Catalysts for the production of fine chemicals - Production of food emulsifiers, monoglycerides, by glycerolysis of fats with solid base catalysts

被引:246
作者
Corma, A [1 ]
Iborra, S [1 ]
Miquel, S [1 ]
Primo, J [1 ]
机构
[1] Univ Politecn Valencia, CSIC, Inst Tecnol Quim, Valencia 46022, Spain
关键词
D O I
10.1006/jcat.1997.1930
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Glycerolysis of triolein and rapeseed oil were carried out with base catalysts such as Cs-MCM-41, Cs-Sepiolite, MgO, and calcined hydrotalcites with different Al/Al + Mg ratios. A wide range of basicities were covered in order to extract active hydrogens with pKa values from 9 to 16. MgO and hydrotalcites with low Al content, basic enough to extract protons from aliphatic alcohols such as glycerol, are active and selective catalysts for glycerolysis. By optimizing the main process variables, such as temperature and the glycerol/oil ratio it is possible to obtain a high yield of monoglycerides as well as to meet the quality requirements established by the European Union. (C) 1998 Academic Press.
引用
收藏
页码:315 / 321
页数:7
相关论文
共 29 条
  • [1] Babayan V.K., 1964, J SOC COSMET CHEM, V15, P473
  • [2] CHRISTENSEN CV, 1935, Patent No. 2202493
  • [3] BASE CATALYSIS FOR FINE CHEMICALS PRODUCTION - CLAISEN-SCHMIDT CONDENSATION ON ZEOLITES AND HYDROTALCITES FOR THE PRODUCTION OF CHALCONES AND FLAVANONES OF PHARMACEUTICAL INTEREST
    CLIMENT, MJ
    CORMA, A
    IBORRA, S
    PRIMO, J
    [J]. JOURNAL OF CATALYSIS, 1995, 151 (01) : 60 - 66
  • [4] ALKALINE-SUBSTITUTED SEPIOLITES AS A NEW TYPE OF STRONG BASE CATALYST
    CORMA, A
    MARTINARANDA, RM
    [J]. JOURNAL OF CATALYSIS, 1991, 130 (01) : 130 - 137
  • [5] HYDROTALCITES AS BASE CATALYSTS - INFLUENCE OF THE CHEMICAL-COMPOSITION AND SYNTHESIS CONDITIONS ON THE DEHYDROGENATION OF ISOPROPANOL
    CORMA, A
    FORNES, V
    REY, F
    [J]. JOURNAL OF CATALYSIS, 1994, 148 (01) : 205 - 212
  • [6] CORMA A, 1991, MATER RES SOC SYMP P, V233, P17, DOI 10.1557/PROC-233-17
  • [7] ZEOLITES AS BASE CATALYSTS - CONDENSATION OF ALDEHYDES WITH DERIVATIVES OF MALONIC ESTERS
    CORMA, A
    FORNES, V
    MARTINARANDA, RM
    GARCIA, H
    PRIMO, J
    [J]. APPLIED CATALYSIS, 1990, 59 (02): : 237 - 248
  • [8] CORMA A, 1996, Patent No. 9601087
  • [9] CORMA A, 1985, Patent No. 4542002
  • [10] DIRECTED INTERESTERIFICATION IN GLYCERIDES - REACTION IN PRESENCE OF ADDED GLYCEROL
    ECKEY, EW
    FORMO, MW
    [J]. JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, 1949, 26 (05) : 207 - 211