Study on the technology of thermal cracking of paraffin to alpha olefins
文献类型：期刊论文
| 作者 | Chen, Xinde1,2 ; Yan, YongJie1
|
| 刊名 | journal of analytical and applied pyrolysis
 |
| 出版日期 | 2008 |
| 卷号 | 81期号:1页码:106-112 |
| 关键词 | alpha olefins paraffin cracking hard paraffin ethylene cracking |
| ISSN号 | 0165-2370 |
| 通讯作者 | cxd_cxd@hotmail.com |
| 中文摘要 | alpha olefins are mainly produced from paraffin cracking in china, but their quality is not good because of bad quality of cracking feed and outdated technology. the technology of paraffin once-through cracking, paraffin recycle cracking of removing the heavy fraction after wax vaporizing and that of removing the heavy fraction before wax vaporizing were investigated in this paper. it was found that the technology of paraffin recycle cracking of removing the heavy fraction before wax vaporizing is new and better under the same operating conditions. using hard paraffin (mp 54-56 degrees c) as feed, the high-quality alpha olefins products (c-5-c-21) containing more than 97 wt% of olefins and more than 88 wt% of alpha olefins are produced under optimum process conditions, which are a steam to paraffin ratio of 15 wt%, process temperature of 600 degrees c, low hydrocarbon partial pressure and residence time of 2 s. in addition, with the technology of the second injecting steam in ethylene cracking used in paraffin cracking, producing coke in paraffin cracking furnace has been markedly reduced. |
| 英文摘要 | alpha olefins are mainly produced from paraffin cracking in china, but their quality is not good because of bad quality of cracking feed and outdated technology. the technology of paraffin once-through cracking, paraffin recycle cracking of removing the heavy fraction after wax vaporizing and that of removing the heavy fraction before wax vaporizing were investigated in this paper. it was found that the technology of paraffin recycle cracking of removing the heavy fraction before wax vaporizing is new and better under the same operating conditions. using hard paraffin (mp 54-56 degrees c) as feed, the high-quality alpha olefins products (c(5)-c(21)) containing more than 97 wt% of olefins and more than 88 wt% of alpha olefins are produced under optimum process conditions, which are a steam to paraffin ratio of 15 wt%, process temperature of 600 degrees c, low hydrocarbon partial pressure and residence time of 2 s. in addition, with the technology of the second injecting steam in ethylene cracking used in paraffin cracking, producing coke in paraffin cracking furnace has been markedly reduced. (c) 2007 elsevier b.v. all rights reserved. |
| WOS标题词 | science & technology ; physical sciences ; technology |
| 类目[WOS] | chemistry, analytical ; spectroscopy |
| 研究领域[WOS] | chemistry ; spectroscopy |
| 关键词[WOS] | wax ; oil |
| 收录类别 | SCI |
| 原文出处 | http://www.sciencedirect.com/science/journal/01652370 |
| 语种 | 英语 |
| WOS记录号 | WOS:000252485300017 |
| 公开日期 | 2010-09-23 |
| 源URL | [http://ir.giec.ac.cn/handle/344007/3436]  |
| 专题 | 中国科学院广州能源研究所 集成技术研发中心 |
| 作者单位 | 1.E China Univ Sci & Technol, Coll Resource & Environm Engn, Shanghai 200237, Peoples R China 2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chen, Xinde,Yan, YongJie. Study on the technology of thermal cracking of paraffin to alpha olefins[J]. journal of analytical and applied pyrolysis,2008,81(1):106-112. |
| APA | Chen, Xinde,&Yan, YongJie.(2008).Study on the technology of thermal cracking of paraffin to alpha olefins.journal of analytical and applied pyrolysis,81(1),106-112. |
| MLA | Chen, Xinde,et al."Study on the technology of thermal cracking of paraffin to alpha olefins".journal of analytical and applied pyrolysis 81.1(2008):106-112. |
入库方式： OAI收割
来源：广州能源研究所
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