| Preparation and Characteristics of a pH-sensitive Glucose-based Hydrogel |
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| Author Name | Affiliation | | Yan Lin1,2 | 1. Institute of Chemical Industry of Forestry Products, CAF
Key Lab of Biomass Energy and Material, Jiangsu Province
National Engineering Lab for Biomass Chemical Utilization
Key and Open Lab on Forest Chemical Engineering, SFA, Nanjing, Jiangsu Province, 210042, China
2. Collaborative Innovation Center for High Efficient Processing and Utilization of Forestry Resources, Nanjing Forestry University, Nanjing, Jiangsu Province, 210037, China | | GuiGan Fang1,2,* | 1. Institute of Chemical Industry of Forestry Products, CAF
Key Lab of Biomass Energy and Material, Jiangsu Province
National Engineering Lab for Biomass Chemical Utilization
Key and Open Lab on Forest Chemical Engineering, SFA, Nanjing, Jiangsu Province, 210042, China
2. Collaborative Innovation Center for High Efficient Processing and Utilization of Forestry Resources, Nanjing Forestry University, Nanjing, Jiangsu Province, 210037, China | | YongJun Deng1,2 | 1. Institute of Chemical Industry of Forestry Products, CAF
Key Lab of Biomass Energy and Material, Jiangsu Province
National Engineering Lab for Biomass Chemical Utilization
Key and Open Lab on Forest Chemical Engineering, SFA, Nanjing, Jiangsu Province, 210042, China
2. Collaborative Innovation Center for High Efficient Processing and Utilization of Forestry Resources, Nanjing Forestry University, Nanjing, Jiangsu Province, 210037, China | | KuiZhong Shen1,2 | 1. Institute of Chemical Industry of Forestry Products, CAF
Key Lab of Biomass Energy and Material, Jiangsu Province
National Engineering Lab for Biomass Chemical Utilization
Key and Open Lab on Forest Chemical Engineering, SFA, Nanjing, Jiangsu Province, 210042, China
2. Collaborative Innovation Center for High Efficient Processing and Utilization of Forestry Resources, Nanjing Forestry University, Nanjing, Jiangsu Province, 210037, China | | Ting Wu1,2 | 1. Institute of Chemical Industry of Forestry Products, CAF
Key Lab of Biomass Energy and Material, Jiangsu Province
National Engineering Lab for Biomass Chemical Utilization
Key and Open Lab on Forest Chemical Engineering, SFA, Nanjing, Jiangsu Province, 210042, China
2. Collaborative Innovation Center for High Efficient Processing and Utilization of Forestry Resources, Nanjing Forestry University, Nanjing, Jiangsu Province, 210037, China | | Man Li1,2 | 1. Institute of Chemical Industry of Forestry Products, CAF
Key Lab of Biomass Energy and Material, Jiangsu Province
National Engineering Lab for Biomass Chemical Utilization
Key and Open Lab on Forest Chemical Engineering, SFA, Nanjing, Jiangsu Province, 210042, China
2. Collaborative Innovation Center for High Efficient Processing and Utilization of Forestry Resources, Nanjing Forestry University, Nanjing, Jiangsu Province, 210037, China |
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| Fund Project:This work was supported by the Research Grant of Jiangsu Province Biomass Energy and Materials Laboratory (JSBEM-S-201510) and the Natural Science Foundation of Jiangsu Province of China (BK20160151). |
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| Abstract:With glucose as the template compound, a pH-sensitive hydrogel was prepared by polymerization of the modified glucose, acrylamide, and acrylic acid. The porous hydrogel showed the highest swelling ratio of 42.7 g/g at pH=7.4 and the best adsorption of methylene blue at pH=7. The Langmuir isotherm fitted very well to the equilibrium adsorption data with the maximum adsorption capacity of 49.1 mg/g. The adsorption kinetics were well described by the pseudo 2nd order model. Adsorption studies suggested that the pH-sensitive glucose-based hydrogel could be used as an adsorbent for the removal of methylene blue from wastewater. Other applications of the hydrogel are on the way, such as scaffolding in the biomedical field and soil conditioning in agriculture. |
| keywords:glucose-based hydrogel pH-sensitive methylene blue adsorption |
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