Preparation and characterization of activated carbons from spirit lees by physical activation
文献类型：期刊论文
| 作者 | Li Qiang1; Wang Yin1; Yu Jian1; Yi Bin3; Yang Jun3; Xu Guang-wen1 |
| 刊名 | NEW CARBON MATERIALS
 |
| 出版日期 | 2012-12-01 |
| 卷号 | 27期号:6页码:440-447 |
| 关键词 | Spirit lees Porous carbon Physical activation Industrial biomass Process residue |
| ISSN号 | 1007-8827 |
| 其他题名 | New Carbon Mater. |
| 中文摘要 | Spirit lees was carbonized and then activated by steam. and CO, to prepare activated carbons. The effect of carbonization temperature, type and amount of activator, activation temperature and time on the pore structure, and the adsorption of methylene blue and iodine were investigated. The gas products during activation were analyzed online to reveal the activation mechanism Results showed that steam activation was rather more active than CO2. Regardless of the activation agent, a low carbonization temperature of 450 degrees C and a medium activation temperature of 800 degrees C favored the iodine adsorption. For the methylene blue adsorption, the same low carbonization temperature of 450 degrees C, however, medium/high activation temperatures (850 to 900 degrees C) are favorable. The best activated carbon was prepared with a steam activator using a carbonization temperature of 450 degrees C and an activation temperature of 800 C, which had a surface area and pore volume of 371.6 m(2)/g and 0.34 cm(3)/g, and iodine and methylene blue adsorption capacities of 580 mg/g and 90 mg/g respectively. O- and H-containing functional groups in the carbonized spirit lees reacted with the activation regent (steam or CO,) to form the initial pores, then the accessible active sites reacted with the activation regent to generate secondary pores. |
| 英文摘要 | Spirit lees was carbonized and then activated by steam. and CO, to prepare activated carbons. The effect of carbonization temperature, type and amount of activator, activation temperature and time on the pore structure, and the adsorption of methylene blue and iodine were investigated. The gas products during activation were analyzed online to reveal the activation mechanism Results showed that steam activation was rather more active than CO2. Regardless of the activation agent, a low carbonization temperature of 450 degrees C and a medium activation temperature of 800 degrees C favored the iodine adsorption. For the methylene blue adsorption, the same low carbonization temperature of 450 degrees C, however, medium/high activation temperatures (850 to 900 degrees C) are favorable. The best activated carbon was prepared with a steam activator using a carbonization temperature of 450 degrees C and an activation temperature of 800 C, which had a surface area and pore volume of 371.6 m(2)/g and 0.34 cm(3)/g, and iodine and methylene blue adsorption capacities of 580 mg/g and 90 mg/g respectively. O- and H-containing functional groups in the carbonized spirit lees reacted with the activation regent (steam or CO,) to form the initial pores, then the accessible active sites reacted with the activation regent to generate secondary pores. |
| WOS标题词 | Science & Technology ; Technology |
| 类目[WOS] | Materials Science, Multidisciplinary |
| 研究领域[WOS] | Materials Science |
| 收录类别 | SCI |
| 原文出处 | |
| 语种 | 英语 |
| WOS记录号 | WOS:000314009500007 |
| 公开日期 | 2013-11-28 |
| 版本 | 出版稿 |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/6441]  |
| 专题 | 过程工程研究所_研究所（批量导入） |
| 作者单位 | 1.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China 2.CNOOC New Energy Investment Co Ltd, Beijing 100016, Peoples R China 3.Luzhou Laojiao Grp, Luzhou 646000, Sichuan, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li Qiang,Wang Yin,Yu Jian,et al. Preparation and characterization of activated carbons from spirit lees by physical activation[J]. NEW CARBON MATERIALS,2012,27(6):440-447. |
| APA | Li Qiang,Wang Yin,Yu Jian,Yi Bin,Yang Jun,&Xu Guang-wen.(2012).Preparation and characterization of activated carbons from spirit lees by physical activation.NEW CARBON MATERIALS,27(6),440-447. |
| MLA | Li Qiang,et al."Preparation and characterization of activated carbons from spirit lees by physical activation".NEW CARBON MATERIALS 27.6(2012):440-447. |
入库方式： OAI收割
来源：过程工程研究所
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