中文摘要：

以三乙胺为络合剂用完全液相法来制备合成气制乙醇Cu/Zn/Al催化剂。通过用H2-TPR、XRD、BET、XPS和NH3-TPD技术进行表征和利用浆态床反应器进行反应评价,考察了Cu和三乙胺的物质的量比对催化剂的结构及合成乙醇性能的影响。结果表明：在Cu/Zn/Al催化剂中有两种铜物相的存在（Cu、Cu2O）;三乙胺的加入可以提高催化剂中Cu2O的含量,使Cu与Zn、Al物种的相互作用、表面性质和织构发生改变;制备催化剂时三乙胺的添加可以使乙醇的选择性明显提高,经n（Cu）/n（（C2H5）3N）=2/2的三乙胺改性后的Cu/Zn/Al催化剂,CO转化率可达到20.6%,而乙醇选择性可达到7.2%,但随着三乙胺的加入量的增大,乙醇选择性开始逐级下降。

英文摘要：

Cu/Zn/Al catalysts for synthesis of ethanol from syngas were prepared by complete liquid-phase technology using triethylamine as chelating agent. The effects of molar ratios of triethylamine to Cu on the structure and catalytic performance of the catalysts were investigated by using H2-TPR, XRD, BET, XPS and NH3-TPD to characterize the catalysts and using a a slurry-bed reactor to evaluate the activity of catalyts. The results showed that Cu and Cu20 phases were observed in the catalysts. Triethylamine improved the content of Cu2O, and changed the interaction between Cu and Al or Zn species and the surface property and texture of the catalysts. Ethanol selectivity increased with the addition of triethylamine. When the molar ratio of triethylamine to Cu was 2 ： 2, the maxmium ethanol selectivity reached 7.2% and CO conversion reached 20.6%. Then the selectivity decreased with the increase of molar ratio of triethylamine to Cu.