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Effect of phosphoric acid on the surface properties and Pb(II) adsorption mechanisms of hydrochars prepared from fresh bananapeels

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成果类型:
期刊论文
作者:
Zhou, Nan;Chen, Honggang;Feng, Qiuju;Yao, Denghui;Chen, Huanli;...
通讯作者:
Zhou, Zhi;Li, Huiyong
作者机构:
[Chen, Honggang; Chen, Huanli; Zhou, Zhi; Li, Huiyong; Zhou, Nan; Yao, Denghui] Hunan Agr Univ, Coll Sci, Changsha 410128, Hunan, Peoples R China.
[Feng, Qiuju] Jishou Univ, Coll Chem & Chem Engn, Jishou 416000, Peoples R China.
[Wang, Haiyan] Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China.
[Tian, Yun; Lu, Xiangyang] Hunan Agr Univ, Coll Biosci & Biotechnol, Changsha 410128, Hunan, Peoples R China.
通讯机构:
[Zhou, Z; Li, HY] H
Hunan Agr Univ, Coll Sci, Changsha 410128, Hunan, Peoples R China.
语种:
英文
关键词:
Carbon;Carbonization;Catalysis;Fruits;Heavy metals;Phosphoric acid;Surface properties;Thermochemistry;Adsorption mechanism;Banana peels;Bio chars;Heavy metals removals;Hydrochar;Hydrothermal carbonization;Adsorption
期刊:
Journal of Cleaner Production
ISSN:
0959-6526
年:
2017
卷:
165
页码:
221-230
基金类别:
China Postdoctoral Science FoundationChina Postdoctoral Science Foundation [2016M592427]; Chinese National Natural Science FoundationNational Natural Science Foundation of China (NSFC) [21402063]; Natural Science Foundation of Hunan ProvinceNatural Science Foundation of Hunan Province [2016JJ3065, 2015JJ6091]; Hunan Agricultural University [13YJ02, 14YJ05]; Hunan Provincial Key Laboratory for Germplasm Innovation and Utilization of Crop [15KFXM20]
机构署名:
本校为第一且通讯机构
院系归属:
理学院
生物科学技术学院
摘要:
The acidic environment has been confirmed to have significant influence on the biochar products through hydrothermal carbonization. To investigate the effect of H3PO4on the surface properties and adsorption mechanisms of the biochar, fresh banana peels were used as feedstock and transformed into hydrochars under the catalysis of H3PO4with concentration ranges from 0% to 50%wt. The addition of H3PO4greatly impacted the physicochemical properties of the as-obtained hydrochars, such as carbonization degrees, pH values, amount of surface acidic functional groups and then further affected the adsor...

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