| Enhanced adsorption of ammonium using hydrogel composites based on chitosan and halloysite | |
| Department | 环境材料与生态化学研究发展中心 |
Zheng YA(郑易安) ; Wang AQ(王爱勤); 王爱勤 aqwang@licp.cas.cn
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| 2010 | |
| Source Publication | Journal of Macromolecular Science: Pure and Applied Chemistry
 |
| ISSN | 1060-1325 |
| Volume | 47Issue:1Pages:33-38 |
| Abstract | In this work, chitosan was used as the backbone to graft poly(acrylic acid) to form granular hydrogel composite with halloysite (HT) particles being embedded within the polymeric networks. This hydrogel composite was characterized by means of Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). Then, this hydrogel composite was selected as the adsorbent to remove ammonium from synthetic wastewater. The results indicate that by introducing HT particles into the polymeric networks, the resulting composite shows comparable adsorption capacity to that of pure polymer hydrogel for NH+4 removal. The adsorption equilibrium can be achieved within 5 min with the equilibrium adsorption capacity of 27.7 mg N/g and monolayer adsorption capacity of 40.9 mg N/g (30 wt% HT). The adsorption process is pH-independent within 4.0–7.0, and the adsorption capacity of as-prepared adsorbent is not affected over the cycles of adsorption studied (5 cycles). |
| Keyword | Adsorption Ammonium Chitosan Halloysite Hydrogel Composite |
| Subject Area | 功能高分子 |
| Funding Organization | 江苏省科技厅项目(BS2007118) |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | 功能复合材料组 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.licp.cn/handle/362003/123 |
| Collection | 环境材料与生态化学研究发展中心 |
| Corresponding Author | 王爱勤 aqwang@licp.cas.cn |
| Recommended Citation GB/T 7714 | Zheng YA,Wang AQ,王爱勤 aqwang@licp.cas.cn. Enhanced adsorption of ammonium using hydrogel composites based on chitosan and halloysite[J]. Journal of Macromolecular Science: Pure and Applied Chemistry,2010,47(1):33-38. |
| APA | 郑易安,王爱勤,&王爱勤 aqwang@licp.cas.cn.(2010).Enhanced adsorption of ammonium using hydrogel composites based on chitosan and halloysite.Journal of Macromolecular Science: Pure and Applied Chemistry,47(1),33-38. |
| MLA | 郑易安,et al."Enhanced adsorption of ammonium using hydrogel composites based on chitosan and halloysite".Journal of Macromolecular Science: Pure and Applied Chemistry 47.1(2010):33-38. |
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| 20104713338.pdf（1858KB） | 开放获取 | License | View Application Full Text | |||
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