Microbial aging of hydrochar as a way to increase cadmium ion adsorption capacity: Process and mechanism
文献类型： 外文期刊
作者： Hua, Yun 2 ; Zheng, Xuebo 1 ; Xue, Lihong 2 ; Han, Lanfang 4 ; He, Shiying 2 ; Mishra, Tripti 2 ; Feng, Yanfang 2 ; Yang, 1 ;
作者机构： 1.Chinese Acad Agr Sci, Key Lab Tobacco Biol & Proc, Minist Agr & Rural Affairs, Tobacco Res Inst, Qingdao 266101, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Agr Resources & Environm, Key Lab Agroenvironm Downstream Yangtze Plain, Minist Agr & Rural Affairs, Nanjing 210014, Peoples R China
3.Nanjing Agr Univ, Coll Resources & Environm Sci, Nanjing 210095, Peoples R China
4.Guangdong Univ Technol, Inst Environm & Ecol Engn, Guangzhou 510006, Peoples R China
5.Univ Massachusetts, Stockbridge Sch Agr, Amherst, MA 01003 USA
6.Jiangsu Univ, Sch Environm & Safety Engn, Zhenjiang 212001, Jiangsu, Peoples R China
关键词： Sawdust hydrochar; Microbially aged process; Cadmium; Adsorption mechanisms; Biochar aging
期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.642； 五年影响因子：9.237 ）
ISSN： 0960-8524
年卷期： 2020 年 300 卷
页码：
收录情况： SCI
摘要： Microbially-aged hydrochar were prepared to investigate how aging affected their ability to remove Cd2+ from aqueous solutions. Based on aging time in an anaerobic fermenter, four samples were produced: HC, M20-HC, M40-HC, and M60-HC. Results indicated increases in specific surface area, pH, and negative charge on hydrochar surface with aging process. Also, there were a decrease in O/C and an increase in surface functional groups, such as -COOH. The adsorption experiments confirmed the positive correlation between aging time and adsorption performance. The 60-day-aged M60-HC treatment displayed the maximum adsorption capacity, which was 3.8 times higher than that of HC. The Langmuir and pseudo-second-order kinetic equations fitted well with isothermal and kinetic data, respectively. Thermodynamic study indicated that Cd(2+ )adsorption is dominated by chemisorption. This study showed that microbial aging process is an effective and promising measure to improve hydrochar adsorption capacity for Cd2+.
- 相关文献
作者其他论文 更多>>
-
Application of products derived from pyrolysis and hydrothermal carbonization as conditioners for aerobic composting produced multiple beneficial effects: Evaluation based on 10-ton pilot scale trials
作者：Feng, Yuanyuan;Tang, Qingtong;Feng, Yuanyuan;Tang, Qingtong;Wang, Lisha;Jin, Hongmei;Feng, Yanfang;Xue, Lihong;Xie, Wenping;Yu, Jie;Zhang, Mingchao;Wang, Bingyu;Xie, Huifang;Bo, Luji
关键词：Pyrochar; Hydrochar; Hydrothermal carbonization aqueous phase; Aerobic composting; Compost quality
-
Hydrothermal temperature-dependent compositions and copper complexing behaviors of hydrochar-derived dissolved organic matter: Insights from FT-ICR MS and multi-spectroscopic analysis
作者：Chen, Bingfa;You, Bensheng;Chen, Bingfa;Gu, Xincai;Feng, Yanfang;Zheng, Jingcheng;Han, Shiqun;Gu, Xincai;Zheng, Jingcheng;Liu, Hong;Feng, Muhua;Wang, Bingyu;Han, Shiqun
关键词：Hydrochar; Dissolved organic matter; Molecular characterizations; Cu(II) binding; Two-dimensional correlation analysis (2D-COS)
-
Converting Biochar Into Biochar-Based Urea Promotes Environmental and Economic Sustainability in Rice-Wheat Rotation System
作者：Gong, Xueliu;Shi, Wei;Wu, Jiarong;Qin, Jingsong;Zheng, Jufeng;Cheng, Kun;Joseph, Stephen;Bian, Rongjun;Li, Lianqing;Pan, Genxing;Gong, Xueliu;Shi, Wei;Wu, Jiarong;Qin, Jingsong;Zheng, Jufeng;Cheng, Kun;Joseph, Stephen;Bian, Rongjun;Li, Lianqing;Pan, Genxing;Gong, Xueliu;Wu, Jiarong;Qin, Jingsong;Zheng, Jufeng;Cheng, Kun;Bian, Rongjun;Li, Lianqing;Shi, Wei;Huang, Wang;Feng, Yanfang;Huang, Wang;Sun, Haijun;Joseph, Stephen;Chen, Junhui
关键词：biochar-based urea; environmental sustainability; greenhouse gases; NH3 volatilization; nitrogen use efficiency; rice-wheat rotation; soil aggregation
-
Soil nitrogen deficiency aggravated the aging of biodegradable microplastics in paddy soil under the input of organic substances with contrasting C/N ratios
作者：Huang, Junxia;Liu, Yidan;Xie, Huifang;Liu, Xiaobo;Wang, Bingyu;Huang, Junxia;Liu, Yidan;Feng, Yanfang
关键词：Biodegradable microplastics; Aging process; Paddy soil; Straw return; Organic fertilizer
-
Aerobic composting with hydrothermal carbonization aqueous phase conditioning: Stabilized active gaseous nitrogen emissions
作者：Feng, Yuanyuan;Sun, Haijun;Chen, Sen;Feng, Yuanyuan;Chen, Sen;Jin, Hongmei;Feng, Yanfang;Xue, Lihong;Feng, Yuanyuan;Chen, Sen;Jin, Hongmei;Feng, Yanfang;Xue, Lihong;Xie, Wenping;Feng, Yuanyuan;Poinern, Gerrard Eddy Jai
关键词：HAP; Compost fertility; Gaseous nitrogen emission; Microbial community; Poultry manure
-
Efficient magnetic capture of PE microplastic from water by PEG modified Fe3 O4 nanoparticles: Performance, kinetics, isotherms and influence factors
作者：Zhang, Yifan;Feng, Yanfang;Xue, Lihong;He, Shiying;Zhang, Yifan;Duan, Jingjing;Liu, Ruiqian;Feng, Yanfang;Xue, Lihong;Yang, Linzhang;He, Shiying;Petropoulos, Evangelos;Petropoulos, Evangelos
关键词：Microplastic removal; Adsorption; Magnetic nanoparticles; Wastewater; Surface modification
-
Does higher crop N utilization lead to lower NH3 volatilization in paddies?
作者：Chen, Mengxia;Ke, Jian;Zhang, Fangqi;Wu, Liquan;Hou, Pengfu;Chen, Mengxia;Yang, Bei;Zhang, Fangqi;Hou, Pengfu;Yang, Linzhang;Xue, Lihong
关键词：Paddy field; N use efficiency; Ammonia volatilization; Root bleeding sap; Leaf area index
