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ISSN
| 1662-7482 | |
DDC
| 542 | |
Nhan đề
| The comparison of surface modification methods of the heavy metals adsorption of activated carbon from rice husk / Hoa Thai Ma, Van Thi Thanh, Nguyen Bao Pham,
Giang Long Bach, Tuan Dinh Phan | |
Thông tin xuất bản
| Switzerland : Trans Tech Publications, 2018 | |
Mô tả vật lý
| 6 p. | |
Tóm tắt
| Surface modification of activated carbon (AC) could be done through different methods in order to modify their specific physical and chemical properties to facilitate metals removal from wastewater. Three methods were used to modify the rice husk AC (RHAC) including the use of (1) HNO3, (2) dithizone and (3) the combination of HNO3 with dithizone. These modification agents were increased its affinity towards the desired pollutant. The modification methods demonstrated the effective process for the metal ions adsorption capability and the removal of them from water. For Ni2+ and Cd2+ adsorption, RHAC was modified by HNO3 giving the best adsorption capacity in comparison with using dithizone or the combination of HNO3 with dithizone. That adsorption was reached 17.23 mg/g for Ni2+ and 29.61 mg/g for Cd2+. Additionally, the surface area, which was characterized by BET (Brunauer–Emmett–Teller) of RHAC, was 710.8 m2/g and DA micropore volume was 0.447 (cm3/g). Especially, the only modified RHACs had the peak of N-H functional group by using Fourier transform infrared spectrum (FTIR). Besides, the only RHAC modification by HNO3 had peak of C=O. That significantly contributed to increase the metal ions adsorption capacity of RHAC. | |
Từ khóa tự do
| Activated carbon | |
Từ khóa tự do
| Rice husk | |
Từ khóa tự do
| Surface modification | |
Từ khóa tự do
| Ni2+ | |
Từ khóa tự do
| Cd2+ | |
Khoa
| Khoa Công nghệ Hoá học & Thực phẩm | |
Tác giả(bs) CN
| Ho, Van Thi Thanh | |
Tác giả(bs) CN
| Pham, Nguyen Bao | |
Tác giả(bs) CN
| Ma, Hoa Thai | |
Tác giả(bs) CN
| Bach, Long Giang | |
Tác giả(bs) CN
| Phan, Tuan Dinh | |
Nguồn trích
| Applied Mechanics and Materials.
Số: Vol. 876 (2018), P.91-96, , | |
Địa chỉ
| Thư Viện Đại học Nguyễn Tất Thành | |
Tệp tin điện tử
| https://doi.org/10.4028/www.scientific.net/AMM.876.91 |
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| 082 | |a542|223 |
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| 245 | |aThe comparison of surface modification methods of the heavy metals adsorption of activated carbon from rice husk / |cHoa Thai Ma, Van Thi Thanh, Nguyen Bao Pham,
Giang Long Bach, Tuan Dinh Phan |
|---|
| 260 | |aSwitzerland : |bTrans Tech Publications, |c2018 |
|---|
| 300 | |a6 p. |
|---|
| 520 | |aSurface modification of activated carbon (AC) could be done through different methods in order to modify their specific physical and chemical properties to facilitate metals removal from wastewater. Three methods were used to modify the rice husk AC (RHAC) including the use of (1) HNO3, (2) dithizone and (3) the combination of HNO3 with dithizone. These modification agents were increased its affinity towards the desired pollutant. The modification methods demonstrated the effective process for the metal ions adsorption capability and the removal of them from water. For Ni2+ and Cd2+ adsorption, RHAC was modified by HNO3 giving the best adsorption capacity in comparison with using dithizone or the combination of HNO3 with dithizone. That adsorption was reached 17.23 mg/g for Ni2+ and 29.61 mg/g for Cd2+. Additionally, the surface area, which was characterized by BET (Brunauer–Emmett–Teller) of RHAC, was 710.8 m2/g and DA micropore volume was 0.447 (cm3/g). Especially, the only modified RHACs had the peak of N-H functional group by using Fourier transform infrared spectrum (FTIR). Besides, the only RHAC modification by HNO3 had peak of C=O. That significantly contributed to increase the metal ions adsorption capacity of RHAC. |
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| 653 | |aActivated carbon |
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| 653 | |aRice husk |
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| 653 | |aSurface modification |
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| 653 | |aNi2+ |
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| 653 | |aCd2+ |
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| 690 | |aKhoa Công nghệ Hoá học & Thực phẩm |
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| 700 | |aHo, Van Thi Thanh |
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| 700 | |aPham, Nguyen Bao |
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| 700 | |aMa, Hoa Thai |
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| 700 | |aBach, Long Giang |
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| 700 | |aPhan, Tuan Dinh |
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| 773 | |tApplied Mechanics and Materials|gVol. 876 (2018), P.91-96 |
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| 852 | |aThư Viện Đại học Nguyễn Tất Thành |
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| 856 | |uhttps://doi.org/10.4028/www.scientific.net/AMM.876.91 |
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| 890 | |c1|a0|b0|d0 |
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