3-hydroxypropionaldehyde hydrogenation catalyst as well as preparation method and application thereof
The invention relates to a catalyst for preparing 1, 3-propylene glycol through hydrogenation of 3-hydroxypropionaldehyde, and the catalyst is composed of a nickel oxide, a ruthenium oxide, a cerium oxide and a carrier. When the catalyst is used in a process for preparing 1, 3-propylene glycol throu...
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| creator | HE CONG LIU YUHONG ZHANG DENGRU HU JIANG SHI SHEJI LIN JIAJIA |
| description | The invention relates to a catalyst for preparing 1, 3-propylene glycol through hydrogenation of 3-hydroxypropionaldehyde, and the catalyst is composed of a nickel oxide, a ruthenium oxide, a cerium oxide and a carrier. When the catalyst is used in a process for preparing 1, 3-propylene glycol through two-stage hydrogenation of 3-hydroxypropionaldehyde, the conversion rate of 3-hydroxypropionaldehyde is greater than or equal to 99.9%, the whole-process yield from acrolein to 1, 3-propylene glycol is greater than or equal to 78%, and the catalyst can hydrogenate part of oligomer in 3-hydroxypropionaldehyde and convert the oligomer into 1, 3-propylene glycol, so that the selectivity of 1, 3-propylene glycol after two-stage hydrogenation is enabled to be greater than or equal to 100%, and the yield of 1, 3-propylene glycol can be obviously improved in an acrolein hydration hydrogenation route.
本发明涉及一种3-羟基丙醛加氢制备1,3-丙二醇的催化剂，该催化剂是由镍氧化物、钌氧化物、铈氧化物与载体组成的。本发明催化剂用于3-羟基丙醛两段加氢制备1,3-丙二醇的工艺中时，3-羟基丙醛转化率≥99.9％，由丙烯醛至1,3-丙二醇的全程 |
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本发明涉及一种3-羟基丙醛加氢制备1,3-丙二醇的催化剂，该催化剂是由镍氧化物、钌氧化物、铈氧化物与载体组成的。本发明催化剂用于3-羟基丙醛两段加氢制备1,3-丙二醇的工艺中时，3-羟基丙醛转化率≥99.9％，由丙烯醛至1,3-丙二醇的全程</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | 3-hydroxypropionaldehyde hydrogenation catalyst as well as preparation method and application thereof |
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