Abstract:
The present invention relates to a shell catalyst, comprising an active metal selected from the group of ruthenium, rhodium, palladium, platinum, and mixtures thereof, applied to a carrier material comprising silicon dioxide, wherein the pore volume of the carrier material is 0.6 to 1.0 ml/g, determined by Hg porosimetry, the BET surface area is 280 to 500 m 2 /g, and at least 90% of the pores present comprise a diameter from 6 to 12 nm, to a method for producing said shell catalyst, to a method for hydrogenating an organic compound comprising at least one hydrogenatable group using the shell catalyst, and to the use of the shell catalyst for hydrogenating an organic compound.
Abstract translation:本发明涉及包含选自钌,铑,钯,铂及其混合物的活性金属的蛋壳催化剂,其应用于包含二氧化硅的载体材料,其中载体材料的孔体积为0.6至1.0 ml / g,通过Hg孔隙率法测定,BET表面积为280-500m2 / g,至少90%的孔具有6至12nm的直径,与制备该蛋壳催化剂的方法相同 使用蛋壳催化剂氢化含有至少一个可氢化基团的有机化合物的方法,以及使用蛋壳催化剂氢化有机化合物的方法。
Abstract:
The present invention relates to a method for synthesizing cyclohexyl-substituted phosphines. In addition, the invention relates to a method for synthesizing cyclohexyl-substituted phosphine oxides which can be used as intermediate products in the synthesis of cyclohexyl-substituted phosphines of Formula (I), in which R represents a group of Formula (II), or a linear or branched alkyl group with 1 to 8 carbon atoms, which carries the 1, 2, 3, or 4 groups of Formula (III) and which may carry, in addition, 1 to 4 substituents of Formula (IV); X and Y independently represent O or NR8.
Abstract:
The invention relates to a method for producing reactive zinc by means of electrochemical reduction, wherein iron or steel is used as the cathode material.
Abstract:
The present invention relates to a process for regenerating a ruthenium catalyst which is suitable for hydrogenation, which comprises flushing the catalyst with inert gas in a regeneration step until the original activity or part of the original activity is attained. The process is particularly suitable for ruthenium catalysts which are used for the hydrogenation of aromatics.
Abstract:
The invention relates to a method for regenerating a supported hydrogenation catalyst containing ruthenium, wherein the catalyst is treated with steam and subsequently dried. The invention further relates to an integrated method for hydrogenating benzene to form cyclohexane in the presence of a supported catalyst containing ruthenium, comprising the catalyst regeneration steps in addition to the hydrogenation step.
Abstract:
The present invention relates to a process for producing fatty alcohols in which a stream comprising at least one fatty acid triglyceride is provided and this stream is subjected to a hydrogenation process in the presence of a copper-containing, heterogeneous catalyst.
Abstract:
The invention relates to a continuous method for producing para-alkyl substituted cyclohexylmethanols, in particular 4-isopropylcyclohexylmethanol, by catalytic hydrogenation of the corresponding aldehyde or ketone in the presence of hydrogen and in the presence of a catalyst, comprising ruthenium applied to a carrier as an active metal, wherein the carrier comprises AI 2 O 3 and/or SiO 2 and wherein the catalyst is used in the form of a fixed bed catalyst in a hydrogenation reactor or in a plurality of hydrogenation reactors connected consecutively.
Abstract translation:本发明涉及通过在氢气存在下催化氢化相应的醛或酮并且在催化剂存在下,在作为活性金属的催化剂存在下,制备对 - 烷基取代的环己基甲醇,特别是4-异丙基环己基甲醇的连续方法, 钌施加到载体上,载体包含Al 2 O 3和/或SiO 2,催化剂以氢化反应器或串联连接的多个氢化反应器中的固定床催化剂的形式使用。