Poisoning of nickel-based catalysts in fat hydrogenation
Poisoning of nickel-based catalysts in fat hydrogenation
复制标题
脂肪加氢镍基催化剂中毒
DOI：
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发表时间：
1993
期刊：
影响因子：
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通讯作者：
J. Edvardsson
中科院分区：
文献类型：
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作者：
S. Irandoust;J. Edvardsson
综述了各种有毒化合物对脂肪氢化反应的影响。植物油和海洋油中都存在含硫化合物，这会造成严重的催化剂失活问题。本文讨论了硫在不同加氢反应中的中毒效应及其对反应物吸附的影响。总结了影响催化剂金属抗硫性的几个因素。还考虑了其他影响脂肪氢化的抑制剂，如磷化合物、游离脂肪酸、钠皂、叶绿素、卤素化合物和脂肪氧化产物。
The influence of various poisoning compounds on the hydrogenation of fat is reviewed. Sulfur-containing compounds, present in both vegetable and marine oils, create serious catalyst deactivation problems. In this paper, the poisoning efffect of sulfur and its role on the reactant adsorption in different hydrogenation reactions are discussed. Several factors affecting the sulfur resistance of the catalyst metal are summarized. Other inhibitors influencing the fat hydrogenation, such as phosphorus compounds, free fatty acids, sodium soaps, chlorophyll, halogen compounds and products of lipid oxidation, are also considered.