Low-Temperature Steam Reforming of Raw Bio-Ethanol Over Ceria-Zirconia Supported Catalysts

被引：2

作者：

Palma, Vincenzo ^{[1
]}

Ruocco, Concetta ^{[1
]}

Ricca, Antonio ^{[1
]}

机构：

[1] Univ Salerno, DIIn, Via Giovanni Paolo II 132, I-84084 Fisciano, SA, Italy

来源：

PRES2016: 19TH INTERNATIONAL CONFERENCE ON PROCESS INTEGRATION, MODELING AND OPTIMIZATION FOR ENERGY SAVINGS AND POLLUTION REDUCTION | 2016年 / 52卷

关键词：

HYDROGEN-PRODUCTION; BIOETHANOL;

D O I：

10.3303/CET1652033

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Presently, steam reforming of bio-ethanol is considered as a promising route for generation of H-2-rich mixtures with very low environmental concerns. However, the main challenges of such technology are related to catalyst deactivation due to carbon formation. In fact, bioethanol mixtures, besides water and ethanol, may contain several impurities, including higher alcohols, which decrease catalyst resistance towards coking. In the present work, ethanol steam reforming was investigated over bimetallic Pt-Ni based catalysts supported on ceria-zirconia. Preliminary tests were carried out under pure water/ethanol mixture and the impact of temperature (400 - 500 degrees C), space velocity (7,500 - 30,000 h(-1)) and H2O/C2H5OH molar ratio (3 - 9) on carbon formation rate was studied. Further, at chosen operative conditions, a model mixture containing 1 mol% of the main bioethanol impurities (C2H4O, C3H7OH, C4H9OH, C5H11OH) was fed to the reformer and its effect on catalyst stability was studied at 450 degrees C, 15,000 h(-1) and r.a.= 6.

引用

页码：193 / 198

页数：6

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