Glycerol Ethers Production and Engine Performance with Diesel/Ethers Blend
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- 作者：F. Frusteri (1)
C. Cannilla (1)
G. Bonura (1)
L. Spadaro (1)
A. Mezzapica (1)
C. Beatrice (2)
G. Di Blasio (2)
C. Guido (2) - 关键词：Glycerol ; Oxygenated compounds ; Tert ; butyl glycerol ether ; Hyflon? ; based catalysts ; Diesel engine emissions
- 刊名：Topics in Catalysis
- 出版年：2013
- 出版时间：May 2013
- 年：2013
- 卷：56
- 期：1-8
- 页码：378-383
- 全文大小：326KB
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C. Cannilla (1)
G. Bonura (1)
L. Spadaro (1)
A. Mezzapica (1)
C. Beatrice (2)
G. Di Blasio (2)
C. Guido (2)
1. CNR-ITAE, Istituto di Tecnologie Avanzate per l’Energia “Nicola Giordano- Via S. Lucia 5, 98126, Messina, Italy
2. CNR-IM, Istituto Motori, Via Marconi 8, 80125, Naples, Italy - ISSN：1572-9028
文摘
Spherical silica supported Hyflon? catalysts (SSHC) were developed to produce ethers from glycerol by etherification reaction with isobutene. SSHC allowed to obtain yields to di- and tri-ethers, suitable as additives or components for diesel fuels, higher than that obtained with A-15 commercial catalyst, and a concentration of undesired mono-ether (not soluble in diesel) lower than 3?wt%. The novel catalysts investigated were found stable and easily reusable; their low acid site density prevented the occurrence of oligomerization reaction accounting for di-isobutene formation. Engine tests performed using a blend containing 10?vol% of glycerol ethers mixture confirmed the positive role of additives in reducing emissions of particulates and unburned hydrocarbons with significant improvement of diesel combustion efficiency.