摘要:
The present invention relates to a process for preparing 1-olefins from 1-alkoxyalkanes, in particular to the preparation of 1-octene from 1-alkoxyoctane, by base-catalyzed alcohol cleavage.
摘要:
The present invention relates to a process for preparing 1-olefins from 1-alkoxyalkanes, in particular to the preparation of 1-octene from 1-alkoxyoctane, by base-catalyzed alcohol cleavage.
摘要:
The invention relates to a process for preparing 1-octene from a C4 fraction from a cracker by telomerization of the 1,3-butadiene present in the C4 fraction from a cracker by means of methanol in the presence of a catalyst, hydrogenation of the telomer obtained in this way, dissociation of the hydrogenated telomer and work-up of the resulting dissociation product to give pure 1-octene.
摘要翻译:本发明涉及一种从裂解装置从C 4 S 4馏分中制备1-辛烯的方法,该方法是将C 4 H 4 N分馏中存在的1,3-丁二烯从 在催化剂存在下通过甲醇裂解,以此方式获得的调聚物的氢化,氢化调聚物的解离和所得到的解离产物的后处理,得到纯的1-辛烯。
摘要:
The present invention relates to mixtures of alicyclic polycarboxylic esters with high cis content, to a process for their preparation by ring-hydrogenation of the corresponding aromatic polycarboxylic esters, and also to the use of the mixtures.
摘要:
The invention relates to a process for preparing full esters of alicyclic polycarboxylic acids from partial esters of aromatic polycarboxylic acids by hydrogenation of the partial ester followed by esterification of this compound.
摘要:
The present invention relates to the preparation of 3-methylbut-1-ene from a hydrocarbon stream I comprising isobutene by feeding a hydrocarbon stream II which comprises at least 70% by mass of isobutene in relation to the olefins present in the hydrocarbon stream and which has been obtained from hydrocarbon stream I or is identical to it to a process step for hydroformylation in which isobutene is hydroformylated in the presence of a rhodium catalyst, hydrogenating the aldehyde obtained from the hydroformylation of isobutene to the corresponding alcohol and preparing 3-methylbut-1-ene by water elimination from the alcohol.
摘要:
The invention relates to a process for preparing full esters of alicyclic polycarboxylic acids from partial esters of aromatic polycarboxylic acids by hydrogenation of the partial ester followed by esterification of this compound.
摘要:
The present invention relates to the preparation of 3-methylbut-1-ene from a hydrocarbon stream I comprising isobutene by feeding a hydrocarbon stream II which comprises at least 70% by mass of isobutene in relation to the olefins present in the hydrocarbon stream and which has been obtained from hydrocarbon stream I or is identical to it to a process step for hydroformylation in which isobutene is hydroformylated in the presence of a rhodium catalyst, hydrogenating the aldehyde obtained from the hydroformylation of isobutene to the corresponding alcohol and preparing 3-methylbut-1-ene by water elimination from the alcohol.
摘要:
A catalyst based on titanium oxide, zirconium oxide or combinations thereof for decomposing HCN in gases, which additionally comprises:molybdenum, vanadium, tungsten, manganese, silicon, selenium, tellurium, niobium, tantalum, sulfur, phosphorus in the form of their oxides, hydrated oxides, other compounds, or combinations thereof.
摘要:
A hydrogenation catalyst is used for the catalytic hydrogenation of an ester-containing aldehyde mixture and the catalyst contains a γ-alumina having a BET surface area of from 70 to 350 m2/g as support material, and at least one component having hydrogenation activity and being selected from the group consisting of nickel, cobalt and mixtures thereof.