Knowledge Management System Of Guangzhou Institute of Energy Conversion, CAS
| Production of Light Olefins from Biosyngas by Two-stage Catalytic Conversion Process via Dimethyl Ether | |
Li, Yu-ping1 ; Tu, Jun-ling1,2; Wang, Tie-jun1; Ma, Long-long1; Zhang, Xing-hua1; Zhang, Qing1; Cai, Chi-liu1
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| 2014-04-01 | |
| Source Publication | CHINESE JOURNAL OF CHEMICAL PHYSICS
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| Volume | 27Issue:2Pages:227-232 |
| Abstract | NiSAPO-34 and NiSAPO-34/HZSM-5 were prepared and evaluated for the performance of dimethyl ether (DME) conversion to light olefins (DTO). The processes of two-stage light olefin production, DME synthesis and the following DTO, were also investigated using biosyngas as feed gas over Cu/Zn/Al/HZSM-5 and the optimized 2%NiSAPO-34/HZSM-5. The results indicated that adding 2%Ni to SAPO-34 did not change its topology structure, but resulted in the forming of the moderately strong acidity with decreasing acid amounts, which slightly enhanced DME conversion activity and C-2=-C-3= selectivity. Mechanically mixing 2%NiSAPO-34 with HZSM-5 at the weight ratio of 3.0 further prolonged DME conversion activity to be more than 3 h, which was due to the stable acid sites from HZSM-5. The highest selectivity to light olefins of 90.8% was achieved at 2 h time on stream. The application of the optimized 2%NiSAPO-34/HZSM-5 in the second-stage reactor for DTO reaction showed that the catalytic activity was steady for more than 5 h and light olefin yield was as high as 84.6 g/m(syngas)(3) when the biosyngas (H-2/CO/CO2/N-2/CH4=41.5/26.9/14.2/14.6/2.89, vol%) with low H/C ratio of 1.0 was used as feed gas. |
| Subtype | Article |
| Keyword | Light Olefins Two-stage Conversion Dimethyl Ether Biosyngas Nisapo-34/hzsm-5 |
| WOS Headings | Science & Technology ; Physical Sciences |
| DOI | 10.1063/1674-0068/27/02/227-232 |
| WOS Subject Extended | Physics |
| WOS Keyword | METHANOL CONVERSION ; IN-SITU ; MTO PROCESS ; SAPO-34 ; DEACTIVATION ; SPECTROSCOPY ; CRYSTALS ; ZSM-5 ; SIZE |
| Indexed By | SCI |
| Language | 英语 |
| WOS Subject | Physics, Atomic, Molecular & Chemical |
| WOS ID | WOS:000335878400015 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.giec.ac.cn/handle/344007/10728 |
| Collection | 中国科学院广州能源研究所 |
| Affiliation | 1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| First Author Affilication | GuangZhou Institute of Energy Conversion,Chinese Academy of Sciences |
| Recommended Citation GB/T 7714 | Li, Yu-ping,Tu, Jun-ling,Wang, Tie-jun,et al. Production of Light Olefins from Biosyngas by Two-stage Catalytic Conversion Process via Dimethyl Ether[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2014,27(2):227-232. |
| APA | Li, Yu-ping.,Tu, Jun-ling.,Wang, Tie-jun.,Ma, Long-long.,Zhang, Xing-hua.,...&Cai, Chi-liu.(2014).Production of Light Olefins from Biosyngas by Two-stage Catalytic Conversion Process via Dimethyl Ether.CHINESE JOURNAL OF CHEMICAL PHYSICS,27(2),227-232. |
| MLA | Li, Yu-ping,et al."Production of Light Olefins from Biosyngas by Two-stage Catalytic Conversion Process via Dimethyl Ether".CHINESE JOURNAL OF CHEMICAL PHYSICS 27.2(2014):227-232. |
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