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Preparation and Characterization of Amino-Functionalized Geopolymer Microspheres
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| Zeitschriftentitel: | IOP Conference Series: Materials Science and Engineering |
|---|---|
| Personen und Körperschaften: | , , , , |
| In: | IOP Conference Series: Materials Science and Engineering, 678, 2019, 1, S. 012114 |
| Format: | E-Article |
| Sprache: | Unbestimmt |
| veröffentlicht: |
IOP Publishing
|
| author_facet |
Chen, M L Ge, Y Y Xue, G H Xu, M X Cui, X M Chen, M L Ge, Y Y Xue, G H Xu, M X Cui, X M |
|---|---|
| author |
Chen, M L Ge, Y Y Xue, G H Xu, M X Cui, X M |
| spellingShingle |
Chen, M L Ge, Y Y Xue, G H Xu, M X Cui, X M IOP Conference Series: Materials Science and Engineering Preparation and Characterization of Amino-Functionalized Geopolymer Microspheres |
| author_sort |
chen, m l |
| spelling |
Chen, M L Ge, Y Y Xue, G H Xu, M X Cui, X M 1757-8981 1757-899X IOP Publishing http://dx.doi.org/10.1088/1757-899x/678/1/012114 <jats:title>Abstract</jats:title> <jats:p>Geopolymer microspheres have the advantages of environmentally friendly, cost-effective, easily to synthesize and regenerate, which can be applied for adsorption of heavy metal ions from aqueous solution. In this study, the amino-functionalized metakaolin-based geopolymer microspheres (NH<jats:sub>2</jats:sub>-MGS) were synthesized by coupling agent method using N-βaminoethyl-γ-aminopropyltrimethoxysilane (AEAPTS). The influences of AEAPTS dosage and temperature on modification efficiency were investigated in detail, and the properties of NH<jats:sub>2</jats:sub>-MGS were characterized by SEM, EDS, BET, XRD and FTIR analysis. It is shown that amino groups were grafted onto the surface of geopolymer microspheres successfully, and the amount of amino groups grafted increased as the AEAPTS dosage further increasing to 15 wt% and the temperature to 70 °C. The BET specific surface area of NH<jats:sub>2</jats:sub>-MGS increased significantly from 23.78 to 63.78 m<jats:sup>2</jats:sup>/g with a corresponding increase of micropores and porosity, which have great potential as adsorbent for removal of heavy metal ions.</jats:p> Preparation and Characterization of Amino-Functionalized Geopolymer Microspheres IOP Conference Series: Materials Science and Engineering |
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| title |
Preparation and Characterization of Amino-Functionalized Geopolymer Microspheres |
| title_unstemmed |
Preparation and Characterization of Amino-Functionalized Geopolymer Microspheres |
| title_full |
Preparation and Characterization of Amino-Functionalized Geopolymer Microspheres |
| title_fullStr |
Preparation and Characterization of Amino-Functionalized Geopolymer Microspheres |
| title_full_unstemmed |
Preparation and Characterization of Amino-Functionalized Geopolymer Microspheres |
| title_short |
Preparation and Characterization of Amino-Functionalized Geopolymer Microspheres |
| title_sort |
preparation and characterization of amino-functionalized geopolymer microspheres |
| url |
http://dx.doi.org/10.1088/1757-899x/678/1/012114 |
| publishDate |
2019 |
| physical |
012114 |
| description |
<jats:title>Abstract</jats:title>
<jats:p>Geopolymer microspheres have the advantages of environmentally friendly, cost-effective, easily to synthesize and regenerate, which can be applied for adsorption of heavy metal ions from aqueous solution. In this study, the amino-functionalized metakaolin-based geopolymer microspheres (NH<jats:sub>2</jats:sub>-MGS) were synthesized by coupling agent method using N-βaminoethyl-γ-aminopropyltrimethoxysilane (AEAPTS). The influences of AEAPTS dosage and temperature on modification efficiency were investigated in detail, and the properties of NH<jats:sub>2</jats:sub>-MGS were characterized by SEM, EDS, BET, XRD and FTIR analysis. It is shown that amino groups were grafted onto the surface of geopolymer microspheres successfully, and the amount of amino groups grafted increased as the AEAPTS dosage further increasing to 15 wt% and the temperature to 70 °C. The BET specific surface area of NH<jats:sub>2</jats:sub>-MGS increased significantly from 23.78 to 63.78 m<jats:sup>2</jats:sup>/g with a corresponding increase of micropores and porosity, which have great potential as adsorbent for removal of heavy metal ions.</jats:p> |
