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Sulfated zirconia catalyst; its production by melting the precursors and its use for esterification of fatty acids with alcohols.
Sulfated zirconia catalyst; its production by melting the precursors and its use for esterification of fatty acids with alcohols.
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机译:硫酸氧化锆催化剂;通过熔融前体来生产,以及用于脂肪酸与醇的酯化。
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摘要
The present invention pertains to a solid acid catalyst of the formula M1aM2bOx(AO3H)y, wherein M1 and M2 may be the same or different and wherein M1 is selected from one or more of the transition metals, indium, and tin and M2 is selected from one or more of the transition metals, the lanthanide metals, indium, and tin, A is selected from sulphur, phosphorus, and mixtures thereof, a is in the range of 0.01 to 1, b is in the range of 0.01 to 1, x is in the range of 1 to 4, y is in the range of 0.01-1, wherein the catalyst has a total sulphur and/or phosphorus content of 1-10 wt.%, a surface are of 50-200 m2/g, a pore volume of at least 0.2 ml/g, and an average pore diameter of at least 50 Å.;The invention also pertains to a process for manufacturing the catalyst and to its use in esterification processes.
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机译:本发明涉及式M1 a Sub> M2 b Sub> O x Sub>(AO3H)y的固体酸催化剂,其中M1和M2可以是相同或不同,其中M1选自过渡金属,铟和锡中的一种或多种,M2选自过渡金属,镧系金属,铟和锡中的一种或多种,A选自硫,磷及其混合物,a在0.01至1的范围内,b在0.01至1的范围内,x在1至4的范围内,y在0.01-1的范围内,其中催化剂具有总硫和/或磷含量为1-10 wt。%,表面为50-200 m 2 Sup> / g,孔体积至少为0.2 ml / g,平均孔直径至少为50埃。本发明还涉及催化剂的制造方法及其在酯化方法中的用途。
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