Adsorptive Removal of Bisphenol A Using N-Doped Biochar Made of Ulva prolifera
Lu, Jian1; Zhang, Cui1; Wu, Jun2; Luo, Yongming1; Wu, Jun(Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xining 810008, Qinghai, Peoples R China)
2017-09-01
发表期刊WATER AIR AND SOIL POLLUTION
ISSN0049-6979
卷号228期号:9
产权排序第1完成单位
摘要Excess biomass of Ulva prolifera (U. prolifera) which is a marine macroalgae capable of forming green tides due to the marine eutrophication has become a huge burden for both environment and economic development in the coastal zone. U. prolifera samples were collected from a beach that was piled up with fresh U. prolifera biomass due to the outbreak of green tide. The N-doped carbon adsorbent (U. proliferabased biochar) with N content of 2.6% was prepared through a rapid hydrothermal carbonization process, and used for the adsorptive removal of bisphenol A (BPA) known as endocrine-disrupting chemicals (EDCs). The Brunauer-Emmet-Teller (BET) specific surface area of the biochar was 25.43 m(2) g(-1), which was beyond those of many algal biochars. Efficient adsorptive removal of BPA using U. prolifera based biochar was achieved. Most of BPAwas removed within 4 h. The adsorption kinetics of BPA on U. prolifera based biochar fitted second-order model. The experimental adsorption capacities slightly changed from 9.38 +/- 0.11 to 9.68 +/- 0.21 mg g(-1) when the pH increased from 4.0 to 10.0, indicating that the influence of wastewater pH on the adsorption of BPA by the algal biochar can be neglected in most cases. The Langmuir isotherm fitted well with the BPA adsorption data. High temperature could enhance BPA adsorption on the biochar. According to the Langmuir model, the adsorption capacity (Q(m)) of BPA increased from 33.30 to 84.19 mg g(-1) when the temperature increased from 25 to 45 degrees C. High ionic strength led to the increase in the adsorption of BPA. The adsorption capacity (Q(m)) almost doubled when the ionic strength increased from 0 to 500 mM. These findings indicate a promising way to treat the excess U. prolifera biomass in coastal zone and control phenolic EDCs pollution at low cost.
关键词Ulvaprolifera Algalbiochar Coastal Zone Endocrine-disrupting Chemicals Adsorption
DOI10.1007/s11270-017-3516-0
项目资助者Chinese Academy of Sciences(Y629041021, Y610061033) ; National Natural Science Foundation of China(41671319) ; Two-Hundred Talents Plan of Yantai(Y739011021) ; CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation(1189010002)
URL查看原文
收录类别SCI
关键词[WOS]HYDROTHERMAL CARBONIZATION ; AQUEOUS-SOLUTION ; ACTIVATED CARBON ; ENTEROMORPHA-PROLIFERA ; WATER ; BIOSORPTION ; PYROLYSIS ; BIOMASS ; EQUILIBRIUM ; TEMPERATURE
文章类型Article
语种英语
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences ; Water Resources
WOS记录号WOS:000410827400010
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文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/23438
专题中科院海岸带环境过程与生态修复重点实验室
通讯作者Wu, Jun; Wu, Jun(Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xining 810008, Qinghai, Peoples R China)
作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xining 810008, Qinghai, Peoples R China
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Lu, Jian,Zhang, Cui,Wu, Jun,et al. Adsorptive Removal of Bisphenol A Using N-Doped Biochar Made of Ulva prolifera[J]. WATER AIR AND SOIL POLLUTION,2017,228(9).
APA Lu, Jian,Zhang, Cui,Wu, Jun,Luo, Yongming,&Wu, Jun.(2017).Adsorptive Removal of Bisphenol A Using N-Doped Biochar Made of Ulva prolifera.WATER AIR AND SOIL POLLUTION,228(9).
MLA Lu, Jian,et al."Adsorptive Removal of Bisphenol A Using N-Doped Biochar Made of Ulva prolifera".WATER AIR AND SOIL POLLUTION 228.9(2017).
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