Hydrochar preparation from black liquor by CO2 assisted hydrothermal treatment: Optimization of its performance for Pb2+ removal
Sun, Yong1,2; Zhang, Jing Ping2; Guo, Fei3; Zhang, Lian4
2016-09-01
发表期刊KOREAN JOURNAL OF CHEMICAL ENGINEERING
ISSN0256-1115
卷号33期号:9页码:2703-2710
摘要

Hydrochar was produced from hydrothermal treatment of corn straw black liquor. Response surface methodology (RSM) and the central composite design (CCD) were employed for determination of optimal char with maximum Pb2+ removal capacity. The operational parameters such as hydrothermal temperature (A degrees C), duration (min) and solid liquid ratio (LSR) were chosen as independent variables in CCD. The statistical analysis indicates that the effects of hydrothermal temperature, duration, LSR and combined effect of hydrothermal temperature and duration are all significant for the Pb2+ removal capacity. The optimal condition for achieving the maximum Pb2+ adsorption capacity is obtained as the following: hydrothermal temperature (205 A degrees C), duration (28min), LSR (12) with Pb2+ removal capacity reaching 47mg/g. The BET specific surface area of char prepared at optimal conditions could reach 85m(2)/g.

关键词Hydrochar Black Liquor Hydrothermal Pb-2 Ccd
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1007/s11814-016-0152-0
收录类别SCI
语种英语
关键词[WOS]RESPONSE-SURFACE METHODOLOGY ; WIDE TEMPERATURE-RANGE ; GAS-ADSORPTION PROCESS ; HEAVY-METAL IONS ; ACTIVATED CARBON ; WASTE-WATER ; CORN STOVER ; H3PO4 ACTIVATION ; AQUEOUS-SOLUTION ; TRACE-ELEMENTS
WOS研究方向Chemistry ; Engineering
WOS类目Chemistry, Multidisciplinary ; Engineering, Chemical
项目资助者National High Technology Research and Development Program 863(2011AA060703) ; Anpeng high-tech energy and resource company
WOS记录号WOS:000382675200024
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21448
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Edith Cowan Univ, Sch Engn, 270 Joondalup Dr, Joondalup, WA 6027, Australia
2.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Cleaner Prod Technol, Beijing 100190, Peoples R China
3.Shaanxi Normal Univ, Dept Sports Sci & Technol, Xian 710068, Peoples R China
4.Monash Univ, Dept Chem Engn, Clayton, Vic 3800, Australia
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Sun, Yong,Zhang, Jing Ping,Guo, Fei,et al. Hydrochar preparation from black liquor by CO2 assisted hydrothermal treatment: Optimization of its performance for Pb2+ removal[J]. KOREAN JOURNAL OF CHEMICAL ENGINEERING,2016,33(9):2703-2710.
APA Sun, Yong,Zhang, Jing Ping,Guo, Fei,&Zhang, Lian.(2016).Hydrochar preparation from black liquor by CO2 assisted hydrothermal treatment: Optimization of its performance for Pb2+ removal.KOREAN JOURNAL OF CHEMICAL ENGINEERING,33(9),2703-2710.
MLA Sun, Yong,et al."Hydrochar preparation from black liquor by CO2 assisted hydrothermal treatment: Optimization of its performance for Pb2+ removal".KOREAN JOURNAL OF CHEMICAL ENGINEERING 33.9(2016):2703-2710.
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