Architecting organo silica nanosheets for regenerable cost-effective organics adsorbents
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作者:
Shen, Tao
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China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R ChinaChina Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
Shen, Tao
[1
]
Gao, Manglai
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China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R ChinaChina Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
Gao, Manglai
[1
]
Zang, Weili
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China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R ChinaChina Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
Zang, Weili
[1
]
Ding, Fan
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China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R ChinaChina Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
Ding, Fan
[1
]
Wang, Jie
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China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R ChinaChina Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
Wang, Jie
[1
]
机构:
[1] China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
Organo silica nanosheets (organo-SiNSs) debut as superior adsorbents on organics removal stage. The precursor ultrathin silica nanosheets (SiNSs) provided with large surface area, uniform lamellar structure and low layer charge comes from acid leaching of vermiculite (Vt). By decoration with different cationic gemini surfactants, 1,3-bis (hexadecyldimethylammonio)-2-hydroxypropane dichloride (BHHP) and bis-N,N,N-hexadecyldimethyl-p-phenylenediammonium dibromide (BHPD), organo-SiNSs could be successfully prepared and used as adsorbent for benzoic acid (BA). The surface and structure of the resultant organo-SiNSs are characterized by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), elemental analysis (EA), thermo-gravimetric analysis (TG), electron microscopy (SEM and TEM) and surface areas analysis (BET). Enhanced adsorption process detected by BA yields good potential from the standpoint of particularly rapid adsorption feature within 10 min and cost-effective character throughout the process. The adsorption capacity of organo-SiNSs is much higher than the level of organo-clays. Intriguingly, the adsorption capacity of BHPD-SiNSs (81.72 mg g(-1)) higher than that of BHHP-SiNSs (58.44 mg g(-1)), which verifies the strength: pi-pi interaction > hydrogen bond. Kinetics, isotherm and thermodynamics analysis on the adsorption properties are also conducted for adsorption mechanisms. The adsorption process is sustainable as the spent organo-SiNSs could regenerate by simple acid pickling methods at least for three cycles. This adsorbent organo-SiNSs lifts the veil the enormous related organo-silicate materials to serve as tunable and cost-effective adsorbents for specific organics retention.
机构:
China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R ChinaChina Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
Liu, Yuening
;
Gao, Manglai
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China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R ChinaChina Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
Gao, Manglai
;
Gu, Zheng
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China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R ChinaChina Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
Gu, Zheng
;
Luo, Zhongxin
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China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R ChinaChina Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
Luo, Zhongxin
;
Ye, Yage
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China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R ChinaChina Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
Ye, Yage
;
Lu, Laifu
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China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R ChinaChina Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
机构:
Ulsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Dept Energy Engn, UNIST Gil 50, Ulsan 44919, South KoreaUlsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Dept Energy Engn, UNIST Gil 50, Ulsan 44919, South Korea
Ryu, Jaegeon
;
Jang, Youn Jeong
论文数: 0引用数: 0
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Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Pohang, South KoreaUlsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Dept Energy Engn, UNIST Gil 50, Ulsan 44919, South Korea
Jang, Youn Jeong
;
Choi, Sinho
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Ulsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Dept Energy Engn, UNIST Gil 50, Ulsan 44919, South KoreaUlsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Dept Energy Engn, UNIST Gil 50, Ulsan 44919, South Korea
Choi, Sinho
;
Kang, Hyun Joon
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Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Pohang, South KoreaUlsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Dept Energy Engn, UNIST Gil 50, Ulsan 44919, South Korea
Kang, Hyun Joon
;
Park, Hyungmin
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Ulsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Dept Energy Engn, UNIST Gil 50, Ulsan 44919, South KoreaUlsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Dept Energy Engn, UNIST Gil 50, Ulsan 44919, South Korea
机构:
UNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 689798, South KoreaUNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 689798, South Korea
Ryu, Jaegeon
;
Hong, Dongki
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UNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 689798, South KoreaUNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 689798, South Korea
Hong, Dongki
;
Choi, Sinho
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机构:
UNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 689798, South KoreaUNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 689798, South Korea
Choi, Sinho
;
Park, Soojin
论文数: 0引用数: 0
h-index: 0
机构:
UNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 689798, South KoreaUNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 689798, South Korea
机构:
China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R ChinaChina Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
Liu, Yuening
;
Gao, Manglai
论文数: 0引用数: 0
h-index: 0
机构:
China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R ChinaChina Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
Gao, Manglai
;
Gu, Zheng
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机构:
China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R ChinaChina Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
Gu, Zheng
;
Luo, Zhongxin
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h-index: 0
机构:
China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R ChinaChina Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
Luo, Zhongxin
;
Ye, Yage
论文数: 0引用数: 0
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机构:
China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R ChinaChina Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
Ye, Yage
;
Lu, Laifu
论文数: 0引用数: 0
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机构:
China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R ChinaChina Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
机构:
Ulsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Dept Energy Engn, UNIST Gil 50, Ulsan 44919, South KoreaUlsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Dept Energy Engn, UNIST Gil 50, Ulsan 44919, South Korea
Ryu, Jaegeon
;
Jang, Youn Jeong
论文数: 0引用数: 0
h-index: 0
机构:
Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Pohang, South KoreaUlsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Dept Energy Engn, UNIST Gil 50, Ulsan 44919, South Korea
Jang, Youn Jeong
;
Choi, Sinho
论文数: 0引用数: 0
h-index: 0
机构:
Ulsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Dept Energy Engn, UNIST Gil 50, Ulsan 44919, South KoreaUlsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Dept Energy Engn, UNIST Gil 50, Ulsan 44919, South Korea
Choi, Sinho
;
Kang, Hyun Joon
论文数: 0引用数: 0
h-index: 0
机构:
Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Pohang, South KoreaUlsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Dept Energy Engn, UNIST Gil 50, Ulsan 44919, South Korea
Kang, Hyun Joon
;
Park, Hyungmin
论文数: 0引用数: 0
h-index: 0
机构:
Ulsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Dept Energy Engn, UNIST Gil 50, Ulsan 44919, South KoreaUlsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Dept Energy Engn, UNIST Gil 50, Ulsan 44919, South Korea
机构:
UNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 689798, South KoreaUNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 689798, South Korea
Ryu, Jaegeon
;
Hong, Dongki
论文数: 0引用数: 0
h-index: 0
机构:
UNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 689798, South KoreaUNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 689798, South Korea
Hong, Dongki
;
Choi, Sinho
论文数: 0引用数: 0
h-index: 0
机构:
UNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 689798, South KoreaUNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 689798, South Korea
Choi, Sinho
;
Park, Soojin
论文数: 0引用数: 0
h-index: 0
机构:
UNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 689798, South KoreaUNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 689798, South Korea