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| author | Chen, M L, Ge, Y Y, Xue, G H, Xu, M X, Cui, X M |
| author_facet | Chen, M L, Ge, Y Y, Xue, G H, Xu, M X, Cui, X M, Chen, M L, Ge, Y Y, Xue, G H, Xu, M X, Cui, X M |
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| description | <jats:title>Abstract</jats:title> <jats:p>Geopolymer microspheres have the advantages of environmentally friendly, cost-effective, easily to synthesize and regenerate, which can be applied for adsorption of heavy metal ions from aqueous solution. In this study, the amino-functionalized metakaolin-based geopolymer microspheres (NH<jats:sub>2</jats:sub>-MGS) were synthesized by coupling agent method using N-βaminoethyl-γ-aminopropyltrimethoxysilane (AEAPTS). The influences of AEAPTS dosage and temperature on modification efficiency were investigated in detail, and the properties of NH<jats:sub>2</jats:sub>-MGS were characterized by SEM, EDS, BET, XRD and FTIR analysis. It is shown that amino groups were grafted onto the surface of geopolymer microspheres successfully, and the amount of amino groups grafted increased as the AEAPTS dosage further increasing to 15 wt% and the temperature to 70 °C. The BET specific surface area of NH<jats:sub>2</jats:sub>-MGS increased significantly from 23.78 to 63.78 m<jats:sup>2</jats:sup>/g with a corresponding increase of micropores and porosity, which have great potential as adsorbent for removal of heavy metal ions.</jats:p> |
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| spelling | Chen, M L Ge, Y Y Xue, G H Xu, M X Cui, X M 1757-8981 1757-899X IOP Publishing http://dx.doi.org/10.1088/1757-899x/678/1/012114 <jats:title>Abstract</jats:title> <jats:p>Geopolymer microspheres have the advantages of environmentally friendly, cost-effective, easily to synthesize and regenerate, which can be applied for adsorption of heavy metal ions from aqueous solution. In this study, the amino-functionalized metakaolin-based geopolymer microspheres (NH<jats:sub>2</jats:sub>-MGS) were synthesized by coupling agent method using N-βaminoethyl-γ-aminopropyltrimethoxysilane (AEAPTS). The influences of AEAPTS dosage and temperature on modification efficiency were investigated in detail, and the properties of NH<jats:sub>2</jats:sub>-MGS were characterized by SEM, EDS, BET, XRD and FTIR analysis. It is shown that amino groups were grafted onto the surface of geopolymer microspheres successfully, and the amount of amino groups grafted increased as the AEAPTS dosage further increasing to 15 wt% and the temperature to 70 °C. The BET specific surface area of NH<jats:sub>2</jats:sub>-MGS increased significantly from 23.78 to 63.78 m<jats:sup>2</jats:sup>/g with a corresponding increase of micropores and porosity, which have great potential as adsorbent for removal of heavy metal ions.</jats:p> Preparation and Characterization of Amino-Functionalized Geopolymer Microspheres IOP Conference Series: Materials Science and Engineering |
| spellingShingle | Chen, M L, Ge, Y Y, Xue, G H, Xu, M X, Cui, X M, IOP Conference Series: Materials Science and Engineering, Preparation and Characterization of Amino-Functionalized Geopolymer Microspheres |
| title | Preparation and Characterization of Amino-Functionalized Geopolymer Microspheres |
| title_full | Preparation and Characterization of Amino-Functionalized Geopolymer Microspheres |
| title_fullStr | Preparation and Characterization of Amino-Functionalized Geopolymer Microspheres |
| title_full_unstemmed | Preparation and Characterization of Amino-Functionalized Geopolymer Microspheres |
| title_short | Preparation and Characterization of Amino-Functionalized Geopolymer Microspheres |
| title_sort | preparation and characterization of amino-functionalized geopolymer microspheres |
| title_unstemmed | Preparation and Characterization of Amino-Functionalized Geopolymer Microspheres |
| url | http://dx.doi.org/10.1088/1757-899x/678/1/012114 |