sorption
资助项目LMB
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/17010
专题中科院海洋生物资源可持续利用重点实验室
通讯作者kshih@hku.hk; cdy@gzhu.edu.cn
推荐引用方式
GB/T 7714
Kong, LJ,Han, MN,Shih, KM,et al. Nano-rod Ca-decorated sludge derived carbon for removal of phosphorus[J]. ENVIRONMENTAL POLLUTION,2018,233:698-705.
APA Kong, LJ.,Han, MN.,Shih, KM.,Su, MH.,Diao, ZH.,...&cdy@gzhu.edu.cn.(2018).Nano-rod Ca-decorated sludge derived carbon for removal of phosphorus.ENVIRONMENTAL POLLUTION,233,698-705.
MLA Kong, LJ,et al."Nano-rod Ca-decorated sludge derived carbon for removal of phosphorus".ENVIRONMENTAL POLLUTION 233(2018):698-705.
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