Selective hydrogenation method for C5 fraction
The invention relates to a C5 fraction selective hydrogenation method, a hydrogenation material comes from crude isoprene of a cracking C5 fraction separation device, the material enters a fixed adiabatic bed or isothermal bed reactor and then is subjected to liquid-phase selective hydrogenation to...
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| creator | TAN DUPING BIAN HU WANG HAIQUAN LU YUXUAN ZHANG LINLIN BAI JIEJUN SUI JUN SHEN LIJUN GUAN DONGYI ZHOU LEI LI PINGZHI |
| description | The invention relates to a C5 fraction selective hydrogenation method, a hydrogenation material comes from crude isoprene of a cracking C5 fraction separation device, the material enters a fixed adiabatic bed or isothermal bed reactor and then is subjected to liquid-phase selective hydrogenation to remove isoprene, and the appropriate hydrogenation process conditions are as follows: the inlet temperature of the reactor is 25-100 DEG C, the reaction pressure is 0.8-2.5 MPa, the liquid volume space velocity is 0.5-2.5 h , and the reaction time is 1-2 hours. The volume ratio of hydrogen to oil is (50-180): 1. A catalyst used in the hydrogenation method at least contains Pd, Mn, Ni and Cu, an adopted carrier is a carrier with bimodal pore size distribution, the pore size of the carrier is 10-25 nm, the pore size of the carrier is 45-350 nm, and Ni and Cu are loaded and distributed in 45-350 nm macropores of the carrier in a microemulsion mode. Mn is loaded by a solution method, and palladium is loaded by a s |
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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 | Selective hydrogenation method for C5 fraction |
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