Design and operation analysis on 100-ton scale direct synthesis of DME from biomass synthesis gas

被引：0

作者：

Wang, Tiejun ^{[1
]}

Lv, Yongxing ^{[1
,3
]}

Wu, Chuangzhi ^{[1
]}

Ma, Longlong ^{[1
]}

Yin, Xiuli ^{[1
]}

Zhang, Xinghua ^{[1
]}

Li, Haibin ^{[1
]}

Cai, Feipeng ^{[2
]}

Sun, Rongfeng ^{[2
]}

Xu, Min ^{[2
]}

Wang, Jianmei ^{[2
]}

机构：

[1] Key Laboratory of Renewable Energy and Gas Hydrate, CAS Guangzhou Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China

[2] Energy Research Institute of Shandong Academy of Science, Jinan 250014, China

[3] Graduate University of the Chinese Academy of Sciences, Beijing 100039, China

来源：

Taiyangneng Xuebao/Acta Energiae Solaris Sinica | 2009年 / 30卷 / 11期

关键词：

Air purification - Biomass - Fuels - Pilot plants;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The characteristics of design and operation of a dimethyl-ether (DME) Pilot plant (100ton/y) was introduced. In the Pilot plant, the low ratio of H2/CO synthesis gas was produced by oxygen-rich gasification of corn core. The DME was produced effectively from biomass synthesis gas on the fix-bed one-step DME synthesis process, and then purified successfully by rectifying. The results showed that CO conversion reached 82.00% and 73.55%, and the selectivity of DME are 73.95% and 69.73%. The space time yields are 124.28 kg/(m3·h) and 203.80 kg/(m3·h) when GHSV are 650 h-1 and 1200 h-1, respectively. Deoxidation and tar removals of biomass syngas are critical to the stable operation of DME synthesis system. The H2/CO ratio of purge gas after once-through synthesis is high. It could be reused after removal of CO2, and the yield of DME would be increased greatly.

引用

页码：1566 / 1570

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